Dr. Ashok Kumar Singh

Professor
Ph. D (BHU), D.Sc. (BHU)
Contact Information:
(O) +91542-6702587 ; (R) +91-542-2317028 ; +91-9450530760
Email Id:ashok@bhu.ac.in ; ashok_56vns@rediffmail.com
Employee No. 12274

 
 
Academic Qualifications:
 
S. No.DegreeInstitutionYear
1.B.Sc.(H)University of Gorakhpur, Gorakhpur1975
2.M.Sc.University of Gorakhpur, Gorakhpur1977
3.Ph. D.Banaras Hindu University, Varanasi1979
4.D. Sc.Banaras Hindu University, Varanasi1986
 
Area of specialization:Differential Equations, Fluid Dynamics and Numerical Analysis, Magnetohydrodynamic flows, Flow through porous media, Non-Newtonian fluids, Heat and Mass Transfer, Transport processes in Cavity.
 

List of 10 major Publications:

  1. Singh, A. K., Boundary layer flows with swirl and large suction, Applied Scientific Research, Vol. 35 (1979), pp. 59-65.
  2. Singh, A. K., Leonardi, E. and Thorpe, G. R., 3-Dimensional natural convection in a confined fluid overlying a porous layer, ASME Journal of Heat Transfer, Vol. 115 (1993), pp. 631-638.
  3. Singh, A.K., Leonardi, E. and Thorpe, G. R., A solution procedure for the equations that govern three-dimensional free-convection in bulk stored grains, Transactions of American Society of Agricultural Engineering, Vol. 36 (1993), pp. 1159-1173.
  4. Singh, A. K. and Thorpe, G. R., A solution procedure for three-dimensional free convective flow in peaked bulks of grain, Journal of Stored Product Research, Vol. 29 (1993), pp. 221-235.
  5. Singh, A. K., and Gholami, H. R., and Soundalgekar, V. M., Transient free convection flow between two vertical parallel plates, Heat and Mass Transfer, Vol. 31 (1996), pp 329-332.
  6. Singh, A. K., Chandran, P. and Sacheti, N. C., Effects of transverse magnetic field on a flat plate thermometer problem, International Journal of Heat and Mass Transfer, Vol. 43 (2000), pp. 3253-3258.
  7. Tahkar, H. S., Nath, G. and Singh, A. K., Unsteady MHD boundary layer of a source and vertex flow adjacent to a stationary surface, Acta Mechanica, Vol. 146 (2001), pp. 9-20.
  8. Chandran, P., Sacheti, N. C. and Singh, A. K., Natural convection near a vertical plate with ramped wall temperature, Heat and Mass Transfer, Vol. 41 (2005), pp. 459-464.
  9. Singh, A. K. and Thorpe, G. R., Simpson’s 1/3-rule of integration for unequal subintervals, Journal of Concrete and Applicable Mathematics, Vol. 1 (2003), pp. 247-252.
  10. Singh, A. K. and Kumar, N., Unsteady magneto-hydrodynamic Couette flow, Wear, Vol. 89 (1983), pp. 125-129.
 
Any additional information:
 
  1. Worked as a research fellow from January 1990 to June 1992 in University of Melbourne, Australia.
  2. Worked as a visiting fellow from January 1990 to June 1992 in Victoria University of technology, Australia.
  3. Visited Sultan Qaboos University, Muscat in February 2009 and June 2011 for collaborative works.


Full List of Publications:

  1. Singh, A. K., Boundary layer flows with swirl and large suction, Applied Scientific Research, Vol. 35 (1979), pp. 59-65.
  2. Singh, A. K., On compressible boundary layer flows with stationary origin on a continuous moving surface with large suction, Journal of Scientific Research, Vol. 30 (1980), pp. 253-261.
  3. Singh, A. K. and Singh, J., MHD flow through a porous medium bounded by an accelerated porous plate, Journal of Scientific Research, Vol. 32 (1981), pp. 189-193.
  4. Singh, A. K. and Singh, J., Oscillatory MHD flow through a porous medium bounded by a porous plate, Journal of Scientific Research, Vol. 32 (1981), pp. 195-201
  5. Singh, A. K., MHD free convective flow in the Stokes problem for a porous vertical plate, Astrophysics and Space Science, Vol. 87 (1982), pp. 455-461.
  6. Singh, A. K., Unsteady stratified flow due to an impulsively started plate, Journal of Technology, Vol. 27 (1982), pp. 17-19.
  7. Singh, A. K., Flow of an elastico-viscous fluid past an impulsively started vertical plate with constant heat flux, Journal of Technology, Vol. 27 (1982), pp. 20-26.
  8. Raptis, A. and Singh, A. K., MHD free convection flow past an accelerated vertical plate, International Communication in Heat and Mass Transfer, Vol. 10 (1983), pp. 313-321.
  9. Singh, A. K., MHD free convection flow in the Stokes problem for a porous vertical plate by finite difference method, Astrophysics and Space Science, Vol. 90 (1983), pp.67-74.
  10. Singh, A. K. and Kumar, N., Unsteady magneto-hydrodynamic Couette flow, Wear, Vol. 89 (1983), pp. 125-129.
  11. Singh, A. K., Comments on the paper 'Effect of mass transfer on the hydromagnetic free convective flow in the Stokes problem', Astrophysics and Space Science, Vol. 90 (1983), pp. 455-456.
  12. Singh, A. K., Comments on 'Stratified fluctuating MHD flow through a porous medium past an infinite porous plate with variable suction, Indian Journal of Technology, Vol. 21 (1983), pp. 88.
  13. Singh, A. K., Hall effects on oscillatory MHD flow in the Stokes problem past an infinite vertical porous plate-I, Astrophysics and Space Science, Vol. 93 (1983), pp. 1-13.
  14. Singh, A. K., Hall effects on MHD free convection flow in the Stokes problem for a vertical porous plate, Astrophysics and Space Science, Vol.93 (1983), pp. 177-184.
  15. Singh, A. K., MHD flow through a porous medium bounded by an oscillating porous plate, Indian Journal of Theoretical Physics, Vol. 31 (1983), pp. 41- 46.
  16. Singh, A. K., Finite difference analysis of MHD free convective flow past an accelerated vertical porous plate, Astrophysics and Space Science, Vol. 94 (1983), pp. 395-400.
  17. Singh, A. K. and Singh, J., MHD flow of an elastico-viscous fluid past an accelerated plate, National Academy Science Letters, Vol. 6 (1983), pp. 233-238.
  18. Singh, A. K., MHD free convective flow in the Stokes problem for a vertical porous plate in a rotating system, Astrophysics and Space Science, Vol. 95 (1983), pp. 283-289.
  19. Singh, A. K. and Singh, J., MHD flow through a porous medium bounded by an impulsively started porous plate, Indian Journal of Theoretical Physics, Vol. 32 (1983), pp. 219-223.
  20. Singh, A. K. and Singh, J., Mass transfer effects on the flow past an accelerated vertical plate with constant heat flux, Astrophysics and Space Science, Vol. 97 (1983), pp. 57-61.
  21. Singh, A. K., Hall effects on oscillatory MHD flow in the Stokes problem past an infinite vertical porous plate-II, Astrophysics and Space Science, Vol. 97 (1983), pp. 453-460.
  22. Singh, A. K., Hydromagnetic free convection flow past an impulsively started vertical plate in a rotating fluid, International Communication in Heat and Mass Transfer, Vol.11 (1984), pp. 399-406.
  23. Singh, A. K. and Kumar, N., Free convection flow past an exponentially accelerated vertical plate, Astrophysics and Space Science, Vol. 99 (1984), pp. 245-248.
  24. Singh, A. K., Oscillatory free convective flow of an elastico-viscous fluid past an impulsively started infinite vertical plate-I, Indian Journal of Technology, Vol. 22 (1984), pp. 245-249.
  25. Singh, A. K., Hall effects on MHD free convection flow past an accelerated vertical porous plate, Astrophysics and Space Science, Vol. 102 (1984), pp. 213-221.
  26. Singh, A. K., Mass transfer effects on the flow past an impulsively started vertical plate with constant heat flux, Vijnanna Parisad, Vol. 27 (1984), pp. 1-6.
  27. Singh, A. K., MHD free convection flow past an accelerated vertical porous plate in a rotating fluid, Astrophysics and Space Science, Vol. 103 (1984), pp. 155-163.
  28. Singh, A. K., Stokes problem for a porous vertical plate with heat sinks by finite difference method, Astrophysics and Space Science, Vol. 103 (1984), pp.241-248.
  29. Singh, A. K., Hydromagnetic free convection flow near a time varying accelerated vertical porous plate, Astrophysics and Space Science, Vol. 104 (1984), pp. 259-265.
  30. Singh, A. K., Unsteady MHD Couette flow with suction and injection, Ganita, Vol. 4 (1984), pp. 15-22.
  31. Singh, A. K. and Raptis, A., Free convection flow of water at 40 C past an infinite vertical porous plate with constant heat flux, Astrophysics and Space Science, Vol. 104 (1984), pp. 359-364.
  32. Singh, A. K., MHD flow of an elastico-viscous fluid past an impulsively started vertical plate, Ganita, Vol. 4 (1984), pp. 35-40.
  33. Singh, A. K., Oscillatory free convective flow of an elastico-viscous fluid past an impulsively started infinite vertical porous plate-II, Astrophysics and Space Science, Vol. 105 (1984), pp. 307-313.
  34. Singh, A. K., Flow of an elastico-viscous fluid past an accelerated vertical plate with constant heat flux, Indian Journal of Theoretical Physics, Vol. 32 (1984), pp. 309-313.
  35. Singh, A. K., Oscillatory hydromagnetic free convection flow in the Stokes problem past an infinite vertical porous plate in a rotating system-I, Astrophysics and Space Science, Vol. 107 (1984), pp. 125-134.
  36. Kumar, N. and Singh, A. K., Velocity distribution and solute dispersion in unsteady flow through channel with permeable walls, Revue Roumaine de Physique, Vol.29 (1984), pp. 445-457.
  37. Raptis, A. and Singh, A. K., Rotation effect on MHD free convection flow past an accelerated vertical plate, Mechanics Research Communications, Vol. 12 (1985), pp. 31-41.
  38. Kumar, N. and Singh, A. K., Dispersion of solute contaminant in a flow through porous channel, Indian Journal of Theoretical Physics, Vol. 33 (1985), pp. 57-66.
  39. Raptis, A. and Singh, A. K., Free convection flow past an impulsively started vertical plate in a porous medium by finite difference method, Astrophysics and Space Science, Vol. 112 (1985), pp. 259-265.
  40. Singh, A. K., Unsteady MHD Couette flow of an elastico-viscous fluid, Indian Journal of Theoretical Physics, Vol. 33 (1985), pp. 219-225.
  41. Singh, A. K., Hydromagnetic boundary layer flows with large suction, Astrophysics and Space Science, Vol. 115 (1985), pp. 387-391.
  42. Raptis A. and Singh, A. K., Hydromagnetic Rayleigh problem in a rotating fluid, Acta Physica Hungrica, Vol. 60 (1986), pp. 221-226.
  43. Singh, A. K., Free convection flow of water at 40 C past an infinite vertical porous plate in a rotating system, Indian Journal of Theoretical Physics, Vol. 34 (1986), pp. 85-91.
  44. Singh, A. K. and Rai, K. D., Heat transfer in flow past a continuously moving adiabatic porous plate, Proceedings of Mathematical Society, B.H.U., Vol. 2 (1986), pp. 41-45.
  45. Singh, A. K., Unsteady hydromagnetic flow formation of an elastico-viscous fluid in Couette motion, Indian Journal of Theoretical Physics, Vol. 34 (1986), pp. 225-230.
  46. Singh, A. K., Unsteady free convection flow through a rotating porous medium, Proceedings of Indian National Science Academy, Vol. 52A, (1986), pp. 221-226.
  47. Singh, A. K., Unsteady stratified Couette flow, Indian Journal of Theoretical Physics, Vol. 34 (1986), pp. 291-294.
  48. Raptis, A., Singh, A. K. and Rai, K. D., Finite difference analysis of unsteady free convective flow through a porous medium adjacent to a semi-infinite vertical plate, Mechanics Research Communications, Vol. 14 (1987), pp. 9-16.
  49. Raptis, A. and Singh, A. K., Unsteady hydromagnetic free convective flow with Hall current, Modelling, Simulation and Control B, Vol. 8, (1987), pp. 9-18.
  50. Singh, B. B. and Singh, A. K., Asymptotic behaviour of MHD Falkner-Skan and corresponding heat transfer equations, Indian Journal of Pure and Applied Mathematics, Vol. 18 (1987), pp. 640-647.
  51. Singh, A. K. and Rai, K. D., Unsteady free convective flow of water at 40C past a semi-infinite vertical plate by finite difference method, Modelling, Simulation and Control B, Vol. 12 (1987), pp. 9-16.
  52. Singh, A. K. and Rai, K. D., Finite difference analysis of unsteady free convective flow through a porous medium, Modelling, Simulation and Control B, Vol. 12 (1987), pp. 1-7.
  53. Singh, A. K., Natural convection in unsteady Couette motion, Defence Science Journal, Vol. 34 (1988), pp. 35-41.
  54. Singh, A. K. and Sacheti, N. C., Hall effects on Rayleigh problem, Modelling, Simulation and Control A, Vol. 17 (1988), pp. 49-59.
  55. Singh, A. K. and Dikshit, C. K., Hydromagnetic flow past a continuously moving semi-infinite plate for large suction, Astrophysics and Space Science, Vol. 148 (1988), pp. 249-256.
  56. Raptis, A. and Singh, A. K., Flow of an elastico-viscous fluid past an impulsively started vertical plate, Modelling, Simulation and Control B, Vol. 20 (1988), pp. 19-25.
  57. Singh, A. K. and Sacheti, N. C., Finite difference analysis of unsteady hydromagnetic free convection flow with constant heat flux, Astrophysics and Space Science, Vol. 150 (1988), pp. 303-308.
  58. Sacheti, N. C. and Singh, A. K., Heat transfer aspect in generalised hydromagnetic Couette flow through a channel bounded by a naturally permeable material, Modelling, Simulation and Control B, Vol. 19 (1988), pp. 21-32.
  59. Singh, A. K., Comments on 'viscous flow through a porous medium past an oscillating plate in a rotating system', Proceedings of Indian National Science Academy, Vol. 55A, (1989), pp. 493-495.
  60. Singh, A. K. and Singh, J. N., Transient MHD free convection in a rotating system, Astrophysics and Space Science, Vol. 162 (1989), pp. 85-106.
  61. Singh, A. K. and, Soundalgekar V. M., Transient free convection in cold water past an infinite vertical porous plate, International Journal of Energy Research, Vol. 14 (1990), pp. 413-420.
  62. Singh, A. K., Free convective flow of micro-polar fluid in generalized Couette motion, Modelling, Simulation and Control B, Vol. 33 (1990), pp. 29-34.
  63. Singh, A. K. and Yusuf, M., Thermal stability of a layer with permeable boundaries and variable gravitational field, Astrophysics and Space Science, Vol. 167 (1990), pp. 69-80.
  64. Singh, A. K., Moore, G. A. and Thorpe, G. R., Macroscopic boundary conditions on convective flows in stored grains and other agricultural commodities, I. E. Australian Agricultural Engineering Conference, Toowoomba, Australia, Nov. 11-14, 1990, pp. 386-391.
  65. Singh, A. K., and Gholami, H. R., Unsteady free convection flow through a porous medium bounded by an infinite vertical porous plate with constant heat flux, Rev. Roum. Sci. Techn. Mec. Appl., Vol. 35 (1990), pp. 337-382.
  66. Singh, A. K., Moore, G. A. and Thorpe, G. R., Modelling of temperature and moisture transfer processes by natural convection in bulk stored grain, Proceedings International AMSE Conference on Signals and System, Tirupati, India, Dec. 10-12, 1990, pp. 147-159.
  67. Singh, A. K., and Sacheti, N. C., Stratification effect on the Rayleigh layer over a naturally permeable wall, Ecoulements Solide Liquide, Vol (1990), pp. 9-11.
  68. Yusuf, M. and Singh, A. K., Thermal stability of a fluid layer in a variable gravitational field through a porous medium, Indian Journal of Theoretical Physics, Vol. 38 (1990), pp. 289-299.
  69. Jha, B. K. and Singh, A. K., Soret effects on free convection and mass transfer flow in the Stokes problem for an infinite vertical plate, Astrophysics and Space Science, Vol. 38 (1990), pp. 251-255.
  70. Yusuf, M. and Singh, A. K., Anisotropic thermo-convective effects on the stability of the thermo-diffusive equilibrium through porous medium, Astrophysics and Space Science,Vol. 175 (1991), pp. 125-134.
  71. Cachuela, R. L., Moore, G. A., Singh, A. K. and Thorpe, G. R., Simulation of transport processes in grain stores, Asean Seminar on Grain Postharvest Technology, Philippines, Manila, Nov. 5-8, (1991), pp. 214-229.
  72. Singh, J. N. and Singh, A. K., Transient hydromagnetic free convective flow past an impulsively started vertical plate, Astrophysics and Space Science, Vol. 176 (1991), pp. 97-104.
  73. Sacheti, N. C. and Singh, A. K., Free convection through a vertical channel in a rotating porous medium, International Communication in Heat and Mass Transfer, Vol. 19 (1992), pp. 423-433.
  74. Thorpe, G. R., Moore, G. A. and Singh, A. K., Heat, mass and momentum transfer in three-dimensional bulks of stored grains, I. E. Australian Agricultural Engineering Conference, (1992), Albury, Australia, pp. 91-96.
  75. Singh, A. K., Leonardi, E. and Thorpe, G. R., 3-Dimensional natural convection in a confined fluid overlying a porous layer, ASME Journal of Heat Transfer, Vol. 115 (1993), pp. 631-638.
  76. Singh, A.K. and Thorpe, G. R., A grid generation technique for numerical modelling of heat and moisture movement in peaked bulks of grain, Journal of Food Processing Engineering, Vol. 16 (1993), pp. 45-54.
  77. Singh, A.K., Transient free convection flow past an infinite vertical porous plate in a dissipative fluid, Modelling, Measurements and Control B, Vol. 47 (1993), pp. 45-54.
  78. Singh, A.K., Leonardi, E. and Thorpe, G. R., A solution procedure for the equations that govern three-dimensional free-convection in bulk stored grains, Transactions of American Society of Agricultural Engineering, Vol. 36 (1993), pp. 1159-1173.
  79. Chandran, P., Sacheti, N. C. and Singh, A. K., Effects of rotation on unsteady hydromagnetic Couette flow, Astrophysics and Space Science, Vol. 202 (1993), pp. 1-10.
  80. Gholami, H. R. and Singh, A. K., Unsteady free convection with combined heat and mass transfer effects through a porous medium with heat source/sink - I, low frequency case, Indian Journal of Theoretical Physics, Vol. 41 (1993), pp. 141-148.
  81. Gholami, H. R. and Singh, A .K., Unsteady free convection with combined heat and mass transfer effects through a porous medium with heat source/sink - II, high frequency case, Indian Journal of Theoretical Physics, Vol. 41 (1993), pp.219-228.
  82. Singh, A. K. and Thorpe, G. R., A solution procedure for three-dimensional free convective flow in peaked bulks of grain, Journal of Stored Product Research, Vol. 29 (1993), pp. 221-235.
  83. Singh, A. K., Sacheti, N. C. and Chandran, P., Transient effects on magnetohydrodynamic Couette flow with rotation, International Journal of Engineering Sciences, Vol. 32 (1994), pp. 133-139.
  84. Sacheti, N. C., Chandran, P. and Singh, A. K., An exact solution for unsteady magneto-hydrodynamic free convection flow with constant heat flux, International Communication in Heat and Mass Transfer, Vol. 21 (1994), pp. 131-142.
  85. Singh, A. K., Yusuf, M. and Soundalgekar, V. M., Stability of flow of a viscous incompressible fluid between concentric rotating cylinders with radial temperature gradient, Indian Journal of Pure and Applied Mathematics, Vol. 25 (1994), pp. 449-456.
  86. Singh, A. K., Moore, G. A. and Thorpe, G. R., Effect of the ratio of the depth of fluid and porous layers on free convective flow in a tall rectangular cavity, Proceedings of Twelfth National Heat and Mass Transfer Conference, Jan.5-8, (1994) Bombay.
  87. Singh, A. K. and Soundalgekar, V. M., Effects of mass transfer on unsteady free convection flow past an infinite vertical porous plate with time dependent suction/injection, Progress of Mathematics, Vol. 28 and 29 (1994-1995), pp. 123-132.
  88. Singh, A. K. and Thorpe, G. R., Natural convection in a confined fluid overlying a porous layer - a comparison study of different models, Indian Journal of Pure and Applied Mathematics, Vol. 26 (1995), pp. 81-95.
  89. Singh, A. K., and Gholami, H. R., and Soundalgekar, V. M., Transient free convection flow between two vertical parallel plates, Heat and Mass Transfer, Vol. 31 (1996), pp 329-332.
  90. Chandran, P., Sacheti, N. C. and Singh, A. K., Hydromagnetic flow and heat transfer past a continuously moving porous boundary, International Communication in Heat and Mass Transfer, Vol. 23 (1996), pp 889-898.
  91. Paul, T., Jha, B. K., and Singh, A. K., Transient free convection flow in a vertical channel with constant temperature and constant heat flux on walls, Heat and Mass Transfer, Vol. 32 (1996), pp. 61-63.
  92. Singh, S. K., Jha, B. K. and Singh, A. K., Natural convection in a vertical concentric annuli under a radial magnetic field, Heat and Mass Transfer, Vol. 32 (1997), pp.399-401.
  93. Chandran, P., Sacheti, N. C. and Singh, A. K., Unsteady hydromagnetic free convection flow with heat flux and accelerated boundary motion, Journal of Physical Society of Japan, Vol. 67 (1998), pp. 124-129.
  94. Paul, T., Jha, B. K. and Singh, A. K., Free convection between vertical walls partially filled with porous medium, Heat and Mass Transfer, Vol. 33 (1998), pp. 515-519.
  95. Paul, T. and Singh, A. K., Natural convection between coaxial vertical cylinders partially filled with a porous material, Forschung im Ingenieurwesen (Engineering Research Journal), Vol. 64 (1998), pp. 157-162.
  96. Paul, T., Singh, A. K. and Thorpe, G. R., Transient natural convection in a vertical channel partially filled with a porous medium, Journal of Mathematical Engineering in Industry, Vol. 7 (1999), pp. 441-455.
  97. Singh, A. K., Paul, T. and Thorpe, G. R., Natural convection due to heat and mass transfer in a composite system, Heat and Mass Transfer, Vol. 35 (1999), pp. 39-48.
  98. Chandran, P., Sacheti, N. C. and Singh, A. K., An exact solution for fluid convection near an infinite vertical plate in a rotating system, Differential Equations and Control Processes, Vol. 3 (1999), pp. 55-64.
  99. Singh, A. K., Chandran, P. and Sacheti, N. C., Effects of transverse magnetic field on a flat plate thermometer problem, International Journal of Heat and Mass Transfer, Vol. 43 (2000), pp. 3253-3258.
  100. Singh, A. K., Paul, T. and Thorpe, G. R., Natural convection in a non-rectangular porous cavity, Forschung im Ingenieurwesen (Engineering Research Journal), Vol. 65 (2000), pp. 301-308.
  101. Paul, T. and Singh, A. K., Transient free convection between two coaxial vertical cylinders partially filled with a porous material, Proceedings of the Fourth ISHMT-ASME Heat and Mass Transfer Conference and Fifteenth National Heat and Mass Transfer Conference, 2000, pp. 605-610.
  102. Singh, A. K. and Thorpe, G. R., A general formula for numerical integration of a function, Bulletin of Allahabad Mathematical Society, Vol. 15 (2000), pp. 1-7.
  103. Paul, T. and Singh, A. K., Effect of interfacial stress jump condition on free convective flow between vertical walls partially filled with a porous medium, Modelling, Measurement and Control B, Vol. 69, No. 3 (2000), pp. 13-20.
  104. Singh, A. K., Chandran, P. and Sacheti, N. C., On the thermal boundary layer on a moving flat plate thermometer in the presence of Ohmic heating, Journal of Applied Mechanics and Engineering, Vol. 5 (2000), pp. 303-315.
  105. Mishra, A. K., Paul, T. and Singh, A. K., Natural convection between two vertical walls filled with a porous material, Progress of Mathematics, Vol. 34 (2000), pp. 109-120.
  106. Tahkar, H. S., Nath, G. and Singh, A. K., Unsteady MHD boundary layer of a source and vertex flow adjacent to a stationary surface, Acta Mechanica, Vol. 146 (2001), pp. 9-20.
  107. Chandran, P., Sacheti, N. C. and Singh, A. K., A unified approach to analytical solution of a hydromagnetic free convection flow, Scientiae Mathematicae Japonicae, Vol. 53 (2001), pp. 467-476.
  108. Paul, T., Jha, B. K., and Singh, A. K., Transient natural convection in a vertical channel, Journal of Applied Mechanics and Engineering, Vol. 6 (2001), pp. 913-922.
  109. Paul, T., Singh, A. K. and Mishra, A. K., Transient natural convection between two vertical walls filled with a porous material having variable porosity, Journal of Mathematical Engineering in Industry, Vol. 8 (2001), pp. 177-185.
  110. Chandran, P., Sacheti, N. C. and Singh, A. K., Exact solution for the convective flow of fluids of different Prandtl numbers near an infinite vertical plate in a rotating system, Journal of Applied Mechanics and Engineering, Vol. 6 (2001), pp. 573-590.
  111. Chandran, P., Sacheti, N. C. and Singh, A. K., Transient hydromagnetic natural convection on a vertical flat plate subject to heat flux, Modelling, Measurement and control, Vol. 70 (2001), pp. 15-28.
  112. Takhar, H. S., Singh, A. K. and Nath, G., Unsteady MHD flow and heat transfer on a rotating disk in an ambient fluid, International Journal of Thermal Sciences, Vol. 41 (2002), pp. 147-155.
  113. Mishra. A. K., Paul, T. and Singh, A. K., Mixed convection in a porous medium bounded by two vertical walls, Forschung im Ingenieurwesen (Engineering Research Journal), Vol. 67 (2002), pp. 198-205.
  114. Chandran, P., Sacheti, N. C. and Singh, A. K., On laminar boundary layer flow of electrically conducting liquids near an accelerated vertical plate, Phy. Chem. Liq., Vol. 40 (2002), pp. 241-254.
  115. Jha, B. K., Singh, A. K. and Takhar, H. S., Transient free convective flow in a vertical channel due to symmetric heating, International Journal of Applied Mechanics and Engineering, Vol. 8 (2003), pp. 497-502.
  116. Singh, A. K. and Thorpe, G. R., Simpson’s 1/3-rule of integration for unequal subintervals, Journal of Concrete and Applicable Mathematics, Vol. 1 (2003), pp. 247-252.
  117. Chandran, P., Sacheti, N. C. and Singh, A. K., Natural convection near a vertical plate with ramped wall temperature, Heat and Mass Transfer, Vol. 41 (2005), pp. 459-464.
  118. Singh, A. K. and Paul, T., Transient natural convection between two vertical walls heated/cooled asymmetrically, International Journal of Applied Mechanics and Engineering, Vol. 11 (2006), pp. 67-73.
  119. Singh, A. K., Sacheti, N. C. and Chandran, P., Stratification effects on transient Stokes flow in the presence of a permeable boundary, Forschung im Ingenieurwesen (Engineering Research Journal), Vol. 70 (2006), pp. 67-73.
  120. Mishra, A. K., Paul, T. and Singh, A. K., Transient free convection flow in a porous region bounded by two vertical walls heated/cooled asymmetrically, Journal of Energy, Heat and Mass Transfer, Vol. 28 (2006), pp. 193-207.
  121. Chandran, P., Sacheti, N. C. and Singh, A. K., Some aspects of free convection in electrically conducting fluids: Flow near vertical plates, International Journal of Applied Mathematics and Statistics, Vol. 10 (2007), pp. 08-24.
  122. Singh, A. K., Soundalgekar, V. M. and Takhar, H. S., An approximate solution to Blasius/Sakiadis boundary layer equation and corresponding thermal boundary layer equation, Journal of Magnetohydrodynamics, Plasma and Space Research, Vol. 12 (2007), pp. 11-19.
  123. Singh, A. K. and Thorpe, G. R., Finite difference formulae from Lagrange’s interpolation formula, Journal of Scientific Research, Vol. 52 (2008), pp. 263-270.
  124. Singh, A. K., Sacheti, N. C. and Chandran, P., Transient boundary layer flow due to a heated semi-infinite vertical wall: Effect of ramped temperature, International Journal of Applied Mathematics and Statistics, Vol. 13 (2008), pp. 34-45.
  125. Singh, A. K., and Bhadauria, B. S., Finite difference formulae for unequal sub-intervals using Lagrange’s interpolation formula, International Journal of Mathematical Analysis, Vol. 3 (2009), pp 815-827.
  126. Singh, R. K. and Singh, A. K., Transient hydromagnetic natural convection between two vertical walls, Journal of Magnetohydrodynamics, Plasma and Space Research, Vol. 14 (2009), pp. 247-262.
  127. Singh, R. K. and Singh, A. K., Hydromagnetic mixed convection between two vertical walls, Journal of Energy, Heat and Mass Transfer, Vol. 31 (2009), pp. 111-123.
  128. Chandran, P., Sacheti, N. C. and Singh, A. K., Transient natural convection near a semi-infinite vertical wall in a rotating system, Differential Equations and Control Processes, Vol. 13, No. 4, (2009), pp. 69-87.
  129. Kumar, A. and Singh, A. K., Effects of suction/injection on a MHD flat plate thermometer problem, Journal of Magnetohydrodynamics, Plasma and Space Research, Vol. 14 (2009), pp. 263-272.
  130. Singh, A. K. Sacheti, N. C. and Chandran, P., Flow of an incompressible fluid in a cubical cavity with a free fluid porous medium interface, Indian Journal of Industrial and Applied Mathematics, Vol. 2 (2009), pp.61-71.
  131. Tiwari, A. K. and Singh, A. K., Natural convection in a porous medium bounded by a long vertical wavy wall and a parallel flat wall, Zeitschrift fur Naturforschung, Vol. 65A (2010), pp. 800-810.
  132. Srivastava, Neetu and Singh, A. K., Mixed convection in a composite system bounded by vertical walls, Journal of Applied Fluid Mechanics, Vol. 3 (2010), pp. 65-75.
  133. Singh, R. K. and Singh, A. K., Transient MHD free convective flow near a semi-infinite vertical wall having ramped temperature, International Journal of Applied Mathematics and Mechanics, Vol. 6 (5) (2010), pp. 69-79.
  134. Singh, R. K., Singh, A. K. Singh, Sacheti, N. C. and Chandran, P., On hydromagnetic free convection in the presence of induced magnetic field, Heat and Mass Transfer, Vol. 46 (2010), pp. 523–529.
  135. Bhadauria, B. S., and Singh, A. K., Modified numerical integral formula for unequal sub-intervals using cubic spline interpolation formula, Integration: Mathematical Theory and Applications , Vol. 2(2), (2010), Article 5.
  136. Tiwari, A. K., Singh, A. K., and Bhadauria, B. S., Oscillatory natural convective flow in an infinite vertical annular duct filled with a porous material, International Journal of Energy and Technology, Vol. 2 (7) (2010), pp. 1-8.
  137. Srivastava, Neetu and Singh, A. K., Natural convection between vertical walls partially filled with a porous material in a rotating system, Journal of Indian Academy of Mathematics, Vol. 32 (2010), pp. 533-548.
  138. Kumar, A. and Singh, A. K., Transient magnetohydrodynamic Couette flow with ramped velocity, International Journal of Fluid Mechanics Research, Vol. 37 (2010), pp. 435-446.
  139. Chandran, P., Sacheti, N. C. and Singh, A. K., A comparative study of two-dimensional natural convection in an isotropic porous medium, International Journal of Applied Mathematics and Statistics, Vol. 21 (2011), pp 60-74.
  140. Ravi, S. K. and Singh, A. K., Natural convection of a polar fluid in vertical concentric annuli, International Journal of Applied Mathematics and Mechanics, Vol. 7 (1) (2011), pp. 70-81.
  141. Srivastava, Neetu and Singh, A. K., Free convection between coaxial vertical cylinders partially filled with a porous material having constant heat flux on inner cylinder International Journal of Energy and Technology, Vol. 3 (3) (2011), pp.1-6.
  142. Ravi, S. K., Singh, A. K. and Alawadhi, K. A., Effect of temperature dependent heat source/sink on free convective flow of a micro polar fluid between two vertical walls, International Journal of Energy and Technology, Vol. 3 (26) (2011), pp.1-8.
  143. Ravi, S. K., Singh, A. K. and Kumar, A. Analytical treatment of free convective flow of an elastico-viscous fluid between two vertical walls, International Journal of Energy and Technology, Vol. 3 (28) (2011), pp.1-7.
  144. Singh, R. K. and Singh, A. K., Effect of induced magnetic field on natural convection in vertical concentric annulai, Acta Mechanica Sinicia, Vol. 28, No. 2, (2012), pp. 315-323.
  145. Tiwari, A. K., Singh, A. K., Chandran, P. and Sacheti, N. C., Two-dimensional Natural convection in a cavity with a slopping upper surface cavity filled with an anisotropic porous material, Acta Mechanica Vol. 223 (2012), pp. 95–108.
  146. Agarwal, S., Sacheti, N. C., Chandran, P., Bhadauria, B. S. and Singh, A. K., Non-linear convective transport in a binary nanofluid saturated porous layer, Transport in Porous Media, Vol. 93 (2012), pp. 29-49.
  147. Singh, R. K. and Singh, A. K., MHD free convective flow past semi-infinite vertical permeable wall, Applied Mathematics and Mechanics (English Edition), Vol. 33 (2012), pp. 1207-1222.
  148. Prasad, R., Singh, A. K. and Pandey, S., Stability of viscous flow in a narrow-gap annulus with radial temperature gradient and constant heat flux at inner rotating cylinder, International Journal of Energy and Technology, Vol. 4 (29) (2012), pp. 1-8.
  149. Sacheti, N. C. , Chandran, P., Singh, A. K., and Bhadauria, B. S., Transient free convection of a nanofluid in a vertical channel, International Journal of Energy and Technology, Vol. 4 (32) (2012), pp. 1-7.
  150. Chandran, P., Sacheti, N. C. and Singh, A. K., A numerical investigation of a buoyancy driven flow in a semi-porous cavity: Comparative effects of ramped and isothermal wall conditions, Journal of Hydrology and Hydromechanics, Vol. 61 (2013), pp. 103-111.
  151. Kumar, A. and Singh, A. K., Effect of induced magnetic field on natural convection in vertical concentric annuli heated/cooled asymmetrically, Journal of Applied Fluid Mechanics, Vol. 6, No. 1 (2013), pp.15-26.
  152. Srivastava, Neetu and Singh, A. K., Double diffusion between coaxial vertical cylinders partially filled with a porous material, International Journal of Applied Mathematics and Mechanics, Vol. 9(4) (2013), pp. 80-101.
  153. Kumar, A. and Singh, A. K., Unsteady MHD free convective flow past a semi-infinite vertical wall with induced magnetic field, Applied Mathematics and Computation, Vol. 222 (2013), pp. 462-471.
  154. Ravi, S. K., Singh, A. K., Singh, R. K. and Chamkha, A. J., Transient free convective flow of a micro polar fluids between two vertical walls, International Journal of Industrial Mathematics, Vol. 5, No. 2 (2013), pp.87-95.
  155. Prasad, R. and Singh, A. K., Effect of perpendicular magnetic field on chaos in a cavity heated from below, International Journal of Applied Mathematics and Informatics, Vol. 7 (2013), pp. 87-96.
  156. Gupta, V. K. and Singh, A. K., A study of chaos in an anisotropic porous cavity, International Journal of Energy and Technology, Vol. 5 (27) (2013), pp. 1-12.
  157. Gupta, V. K., Prasad, R. and Singh, A. K., Effect of magnetic field on chaos in couple stress liquid saturated in porous layer, International Journal of Energy and Technology, Vol. 5 (28) (2013), pp. 1-9.
  158. Sacheti, N. C. , Chandran, P., Singh, A. K., and Bhadauria, B. S., Developing buoyancy driven flow of a nanofluid in a vertical channel subject to heat flux, International Journal of Engineering Mathematics, Vol. 2014, Article ID 618591, pp. 1-8.
  159. Yadav, S. L. and Singh, A. K., Effects of viscous and Darcy dissipations on entropy generation rate of flow through a horizontal porous channel, International Journal of Energy and Technology, Vol. 6 (17) (2014), pp. 1-7.
  160. Gupta, V. K. and Singh, A. K., Double diffusive reaction-convection in fluid layer with viscous fluid, International Journal of Industrial Mathematics, Vol. 6, No. 2 (2014), pp.87-95.
  161. Sarveshanand and Singh, A. K., Free convection between vertical concentric annuli with induced magnetic field when inner cylinder is electrically conducting, International Journal of Computers and Technology, Vol. 13, (2014), pp. 5063-5074.
  162. Pandey, S., Singh, A. K. and Prasad, R., Effect of constant heat flux at outer cylinder on stability of viscous flow in a narrow-gap annulus with radial temperature gradient, International Journal of Engineering, Science and Technology, Vol. 7, No. 2 (2015), pp. 1-10.
  163. Prasad, R. and Singh, A. K., Effect of radial temperature gradient on stability of hydromagnetic Couette flow in narrow gap annulus with constant heat flux at outer cylinder, Proceedings of National Academy of Sciences, India, Section A: Physical Sciences, Vol. 85 (2015), pp. 373-384.
  164. Kumar, A.; Singh, A. K.; Chandran, P.; and Sacheti, N. C.; Effect of perpendicular magnetic field on free convection in a rectangular cavity, SQU Journal for Science, Vol. 20 (2015), pp. 49-59.
  165. Srivastava, Neetu; Singh, A. K.; Chandran, P. and Sacheti, N. C.; Double diffusive natural convection in a partially permeable rectangular cavity heated from below, Global Journal of Pure and Applied Mathematics, Vol. 11, (2015), pp. 537–556.
  166. Sarveshanand and Singh, A. K., Magnetohydrodynamic free convection between vertical parallel porous plates in the presence of induced magnetic field, SpringerPlus (2015) 4:333, DOI 10.1186/s40064-015-1097-1.
  167. Gupta,V. K.; Bhadauria, B. S.; Hasim, I.; Jawdat, J. and Singh, A. K.; Chaotic convection in rotating fluid layer, Alexandria Engineering Journal, Vol. 54 (2015), pp. 981-992.
  168. Kumar, D. and Singh, A. K.; Effect of induced magnetic field on natural convection with Newtonian heating/cooling in vertical concentric annuli, Procedia Engineering, Vol. 127 (2015), pp. 568-574.
  169. Gupta,V. K.; Singh, A. K.; Bhadauria, B. S. and Hasim, I., Chaotic convection in couple stress liquid saturated porous layer, International Journal of Industrial Mathematics, Vol. 8, No. 2 (2016), pp 147-156.
  170. Bhadauria, B. S.; Siddheshwar, P. G.; Singh, A. K. and Gupta, V. K.; A local nonlinear stability analysis of modulated double diffusive stationary convection in a couple stress liquid, Journal of Applied Fluid Mechanics, Vol. 9, No. 3 (2016), pp. 1255-1264.
  171. Yadav, S. L. and Singh, A. K., Analysis of entropy generation in annular porous duct, Transport in Porous Media, Vol. 93 (2015), pp. 29-49.
  172. Prasad, R. and Singh, A. K.; A local nonlinear stability analysis of modulated double diffusive stationary convection in a couple stress liquid, Journal of Applied Fluid Mechanics, Vol. 8, No. 1 (2016), pp..
  173. Pandey, S.; Singh, A. K. and Rai, N.; Stability of viscous flow in a curved channel with radial temperature gradient, International Journal of Computer and Technology, Vol. 15, No. 8 (2016), pp. 6957- 6966.
  174. Yadav, S. L. and Singh, A. K.; Analysis of entropy generation in a rectangular porous duct, Journal of Applied Mathematics and Physics, Vol. 4, (2016), pp. 1336-1343. http://dx.doi.org/10.4236/jamp.2016.47143. .
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