Gulbarga University
Year of establishment:1980-81
Gulbarga - 585 106, Karnataka State - India
Department of P.G. Studies and Research in Mathematics

Dr. J.C. Umavathi

Reader

Dept. of PG Studies and Research in Mathematics

Jnana Ganga, Gulbarga University

Gulbarga - 585 106 Karnataka, India

E-mail: drumavathi@rediffmail.com

Tel No.: +91 8472-263296 (O)

+91 8472-263205/06 (Fax)

Residence

Vishwa Plot No.56, Yamuna Nagar

Kusnoor Road

Gulbarga - 585 106 Karnataka, India

Tel No.: +91 8472 249288 (R)

+91 7795541516 (Cell)

Date of Birth: 20-09-1963

Academic Qualifications: M.Sc., Ph.D.

M.Sc.

Gulbarga University Gulbarga, Gulbarga

1986
Ph.D.

Gulbarga University Gulbarga, Gulbarga                                                                                                               Topic: Convection Flows with or without Internal Heat Source.

1992

Areas of Specialization

Fluid Mechanics, Heat and Mass Transfer, Flow through porous media, MHD flows

Teaching Experience
1. Lecturer, Dept. of Mathematics, Gulbarga University, Gulbarga from 05-02-1993 to 04-02-1997.
2. Lecturer (Senior Scale), Dept. of Mathematics, Gulbarga University, Gulbarga from 05-02-1997 to 04-02-2002.
3.

Reader, Dept. of Mathematics, Gulbarga University, Gulbarga from 05-02-2002 to 31-12-2008.

4.

Professor, Dept. of Mathematics, Gulbarga University, Gulbarga from 01-01-2009 to till date.

5.

Chairperson of the Department of Mathematics, Gulbarga University, Kalaburgi since 11th June 2015

Research Guidance

● Doctor of Philosophy

Sl.No.

Name of the student

Title of the Thesis

  Year

1. Abdul Mateen Unsteady convection flow and heat transfer through  channels 2007
2. Manjula M. Hanchinal Multi fluid  flow and heat transfer in a channels 2008
3. Patil Mallikarjun  Basavaraj Convection flow and heat transfer through channels with generation or heat absorption. 2008
4. Mahadev Mallikarjun Biradar Convection heat transfer of immiscible fluid in a  vertical channel 2008
5. K.S.R. Sridhar Heat and mass transfer of two/three layered immiscible fluids through channels 2010
6. D. Shaik Meera Oscillatory flow and heat transfer of Newtonian and non-Newtonian fluids in channel 2010
7. Jaweriya Sultan Mixed convective flow in a vertical channel with heat source/sink 2013
8. Santosh Veershetty Free and forced convective flow in a vertical channel with boundary conditions of the third kind 2013
9. Shekar M The applications of Differential Transform Method to Nonlinear Equations arising in Heat and Mass Transfer 2014

● Master of Philosophy

Sl.No.

Name of the student

Title of the Thesis

  Year

1. Abdul Mateen Fully developed flow and heat transfer in a horizontal channel conducting an electrically conducting fluid sandwiched between two fluid layers 2002
2. Mahadev Biradar Two fluid   Magneto convection in a vertical enclosure 2003
3. Mallikarjun B. Patil Convective Magneto hydrodynamic  flow and heat transfer in a vertical channel 2003
4. Sunitha Sidram Katake Flow  and heat transfer of permeable immiscible fluids between vertical wavy wall and a parallel flat-wall 2007
Research Projects :
Sl.No. Title of the project Funding Agency Duration Amount sanctioned
 1. Free and Forced Convection in Vertical Wavy Channels with Traveling Thermal Waves UGC-MRP 3 years 6,40,800/-
2.

“Heat, Mass transfer and onset of convection in enclosure filled with nanofluid”

UGC-MRP 3 Years 11,25,000/
Reviewer
1. AMES, J. Porous Media, Heat and Mass Transfer , AMSE AMSE, J. Porous Media, Heat Mass Transfer, Applied Mechanics and Modeling, ASME, Nonlinear Analysis and Modeling, Int. J. Engn. Sci., Heat Transfer Asian Research, J. Heat Transfer, Int. J. Heat Mass Transfer. Appl. Math. Modl., Appl. Math. Mach., Meccanica, Int. J. Heat & Fluid Flow, Trans. Porous Media.
Research Publications
1. B. Siddappa, C.H.M. Kottraiah, J.C. Umavathi, “Free convection flow of couple stress fluid past a porous vertical plate”, Proc. Math. Soc., BHU, vol. 4, pp. 23-29, 1988.
2. B. Siddappa, M.S. Malashetty and J.C. Umavathi, “Effect of couple stress and magnetic field on natural convection in a vertical channel”, J. Science & Technology, vol. 1, pp. 44-51, 1988.
3. B. Siddappa, M.S. Malashetty and J.C. Umavathi, “Convection flow of electrically conducting couple stress fluid in a vertical channel with heat source”, J. Science & Technology, vol. 2, pp. 1-9, 1989.
4.

J.C. Umavathi, “Effect of an electromagnetic field on natural convection in a conducting flow between two vertical plates”, Proc. of National Seminar on Recent Developments in Mathematics Dharwad, pp. 61-70, 1993.

5. J.C Umavathi, “A note on magnetoconvection in a vertical enclosure”, Int. J. Non-Linear Mechanics, vol.31, No.3, pp.371-376, 1996.
6. M.S. Malashetty and J.C Umavathi, “Two-Phase magnetohydrodynamic flow and heat transfer in inclined channel”, Int. J. Multiphase Flow, vol.23, No. 3, pp.545-560, 1997.
7. J.C. Umavathi and D. Palaniappan, “Effect of radiation on natural convection in a vertical permeable channel”, A.M.S.E, vol.57.N0 2. pp.35-50.1998.
8. J.C Umavathi and M.S. Malashetty, “Oberbeck convection flow of a couple stress fluid through a vertical porous stratum”, Int. J. Non-Linear Mechanics, vol.34, pp.1037-1045, 1999.  
9. J.C Umavathi, “Free convection flow of electrically conducting couple stress fluid in a vertical channel”, A.M.S.E, vol.68.N0 1. pp.1-24.1999.
10. J.C. Umavathi and D. Palaniappan, “Oscillatory flow unsteady oberbeck convection fluid in an infinite vertical porous stratum”, A.M.S.E, vol.69.N0 2. pp.35-60.2000.
11. J.C. Umavathi, “Free convection floe of couple stress fluid radiating medium in a vertical channel”, A.M.S.E, vol.69.N0 8. pp.1-20.2000.
12. M.S. Malashetty, J.C. Umavathi, and J. Prathap Kumar “Convective flow and heat transfer in an inclined composite porous medium”, Journal of Porous Media, vol.4, No.1, pp 15-22. 2001.
13. M.S. Malashetty, J.C. Umavathi, and J. Prathap Kumar “Convective magnetohydrodynamic two fluid flow and heat transfer in an inclined channel”, Heat and Mass Transfer, vol.37, pp. 259-264. 2001.
14. M.S. Malashetty, J.C. Umavathi, and V. Leela., “Magnetoconvective   flow and heat transfer between vertical wavy wall and a parallel flat wall”, Int. J. Applied Mechanics and Engng, vol. 6, No.2, pp.437-456, 2001.
15. M.S. Malashetty, J.C. Umavathi, and J. Prathap Kumar, “Two-fluid magnetoconvection flow in an inclined channel”, Int. J.Trans. Phenomena, vol.3, pp. 73-84, 2001.
16. J.C. Umavathi, “Free convective flow of couple stress fluid between vertical parallel plates in the presence of internal heat source”, A.M.S.E, vol. 71, No.1, pp. 9-21, 2002
17. M.S. Malashetty, J.C. Umavathi, and J. Prathap Kumar “Two fluid flow and heat transfer in an inclined channel containing porous and fluid layer”, Heat and Mass Transfer, vol.40(11), pp. 871-876, 2004.
18. J.C. Umavathi, M.S. Malashetty and A. Mateen, “Fully developed flow and heat transfer in a horizontal channel containing an electrically conducting fluid sandwiched between two fluid layers”, Int. J. Applied Mechanics and Eng., vol.9, No. 4 , pp. 781-794, 2004
19. J.C. Umavathi and M.H. Manjula, “Magnetoconvection of two fluid flow in a vertical channel”, Proceedings of Advances in Fluid Mechanics, pp. 118-126, 2004
20. J.C. Umavathi and Abdul Mateen, “Unsteady two fluid flow and heat transfer in a horizontal channel”, Proceedings of Advances in Fluid Mechanics, pp. 139-147, 2004.
21. J.C. Umavathi and M.H. Manjula, “Radiative heat transfer of two fluid flow in a vertical porous channel”, Proceedings of International Symposium on Advances in Fluid Mechanics, pp. 215-224, 2004.
22. J.C. Umavathi, A. J. Chamkha, A. Al-Mudhaf and M. H. Manjula, “Convective flow of two immiscible viscous and couple stress fluids through a vertical channel”, Proceedings of International Mechanical Engineering Conference, pp. 353-381, 2004.
23. J.C. Umavathi, M. S. Malashetty, A. J. Chamkha, and A. Al-Mudhaf, “Free convection flow of a couple stress fluid in a vertical channel”, Proceedings of International Mechanical Engineering Conference, pp. 42-55, 2004.
24. J.C. Umavathi, A. J. Chamkha and Abdul Mateen, “Oscillatory flow and heat transfer in two immiscible fluids”, Int. J. of Fluid Mechanics Research, vol.31, pp. 101-123, 2004.
25. J.C. Umavathi and M.S. Malashetty, “Magnetohydrodynamic mixed convection in a vertical channel”, Int. J. Non-linear Mechanics, vol. 40(1), pp. 91-101, 2005.
26. J.C.Umavathi J. Prathap Kumar and  Mallikarjun Biradar, “Two fluid magnetoconvection in a vertical enclosure”, Modelling, Measurement and control  B, vol.74(3-4), pp 1-18, 2005.
27. Umavathi, J. C. Abdul Mateen and Chamkha, A. J., “Unsteady two fluid flow and heat transfer in a horizontal channel”. Heat and Mass Transfer, vol. 42, pp. 81-90, 2005.
28. J.C. Umavathi and M.H. Manjula, “Flow and heat transfer of a couple stress fluid sandwiched between viscous fluid layers”,Can. J. Phys., vol. 83, pp. 705-720, 2005.
29. J.C. Umavathi, Ali. J. Chamkha, M. H. Manjula and Ali. Al-Mudhaf, “Magneto-convection of a two-fluid flow through a vertical channel”, Heat and Technology, vol.23, n.2, pp. 151-163, 2005.
30. J.C.Umavathi, J. Prathap Kumar, A.J. Chamkha and I. Pop, “Mixed convection in a vertical porous channel”, Transport in Porous Media, vol. 61(3), pp.315-335, 2005.
31. M.S. Malashetty, J.C.Umavathi and J. Prathap Kumar, “Flow of heat transfer in an inclined channel containing a porous layer sandwiched between two fluid layer”, Modelling, Measurement and control B, vol.74(5-6), pp 19-35. 2005  
32. M.S. Malashetty, J.C. Umavathi and J. Prathap Kumar, “Flow of in an inclined channel containing fluid layer sandwiched between two porous layer” ,J. Porous Media vol.8(5), pp 443-453,2005
33. J.C. Umavathi, Mallikarjun B Patil and I. Pop, “On laminar mixed convection flow in a vertical porous stratum with symmetric wall heating conditions”, Int. J. Trans. Phenom., vol. 8, pp. 127-140, 2006.
34. J.C. Umavathi and M.H. Manjula, “Convective two-fluid flow through a vertical channel”, AMSE Modelling Measurement and Control B, vol. 75, No. 3, pp. 1-18, 2006.
35. M.S. Malashetty, J.C. Umavathi and J.Prathap Kumar, “Magnetoconvection of Two-immiscible fluids in a vertical enclosure” Heat and Mass Transfer, vol.42(11), pp-977-993, 2006
36. J.C. Umavathi, Abdul Mateen, Ali. J.Chamkha, and Ali. Al-Mudhaf, “Oscillatory Hartmann two-fluid flow and heat transfer in a horizontal channel”, Int. J. of Applied Mechanics and Engineering, vol.11, no.1. pp.155-178, 2006
37. J.C. Umavathi and Ioan Pop, “On micropolar fluid model for blood flow through horizontal channel”, Proc. Int. Conference on Frontiers in Fluid Mechanics, Bangalore, pp. 598-612, 2006.
38. J.C. Umavathi, A.J. Chamkha, Abdul Mateen and A. Al-Mudhaf, “Oscillatory flow and heat transfer in a horizontal composite porous medium channel”, Int. J. Heat and Technology, vol. 25, No. 2, pp. 75-86, 2006.
39. J.C. Umavathi, M. H. Manjula, I.C. Liu, and I. Pop, “Flow and heat transfer of couple stress and viscous fluid in a vertical channel”, Int. J. of Applied Mechanics and Engineering, vol. 12, no.2. pp. 537-555, 2007.
40. J.C. Umavathi, A. J. Chamkha, M. H. Manjula and A. Al-Mudhaf, “Radiative heat transfer of a two-fluid flow in a vertical porous stratum.” Int. J. Fluid Mechanics Research, vol. 35, pp. 510-543, 2008.
41. J.C. Umavathi, A.J. Chamkha, Abdul Mateen, and J. Prathap Kumar, “Unsteady magnetohydroynamic two fluid flow and heat transfer in a horizontal channel.” Int. J. Heat and Technology, vol. 26, No. 2, pp. 121-133, 2008.
42. J.C. Umavathi, J. Prathap Kumar, A.J. Chamkha, “Flow and heat transfer of a micropolar fluid sandwiched between viscous fluid layers”, Canadian J. Physics, vol. 86, pp. 961-973, 2008.
43. J.C. Umavathi, D. Shaik Meera, and I.C. Liu, “Unsteady flow and heat transfer of three immiscible fluids”, Int. J. Appl. Mech. Engg., vol. 13, pp. 1079-1100, 2008.
44. J.C. Umavathi, J. Prathap Kumar, A.J. Chamkha, I. Pop, “Mixed convection in a vertical porous channel”, ERRATUM, Trans. Porous Media, vol. 75, pp. 129-132, 2008.
45. J. Prathap Kumar, J.C. Umavathi, I. Pop, Basavaraj B Biradar, “Fully developed mixed convection flow in a vertical channel containing porous and fluid layers with isothermal or isoflux boundaries” Trans. Porous Media, vol. 80, pp. 117-135, 2009.
46. J.C. Umavathi and K.S.R. Sridhar, “Hartmann two fluid Poisuille-Couette flow in an inclined channel”, Int. J. Appl. Mech. Engg., vol. 14, pp. 539-557, 2009.
47. J.C. Umavathi, A.J. Chamkha, A. Mateen, A. Al-Mudhaf, “Unsteady oscillatory flow and heat transfer in a horizontal composite porous medium channel”, Nonlinear Analysis: Modelling and Control, vol. 14, pp. 397–415, 2009.
48. J.C. Umavathi, J. Prathap Kumar, Ali. J. Chamkha, “Convective flow of two immiscible viscous and couple stress permeable fluids through a vertical channel”, Turkish J. Eng. Env. Sci., vol. 33, pp. 221-243, 2009.
49. J. Prathap Kumar, J.C. Umavathi, A.J. Chamkha and I. Pop, “Fully developed free convective flow of micropolar and viscous fluids in a vertical channel” Appl. Mathematical Modelling., vol. 34, pp. 1175-1186, 2010.
50. J. Prathap Kumar, J.C. Umavathi and Basavaraj M Biradar, “Mixed convection of composite porous medium in a vertical channel with asymmetric wall heating conditions”, J. Porous Media, vol. 13, No. 3, pp. 271-285, 2010.
51. J.C. Umavathi, J. Prathap Kumar and K.S.R. Sridhar, “Flow and heat transfer of Pouiseiulle-Couette flow in inclined channel for composite porous media” Int. J. Appl. Mech. Engg., vol. 15, No. 1, pp. 249-266, 2010.
52. J.C. Umavathi, Ali. J. Chamkha and K.S.R. Sridhar, “Generalised plain Couette flow heat transfer in a composite channel” Trans Porous Media, vol. 85, pp. 157-169, 2010.
53. J.C. Umavathi, I.C. Liu, J. Prathap Kumar, I. Pop, “Fully developed magneto convection flow in a vertical rectangular duct”, Heat Mass Transfer, vol. 47, pp. 1–11, 2011.
54. J.C. Umavathi, I.C. Liu, J. Prathap Kumar, “Magnetohydrodynamic Poseuille-Coutte flow and heat transfer in an inclined channel”, J. Mechanics, vol. 26, No. 4, pp. 525-532, 2010.
55. J.C. Umavathi, I.C. Liu, J. Prathap-Kumar, D. Shaik-Meera, “Unsteady flow and heat transfer of porous media sandwiched between viscous fluids”, Appl. Math, Mech., vol. 31, pp. 1497-1516, 2010.
56. J. Prathap Kumar, J.C. Umavathi, Ali J. Chamkha and Ashok Basawaraj, “Exact solutions of unsteady solute dispersion of magnetohydrodynamic and viscous fluids between two parallel plates”, Int. J. Energy & Technology, vol. 2, No. 17, pp. 1-8, 2010.
57. J.C. Umavathi, J. Prathap-Kumar and M. Shekar, “Mixed convective flow of immiscible viscous fluids confined between a long vertical wavy wall and a parallel flat wall”, Int. J. Eng. Sci. Tech., vol. 2, No. 6, pp. 256-277, 2010.
58. J. Prathap Kumar, J.C. Umavathi and Basavaraj M Biradar, “Mixed convection of magneto hydrodynamic and viscous fluid in a vertical channel”, Int. J. Non-Linear Mech., vol. 46, pp. 278-285, 2011.
59. J. Prathap Kumar, J.C. Umavathi and Basavaraj M Biradar, “Mixed convective flow of immiscible viscous fluids in a vertical channel”, Heat transfer Asian Research vol. 40, No. 1, pp. 1-25, 2011.
60. J. Prathap Kumar, J.C. Umavathi, Ali J. Chamkha and H. Prema, “Free convection in a vertical double passage wavy channel filled with a Walters fluid (model B’)” Int. J. Energy & Technology, vol. 3, No. 2, 1–13, 2011.
61. J. Prathap Kumar, J.C. Umavathi, and H. Prema, “Free convection of Walter’s fluid flow in a vertical double-passage wavy channel with heat source” Int. J. Eng. Sci. Techno., vol. 3, No. 1, pp. 136-165, 2011.
62. J.C. Umavathi, “Free convection of composite porous medium in a vertical channel”, Heat Transfer Asian Research, vol. 40, No. 4, pp. 308-329, 2011.
63. J.C. Umavathi and J. Prathap Kumar, “Mixed convection flow of micropolar fluid in a vertical channel with symmetric and asymmetric wall heating conditions” Int. J. Appl. Mech. Eng., vol. 16, No.1, pp. 141-159, 2011.
64. J.C. Umavathi and Jaweriya Sultana, “Mixed convection of a micropolar fluid in a vertical channel with boundary conditions of third kind” Int. J. Eng. Sci. Techno., vol. 3, No. 4, pp. 213-224, 2011.
65. J.P. Kumar, J.C. Umavathi and A. Basavaraj, “Use of Taylor dispersion of a solute for immiscible viscous fluids between two plates”, Int. J. Appl. Mech. Eng., vol. 16 No. 2, pp. 399-410, 2011.
66. J.C. Umavathi, and Ali J. Chamkha, “Fully developed mixed convection in a vertical channel in the presence of heat source or heat sink”, Int. J. Energy & Technology, vol. 3 No. 24. pp. 1-9, 2011.
67. J. Prathap Kumar, J.C. Umavathi and Shivakumar Madhavarao, “Dispersion in composite porous medium with homogeneous and heterogeneous chemical reactions”, Heat Transfer Asian Research, vol. 40 No. 7, pp. 608-640, 2011.
68. J.C. Umavathi and Jaweriya Sultana, “Mixed convection flow of conducting fluid in a vertical channel with boundary conditions of third kind in the presence of heat source/sink”, Int. J. Energy & Technology, vol. 3 No. 33. pp. 1-10, 2011.
69. J.C. Umavathi and M. Shekar, “Mixed convection flow and heat transfer in a vertical wavy channel containing porous and fluid layer with traveling thermal waves”, Int. J. Eng. Sci. Techno., vol. 3, No. 6, pp. 196-219, 2011.
70. J.C. Umavathi and M. Shekar, “Mixed convective flow of two immiscible viscous fluids in a vertical wavy channel with traveling thermal waves”, Heat Transfer Asian Research, vol. 40(8), pp. 721-743, 2011.
71. J.C. Umavathi, “Mixed convection of micropolar fluid in a vertical double-passage channel”, Int. J. Eng. Sci. Techno., vol. 3, No. 8, pp. 197-209, 2011.
72. I-C. Liu, J.C. Umavathi, H.-H. Wang, “Poiseuille-Couette flow and heat transfer in an inclined composite porous medium”, J. Mech., vol. 28, No. 1, pp. 559-566, 2012.
73. J.C. Umavathi, A. J. Chamkha and Santosh Veershetty, “Fully developed mixed convection of a micropolar fluid in a vertical channel with boundary conditions of the third kind”, Int. J. Energy & Technology, vol. 4(3) pp. 1-9, 2012.
74. J. Prathap Kumar, J.C. Umavathi and Shivakumar Madhavarao, “Effect of homogeneous and heterogeneous reactions on the solute dispersion in composite porous medium”, Int. J. Eng. Sci. Techno., vol. 4, No. 2, pp. 58-76, 2012.
75. J. Prathap Kumar and J.C. Umavathi, “Dispersion of a solute in magnetohydrodynamic two fluid flow with homogeneous and heterogeneous chemical reactions”, Int. J. Math. Archive, vol. 3(5), pp. 1920-1939, 2012.
76. J.C. Umavathi, “Flow and heat Transfer of couple-stress permeable fluid sandwiched between viscous fluid layers”, Heat Transfer Asian Research, vol. 41 (5), pp. 444-458, 2012.
77. J.C. Umavathi, I.C. Liu, and M. Shekar, “Unsteady mixed convective heat transfer of two immiscible fluids confined between a long vertical wavy wall and a parallel flat wall”, Appl. Math. Mech.-Engl. Ed., vol. 33(7), pp. 931–950, 2012.
78. J.C. Umavathi, J. Prathap Kumar and Jaweriya Sultana, “Mixed convection flow in a vertical channel with boundary conditions of the third kind in the presence of heat source/sink”, Appl. Math. Mech.-Engl. Ed., Vol. 33(8), pp. 1015–1034, 2012.
79. J. Prathap Kumar, J.C. Umavathi, and Basavaraj M. Biradar, “Two-fluid mixed magnetoconvection flow in a vertical enclosure”, J. Applied Fluid Mechanics, vol. 5, No. 3, pp. 11-21, 2012.
80. J.C. Umavathi, J. Prathap Kumar and M. Shekar, “Convective flow between a corrugated and a smooth wall” J. Porous Media, vol. 15(10), pp. 975-988, 2012.
81. J.C. Umavathi and Santosh Veershetty, “Non-Darcy mixed convection in a vertical porous channel with boundary conditions of third kind”, Trans. Porous Media, vol. 95, 111-131, 2012.
82. J.C. Umavathi and Santosh Veershetty, “Mixed convection of a permeable fluid in a vertical channel with boundary conditions of third kind”, Heat Transfer—Asian Research, 41 (6), 516-535, 2012.
83. J.C. Umavathi, K.V. Prasad, M. Shekar, “Convective heat transfer in a vertical channel filled with a nanofluid”, Int. J. Inno. Tech. Creat. Eng., vol. 2(7), pp. 1-10, 2012.
84. J.C. Umavathi, “Convective flow and heat transfer between wavy wall and a parallel flat wall divided by a perfectly conductive baffle”, Int. J. Math. Archive, vol. 3(7), pp. 2495-2515, 2012.
85. J.C. Umavathi, J. Prathap Kumar and Jaweriya Sultana, “Mixed convection flow in a vertical porous channel with boundary conditions of third kind with heat source/sink”, J. Porous Media, vol. 15 (11), pp. 998-1007, 2012.
86. J. Prathap Kumar, J.C. Umavathi, Ali J. Chamkha and Ashok Basawaraj, “Solute dispersion between two parallel plates containing porous and fluid layers” J. Porous Media, vol. 15 (11), pp. 1031-1047, 2012.
87. J.C. Umavathi and Jaweriya Sultana, “Mixed convective flow of micropolar fluid mixture in a vertical channel with boundary conditions of third kind” J. Eng. Phys & Thermo Phys., vol. 85 (4), pp. 895-908, 2012.
88. J.P. Kumar, J.C. Umavathi and A. Basavaraj, “Effects of homogeneous and heterogeneous reactions on the dispersion of a solute for immiscible viscous fluids between two plates”, J. Applied Fluid Mechanics, vol. 5, No. 4, pp. 13-22, 2012.
89. J.C. Umavathi and Jaweriya Sultana, “Mixed convection flow of a micropolar fluid with concentration in a vertical channel in the presence of heat source or sink,” Int. J. Math. Archive, vol. 3(10), pp. 3556-3569, 2012.
90. J.C. Umavathi, “Analysis of flow and heat transfer in a vertical rectangular duct using a non-Darcy model”, Trans. Porous Media, vol. 96, pp. 527–545, 2013.
91. J.C. Umavathi, “Effect of thermal modulation on the onset of convection in a porous medium layer saturated by a nanofluids,” Trans. Porous Media, vol., 98, pp. 59–79 2013.
92. J.C. Umavathi, A.S.V. Ravi Kanth and M. Shekar, Comparison study of differential transform method with finite difference method for magnetoconvection in a vertical channel, Heat Transfer Asian Research, vol. 42 (3), pp. 243–258, 2013.
93. J.C. Umavathi, A.S.V. Ravi Kanth and Shekar M, “Mixed convective flow in a vertical channel filled with porous medium using differential transform method,” Int. J. Math. Arch., vol. 4(3), pp. 291-299, 2013.
94. J.C. Umavathi and Jaweriya Sultana, “Mixed convection flow in a vertical channel filled with porous medium with boundary conditions of third kind with heat source/sink-brinkman model,” Int. J. Math. Archive, vol. 4(1), pp. 294-314, 2013.
95. J.C. Umavathi, “Heat transfer enhancement for free convection flow of nanofluids in a vertical rectangular duct using Darcy-Forchhiemer–Brinkman model”, ICAPM Conference Proceeding, pp. 129-139, 2013.
96. J.C. Umavathi and Ali J. Chamkha, “Steady natural convection flow in a vertical rectangular duct with isothermal wall boundary conditions”, Int. J. Energy & Technology, vol. 5(20), pp. 1–10, 2013.
97. I-C. Liu, H.-H. Wang, J.C. Umavathi, “Effect of viscous dissipation, internal heat source/sink, and thermal radiation on a hydromagnetic liquid film over an unsteady stretching sheet”, ASME J. Heat Transfer, vol. 135, pp. 031701-1-- 031701-6, 2013.
98. I-C. Liu, J.C. Umavathi, “Double diffusive convection of a micropolar fluid saturated in a sparsely packed porous medium”, Heat Transfer—Asian Research, vol. 42(6), pp. 515-529, 2013.
99. J. Prathap Kumar, J.C. Umavathi, and Jagtap Sharadkumar, “Effect of first order chemical reaction in a vertical double-passage channel”, Int. J. Eng. Res. Appl., vol. 3(5), pp. 967-977, 2013.
100. J.C. Umavathi and M. Shekar, “Unsteady mixed convective flow and heat transfer in a vertical corrugated channel with composite porous media”, J. Engphys. Thermophys., vol. 86(4), pp. 706-716, 2013.
101. J.C. Umavathi “Effect of modulation on the onset of thermal convection in a viscoelastic fluid-saturated nanofluid porous layer”, Int. J. Eng. Res. Appl., vol. 3(5), pp. 923-942, 2013.
102. J.C. Umavathi, B. Patil Mallikarjun, and S. Narasimha Murthy, “On laminar magnetoconvection flow in a vertical channel in the presence of heat generation and heat absorption”, ASME J. Heat Transfer, vol. 135(4), 042503, 2013.
103. J.C. Umavathi and M. Shekar, “Effect of MHD on Jeffery-Hamel flow in nanofluids by Differential Transform method”, Int. J. Eng. Res. Appl., vol. 3(5), pp.953-962, 2013.
104. J. Prathap Kumar and J.C. Umavathi, “Perturbation technique and differential transform method for mixed convection flow on heat and mass transfer with chemical reaction”, Int. J. Compu. Engng. Res., vol. 3(10), pp. 26-44, 2013.
105. J. Prathap Kumar, J.C. Umavathi and Jagtap Shardkumar, “Heat and mass transfer for a chemically reacting permeable fluid in a vertical double passage channel”, Int. J. Engng. Res. Technology, vol. 2(10), pp. 1117-1143, 2013.
106. J.C. Umavathi and I.C. Liu, Magnetoconvection in a vertical channel with heat source or sink, Meccanica, vol. 48, pp. 2221–2232, 2013.
107. J. Prathap Kumar and J.C. Umavathi, “Effect of electro-magnetic field on free convective heat transfer in a vertical wavy channel divided by a perfectly conductive baffle”, Open Journal of Heat, Mass and Momentum Transfer, vol. 1(2), pp. 47-73, 2013.
108. J. Prathap Kumar, J.C. Umavathi, and Ali J. Chamkha, “Steady solute dispersion in composite porous medium between two parallel plates”, J. Porous Medium, vol. 16(12), pp. 1087-1105, 2013.
109. J. Prathap Kumar and J.C. Umavathi, “Dispersion of a solute in Hartmann two-fluid flow between two parallel plates”, Applications and Applied Mathematics: An International Journal, vol. 8(2), pp. 436-464, 2013.
110. J.C. Umavathi, “Effect of time-periodic boundary temperature on the onset of nanofluid convection in a layer of a saturated porous medium”, International Journal of Physical Science and Engineering, vol. 7(1), pp. 1430-1435, 2013.
111. J.C. Umavathi and M. Shekar, “Mixed convective flow of immiscible fluids in a vertical corrugated channel with traveling thermal waves”, J. King Saud University-Engineering Sciences, vol. 26, pp. 49-68, 2014.
112. J. Prathap Kumar, J.C. Umavathi and Deena Sunil Sharanappa, “Effect of first order chemical reaction on free convection in a vertical double passage channel for conducting fluid”, Int. J. Comp. Eng. Res., vol. 4(4), pp. 1-15, 2014.
113. J. Prathap Kumar, J.C. Umavathi and Deena Sunil Sharanappa, “Effect of first order chemical reaction in a vertical double passage channel”, Int. J. Math. Arch., vol. 5(3), pp. 168-182, 2014.
114. J. Prathap Kumar, J.C. Umavathi and Shreedevi Kalyan, “Chemical reaction effects on mixed convection of two immiscible fluids in a vertical channel”, Open J. Heat Mass & Momen. Transf., vol. 2(2), pp. 28-46, 2014.
115. J.C. Umavathi and Monica B Mohite, “The onset of convection in a nanofluid saturated porous layer using Darcy model with cross diffusion”, Meccanica, vol. 49, pp. 1159–1175, 2014.
116. J.C. Umavathi, Ali J. Chamkha and Shekar M, “Flow and heat transfer of a micropolar fluids separated by viscous fluid layer”, Int. J. Microscale Nanoscale Thermal Fluid Trans. Phenom., vol. 5(1), pp.  23-49,  2014.
117. J.C. Umavathi, I.C. Liu and Ali J. Chamkha, “Mixed convection flow in a vertical channel filled with a fluid-saturated porous medium divided by a perfectly conductive baffle” Int. J. Microscale and nanoscale, vol. 5, pp. 127-147, 2014.
118. J. Prathap Kumar, J.C. Umavathi and Rama Rao Y., “Free and forced convective flow in a vertical channel filled with composite porous medium using Robin boundary conditions”, American J. of Appl. Math., vol. 2, pp. 96-110, 2014.
119. J. Prathap Kumar, J.C. Umavathi, Y. Rama Rao, “Magneto-convection of immiscible fluids in a vertical channel using Robin boundary conditions”, Int. J. Engng. Res and Applications, vol. 4, pp. 114-138, 2014.
120. J.C. Umavathi, “Free convective flow in a vertical rectangular duct filled with porous matrix for viscosity and conductivity variable properties”, Int. J. Heat and Transfer, vol. 81, 383-403, 2015.
121. J.C. Umavathi and Monica B Mohite, “Double diffusive convective transport in a nanofluid-saturated porous layer with cross diffusion and variation of viscosity and conductivity”,  Heat Transfer Asian Research, vol. 43, no. 7, 628-652, 2014.
122.  J Prathap Kumar, J. C. Umavathi and Jagtap Sharadkumar, “Effect of first order   chemical reaction in a vertical double passage channel filled with porous matrix”, Int. J. Mathematical Archieve, vol. 5(12), 94-116, 2014.
123. J.C. Umavathi, J. Prathap Kumar and H. Prema, “Free convection of viscoelastic walters fluid-saturated porous medium in a vertical channel” J. Porous Media, vol. 17, 483-502, 2014.
124. J.C. Umavathi and Shekar M, “Flow and heat transfer in a porous medium saturated by a micropolar fluid between parallel permeable discks” J. Porous Medium, vol. 17, 669-684, 2014.
125. J.C. Umavathi and Ali J Chamkha, “Mixed Convection Flow of an Electrically-     Conducting Fluid in a Vertical Channel with Boundary Conditions of the Third Kind” Canadian Journal of Physics, vol. 92, 1387–1396, 2014.
126. J.C. Umavathi1, Dhananjay Yadav and Monica B Mohite, “Linear and nonlinear stability analyses of double-diffusive convection in a porous medium layer saturated in a Maxwell nanofluid with variable viscosity and conductivity”, Elixir Mech. Engg., vol. 79, 30407-30426, 2015.
127. J.C. Umavathi and Ojjelu Odelu, “Effect of variable viscosity on free convection in a        vertical rectangular duct”  Int. J. Heat and Mass Transfer, vol. 84, 1-15, 2015.
128. J.C. Umavathi and Shekar M, “Unsteady mixed convective flow confined between vertical wavy wall and parallel flat wall filled with porous and fluid layer”,   Heat Transfer Engineering, vol. 36(1), 1-20, 2015.
129. J.C. Umavathi and J. Prathap Kumar, “Free convective flow in an open-ended vertical porous wavy channel with a perfectly conductive thin baffle”, Heat Transfer-Asian Research, vol 44, 227-256, 2015.
130. J.C. Umavathi “Rayleigh-Benard convection subject to time dependent wall    temperature in a Porous Medium Layer Saturated by a Nanofluid”  Meccanica ,  vol. 50, 981-994, 2015.
131. J.C. Umavathi and Monica B Mohite, “Convective transport in a porous medium layer saturated with a Maxwell Nanofluid”, J. King Saud University, Engngn. Sciences

DOI: 10.1016/jksues.2014.01.002

132. J.C. Umavathi, Ali J Chamkha and Monica B Mohite, “Convective transport in a   nanofluid-saturated porous layer with cross diffusion and variation of viscosity and conductivity”,  Special Topics and Reviews in Porous Medium, vol. 6, 1-17, 2015.
133. J.C. Umavathi, Combined effect of variable viscosity and variable thermal conductivity on double diffusive convection flow of a permeable fluid in a vertical channel, TIPM, vol 108, 659-678, 2015.
134. J.C. Umavathi, J.Prathap Kumar and Jagtap Sharadkumar, Effect of First Order Chemical Reaction in a Vertical Double Passage Channel Filled with Micropolar Fluid, Int. Journal of Innovative Research in Advanced Engineering, Vol. 2(4), pp. 132-143 (2015).
135. J.C. Umavathi, J.Prathap Kumar and Jagtap Sharadkumar, Natural Convection Heat and Mass Transfer of a Chemically Reacting Micropolar Fluid in a Vertical Double Passage Channel, Int. Journal of Science and Research, Vol. 4(5), pp. 653-659 (2015).
136. J.C. Umavathi, J.Prathap Kumar and Shreedevi Kalyan, Free Convective Flow of Immiscible Permeable Fluids in a Vertical Channel with First Order Chemical Reaction, Int. Research Journal of Engineering and Technology, Vol. 2(2), pp. 861-873 (2015).
137. J.C. Umavathi, J.Prathap Kumar and Y.Ramarao, Mixed Convective Flow in a Vertical Channel Filled with Porous and Fluid Layer using Boundary Conditions of Third Kind, Elixir. Applied Mathematics, 83, pp.32834-32845 (2015).
138. J.C. Umavathi, I.C. Liu and M.A.  Sheremet Convective heat transfer in a vertical rectangular duct filled with a nanofluid, HTAR , DOI:10.1002/htj.21182.
139. J.C. Umavathi and M. Shekar, Combined effect of variable viscosity and thermal conductivity on free convection flow of a viscous fluid in a vertical channel using DTM, Meccanica DOI 10.1007/s11012-015-0202-4.
Membership of Professional Organizations
1. Life Member of ISTAM
Presentation in National & International Seminars/Conferences/ Workshops
1. Participated and Presented a paper entitled “Convection flow of electrically conducting couple stress fluid in a vertical channel”, Presented in International Conference on Non-linear Analysis, held at Gulbarga University, during 29th Aug. to 1st Sept., 1992.
2.

Participated and Presented a paper entitled “Effect of an electromagnetic field on natural convection in a conducting fluid flow between two vertical plates”, Presented in National Seminar on Recent Developments in Mathematics held at Dharwad University, during 16-18 December, 1993.

3. Participated and Presented a paper entitled “Oscillatory flow of unsteady oberbeck convection in an infinite vertical porous layer” at the Workshop on “Wavelets” held at P.G. Centre of Dharwad University, Belguam, during 22nd to 26th March, 1999
4. Participated and Presented a paper entitled “Mathematical Modeling on environmental pollution and material science”, in the UGC Zonal Workshop for Southern region, held at UGC-DSA Center in Fluid Mechanics, Department of Mathematics, Bangalore University, Bangalore. during 17-20 May, 1999
5. Participated and Presented a paper entitled “Frontiers In Biomechanics supplemented with Yoga Concepts”, in the International Instructional Conference, Organized by UGC-DSA Center in Fluid Mechanics, Dept. of Mathematics, Bangalore University, Bangalore, during 12-16 December, 1999.
6. Participated and Presented a paper entitled “Convective flow and heat transfer for a Porous matrix confined between long vertical wavy wall and a parallel flat wall”, presented in National Seminar on “Recent Advances in Fluid Mechanics” During Gulbarga University Gulbarga 11-12 September, 2002.
7. Participated and Presented a paper entitled “Magnetoconvection mixed convection in a vertical channel” presented in the National Seminar on Computer Oriented Numerical Analysis and Applications, Department of Mathematics, Sri Krishnadevaraya University, Anantapur, During 28th Aug, 2003.
8. Participated and Presented a paper entitled “Mixed convection in a vertical permeable channel”, presented in International Symposium on Advances in Fluid Mechanics, Bangalore University, Bangalore during 21-22 June, 2004.
9. Participated and Presented a paper entitled “Convective flow of two immiscible viscous and couple stress fluids through a vertical channel”, presented in International Mechanical Engineering Conference, Kuwait, During 5-8 December, 2004.
10. Participated and Presented a paper entitled “On micropolar fluid model for blood flow though horizontal channel”, delivered an invited talk in the International Conference held in Bangalore University, Bangalore.
11. Participated and Presentation a research paper in the Fifty Second Congress of Indian Society of Theoretical and Applied Mechanics on “Flow and heat transfer of permeable immiscible fluids between vertical wavy and parallel flat wall” held in the B.N.M Institute of technology, Bangalore from Dec. 14-17, 2007.
12 Participated and Presenting a paper on “Applications of Non-Newtonian Fluids in Industry and Engineering” at the Department of Civil Engineering, National Chi Nan University, Taiwan, on 26th Sept.2008.
13 Participated and Presenting a paper on “Non - Darcian effects for buoyancy driven flow and heat transfer in a vertical rectangular duct” in the International Conference on Fluid Dynamics & its Applications to be held at B N M Institute of Technology, on July 20 – 22, 2011.
14 Participated and Presented a paper on “Effect of thermal modulation on the onset of convection in a porous medium layer saturated by nanofluid” in the ISTAM organized by the Department of Mathematics Defence Institute of Technology, Pune held from December 17-20, 2012.
15 Participated and Presented a research paper entitled “Heat transfer enhancement for free convection flow of nanofluids in a vertical rectangular duct using Darcy-Forchhiemer–Brinkman model” in “International Porous Media Conference” held at Department of Mathematics, Babes-Bolyai University RO-400084, Mihail Kogalniceanu nr. 1, Cluj-Napoca, Romania during 25-28 August 2013.
16. Participated and presented the paper entitled “Time-periodic boundary temperatures on the onset of convection in a  fluid-saturated nanofluid porous layer” in the 59th Indian Society of Theroetical and Applied Mechanics held at the Alliance University, Bangalore from 17th to 20th of December 2014.
National & International Seminars/Conferences/ Workshops Attended
1. Participated in the Workshop on “Environmental pollution”, held at Gulbarga University, Gulbarga, During 18-19 November, 1994.
2. Participated in the Workshop on “Fluid Mechanics” held at Gulbarga University, Gulbarga, During 5-9 December, 1994.
3. Participated in the Workshop, Instructional Conference on “Bio-fluid Dynamics”, held at Bangalore University, During 5-6 December. 5-6, 1994.
4. Participated in the International Workshop on “Role of fluid mechanics in materials processing and manufacturing”, held at Bangalore University, During 1-3 Jan, 1996.
5. Attended Second Instructional Conference on “Mathematical modeling of Pollutant transport in the National Environment” held at Bangalore University from Dec. 9-13, 1996.
6. Attended Third Instructional Conference on “Mathematical modeling of Pollutant transport in the National Environment” held at Bangalore University from Dec. 1-5, 1997.
7. Attended the National Conference on “Advances in Fluid Mechanics” held on 5th & 6th Feb. 2004.
8. Attended the International Conference on Advances in Applied Mathematics, held in the Department of Mathematics, Gulbarga University, Gulbarga during February 24- 26, 2005.
9. Attended the workshop in Mathematics held during March 26-28, 2007 at Department of mathematics Gulbarga University, Gulbarga.
10. Attended the National Seminar on “Fluid Mechanics” in Gulbarga University Gulbarga from March 24-25, 2009.
11. Attended the National Symposium on “Recent Advances in Applied Mathematics” held in the Department of Mathematics, Gulbarga University, Gulbarga in Feb.2010.
Invited talk delivered at National/International Conferences / Seminars
1. Delivered a Lecture on “Mathematical Modelling for Controlling the Pollution” at the three days in house Symposium on ‘Technology V/s Environment’ held at 30th March 1999 to 1st April 1999.
2. Attended and delivered an invited talk in the International Conference on Frontiers in Fluid Mechanics” held in the UGC Centre for Advanced Studies in Fluid Mechanics, Department of Mathematics, Bangalore University, Bangalore during October 26-28, 2006.
3. Delivered an Invited talk on “Multi fluid flow and heat transfer of Newtonian and non-Newtonian fluids through channels/ducts”, in the International Symposium on Multi-phase flow in atmospheric boundary, at Lanhou University, Lanzhou, China, October 16-19, 2009.
4. Worked as Visiting Professor for a period of SIX months in the Department of Civil Engineering, National Chi Nan University, 1 University Rd., Puli, Nantou, Taiwan 545, R.O.C.
5. Delivered an Invited Lecture on “Multifluid flows through channel and duct” at VIT Vellore, Tamil Nadu on 17th June, 2011.
6. Participated as a Chairperson on the topic “Hyper Geometric Series” in the state level seminar held at N.V. Arts, Sri Kanhayalal Malu Science College, Gulbarga on 5th and 6th August, 2011.
7. Delivered an Invited talk on “Convective heat transfer in a vertical rectangular duct filled with a nanofluid” in the ISTAM held at SVNIT Surat from 19-21 December 2011.
8. Delivered an Invited Lecture in Refresh course organized by the UGC-Academic Staff College of Mysore, Mysore on 19th and 20th of January 2012.
9. Delivered an Invited talk on “Mixed convection flow of a electrically conducting fluid in a vertical channel with boundary conditions of third kind” held at Department of Mathematics MES College Bangalore on 9th and 10th March 2012.
10. Delivered an Invited talk on “Rayleigh-Benard convection subject to time dependent wall temperature in a porous medium layer saturated by a nanofluid with cross-diffusion” held at Department of Mathematics, Sri Venkateswara University, Tirupati on 28th June, 2013.
11. Delivered and invited talk entitled “Heat transfer enhancement for free convection flow of nanofluids in a vertical rectangular duct using Darcy-Forchhiemer–Brinkman model” in “International Porous Media Conference” held at Department of Mathematics, Babes-Bolyai University RO-400084, Mihail Kogalniceanu nr. 1, Cluj-Napoca, Romania during 25-28 August 2013.
12. Delivered a series of lectures on “Fundamentals of Fluid
Mechanics, Heat mass transfer and stability of nanofluids” held at Defence Institute of Advanced Technology, (Deemed University), Pune from 14th -18th  July 2014.
13. Delivered an invited talk  on “Rayleigh-Benard convection subject to time dependent wall-temperature in a porous medium layer saturated by  a nanofluid” held at the Department of P.G. studies and research in Mathematics, Kuvempu University, Shimoga from 26th and 27th August 2014.
14. Delivered an invited talk on “Effect of time-periodic boundary temperatures on the onset of convection in a Maxwell fluid-saturated nanofluid porous layer” held at the Department of studies in Mathematics, Vijayanagara Sri Krishnadevaraya University, Bellary from 25th and 26th July 2014.
Awards Received:
1. Kalpana Chawla young Scientist award for the year from Government of Karnataka, 2012.
2. Sir J.C. Bose Memorial award for the contribution in the field of Fluid Mechanics from Indian Science Monitor 2015