amitesh.mec | Indian Institute of Technology (BHU)

Dr. Amitesh Kumar

Associate Professor

Department of Mechanical Engineering, IIT(BHU)

Phone No(s): 9439949971

Email: amitesh.mec@iitbhu.ac.in

Area of Interest: CFD, Turbulence Modelling, High Mach Number Flows, Cryotherapy, Experimental and Numerical Heat Transfer and Fluid Flow

Vist my Website

Dr. Amitesh Kumar joined IIT(BHU) in December, 2016 as an assistant professor. Prior to joing IIT(BHU), Dr. Amitesh Kumar served NIT Rourkela and NIT Goa as an assistant professor. He earned his engineering degree in mechanical engineering from Muzaffarpur Institute of Technology, Muzaffarpur. After that, he completed his MTech (2005) and PhD (2010) from IIT Kharagpur in mechanical engineering.

Engineering Thermodynamics, Fluid Mechanics, and Heat Transfer at UG level.
Numerical Methods in Thermal Engineering and Convection Heat Transfer at PG level.

PhD Students:

At IIT(BHU) Varanasi:

Vibhuti Yadav, Broad Area: Heat Transfer and Fluid Flow - Renewable Energy (Experimental and Numerical), Enrolment: July, 2023, Role: Supervisor
Akash Vikram, Broad Area: Heat Transfer and Fluid Flow - Battery Management System (Experimental and Numerical), Enrolment: July, 2023, Role: Supervisor
Swati Prajapati, Broad Area: Heat Transfer and Fluid Flow - Turbine Blade Cooling (Experimental and Numerical), Enrolment: December, 2022, Role: Supervisor
Aishwary Pratap, Broad Area: Cryospray Process (Experimental and Numerical), Enrolment: July, 2021, Role: Supervisor
Archana Kumari, Broad Area: Enhancement of Heat Transfer Using Wavy Surface (Experimental and Numerical), Defended in: 2023, Role: Supervisor
Prashant Srivastava, Broad Area: Cryospray Process (Experimental and Numerical), Defended in: 2022, Role: Supervisor
Sarvesh Kashyap, Broad Area: Evaporative Cooling (Experimental and Numerical), Defended in: 2022, Role: Co-Supervisor
Sarvesh Kumar, Broad Area: Three-dimensional wall jet (Experimental and Numerical), Defended in: 2022, Role: Supervisor

At NIT Rourkela:

Tej Pratap Singh, Broad Area: Two-dimensional jets (Numerical), Defended in: 2020, Role: Co-Supervisor
Vinay Kumar Singh, Broad Area: Controlled Drug Delivery (Experimental), Defended in: 2018, Role: Co-Supervisor

"Development of catalytic integrated air-steam gasifier for the gasification of agriculture waste and valorization of gasified fly ash on concrete work", DST, 39.5 lakhs (accepted), Role: Co-PI
"Development of connected vehicle technology for an urban concept autonomous vehicle", I-DAPT HUB FOUNDATION, 30 Lakhs, 2023 - 2025, Role: PI
"Customized cutaneous cryotherapy using numerical technique", DST (KIRAN DIVISION), 31.104 Lakhs, 2021 - 2024, Role: Mentor
"Heat transfer characteristics of a turbulent jet", SEED GRANT, IIT(BHU) VARANASI, 10 Lakhs, 2018 - 2021, Role: PI
"Effective necrosis of skin tumour using cryospray", DIC IIT(BHU) VARANASI, 5 Lakhs, 2018 - 2020, Role: PI
"Characterisation and validation of Schlieren technique for capturing shock wave", DRDO, 17.848 Lakhs, 2017 - 2019, Role: PI
"Investigations on solar power driven electric boat", PROJECT VARANASI, IIT(BHU) VARANASI, 8.65 Lakhs, 2017 - 2018, Role: Co-PI
"Effective necrosis of tumour using cryosurgery", DST, 21.7 Lakhs, 2013 - 2016, Role: PI

International Journals:

Singh, T and Kumar, A, Numerical analysis of the divergent solar chimney power plant with a novel arc and fillet radius at the chimney base region, Renewable Energy, 228 (2024) 120504.
Kumari, A and Kumar, A, Thermal analysis of a turbulent wall jet over an adiabatic wavy surface, International Journal of Thermal Sciences, 198 (2024) 108849.
Kumari, A and Kumar, A, Enhancement of heat transfer by flowing turbulent jet on a linearly decaying (LD) wavy wall, International Communications in Heat and Mass Transfer, 149 (2023) 107120.
Kumari, A and Kumar, A, Characterising the effect of sinusoidal wall amplitude on turbulent wall jet flow parameters, Journal of Fluids Engineering, 145 (12) (2023) 121302.
Kumari, A and Kumar, A, Thermal hydraulic performance of a turbulent wall jet flowing over a wavy wall, Journal of Heat Transfer, 145 (10) (2023) 103901.
Kumari, A and Kumar, A, Effect of frequency of the wavy wall on turbulent wall jet heat transfer characteristics, International Journal of Thermal Sciences, 185 (2023) 108013.
Srivastava, P and Kumar, A, An experimental study to characterise the role of multihole nozzle in adjuvant assisted cryospray, International Journal of Thermal Sciences, 183 (2023) 107838.
Kumar, S and Kumar, A, Effect of sidewall spacing on the temperature field of a three-dimensional heated turbulent wall jet, International Journal of Thermal Sciences, 182 (2022) 107796.
Kumar, S and Kumar, A, Influence of sidewalls on three dimensional turbulent wall jet: An experimental and numerical approach, Computers and Fluids, 244 (2022) 105543.
Kumar, S and Kumar, A, Dependence of wall jet phenomenology on inlet conditions and near-field flow development, Journal of Turbulence, 23 (2022) 276-304.
Srivastava, P and Kumar, A, Nano-cryospray: An adjuvant assisted approach to increase the efficacy of cryospray, Cryobiology, 106 (2022) 148-156.
Kashyap, S, Sarkar, J, and Kumar, A, Experimental exergy, economic and sustainability analyses of the dual-mode evaporative cooler, International Journal of Refrigeration, 135 (2022) 121-130.
Srivastava, P, Sahi, A K, Kumar, A and Mahto, S K, Establishing relation between in-vivo and in-vitro Cryospray experiments through thermal characteristics, International Journal of Thermal Sciences, 176 (2022) 107389.
Kashyap, S, Sarkar, J, and Kumar, A, Energy, exergy and economic assessments of the dual-mode evaporative cooler for various ASHRAE climatic zones, Building Services Engineering Research & Technology 43 (2022) 179-196.
Singh, T P, Kumar, A, and Satapathy, A K, Enhancing the heat transfer rate through surface manipulation, Journal of Thermophysics and Heat Transfer, 36 (2022) 178-195.
Singh, T P, Kumar, A, and Satapathy, A K, Numerical Analysis to Study Enhancement in Heat Transfer Using Wavy Surface in Turbulent Dual Jet, International Communications in Heat and Mass Transfer, 129 (2021) 105631.
Kashyap, S, Sarkar, J, and Kumar, A, Performance assessment of dual-mode evaporative cooler for futuristic climatic scenarios considering climate change effect, Journal of Building Engineering, 42 (2021) 103043.
Kashyap, S, Sarkar, J, and Kumar, A, Development and experimental analysis of a novel dual-mode counter-flow evaporative cooling device, Building and Environment, 205 (2021) 108176.
Kumar, S and Kumar, A, Experimental study of the sidewall effect on three dimensional turbulent wall jet, Journal of Fluids Engineering, 144 (2021) 011202.
Kashyap, S, Sarkar, J, and Kumar, A, Performance enhancement of regenerative evaporative cooler by surface alterations and using ternary hybrid nanofluids, Energy, 225 (2021) 120199.
Kumar, S and Kumar, A, Effect of initial conditions on mean flow characteristics of a three dimensional turbulent wall jet, IMechE, Part C, 235 (2021) 6177-6190.
Kashyap, S, Sarkar, J, and Kumar, A, Effect of surface modifications and using hybrid nanofluids on energy-exergy performance of regenerative evaporative cooler, Building and Environment, 189 (2021) 107507.
Kumar, S and Kumar, A, Thermal characteristics of the three dimensional turbulent wall jet with and without sidewalls, International Journal of Thermal Sciences, 161 (2021) 106725.
Kumari, A and Kumar, A, Heat transfer and fluid flow characteristics of a turbulent wall jet with a wavy wall, International Journal of Heat and Fluid Flow, 87 (2021) 108749.
Srivastava, P and Kumar, A, Optimizing the spray parameters of a cryospray process, Cryobiology, 98 (2021) 201-209.
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, An experimental and numerical study for cutaneous cryotherapy, Heat and Mass Transfer, 57 (2021) 147-163.
Singh, T P, Kumar, A, and Satapathy, A K, Role of a Sinusoidal Wavy Surface in Enhancement of Heat Transfer using Turbulent Dual Jet, Journal of Heat Transfer, 143 (2021) 032002.
Singh, T P, Kumar, A, and Satapathy, A K, Effect of Wavy Wall Surface on Flow Structure and Thermal Characteristics of a Turbulent Dual Jet Comprising of a Wall Jet and an Offset Jet, IMechE, Part A, 235 (2021) 524-545.
Srivastava, P and Kumar, A, Characterization of performance of multihole nozzle in cryospray, Cryobiology, 96 (2020) 197-206.
Kumar, M, Behera, S K, Kumar, A, and Sahoo, R K, Rotational Effect On Flow Field and Thermal Characteristics of a Turboexpander for Helium Liquefaction System: A Numerical Perspective, Journal of Heat Transfer, 142 (2020) 112901.
Kashyap, S, Sarkar, J, and Kumar, A, Exergy, economic, environmental and sustainability analyses of possible regenerative evaporative cooling device topologies, Building and Environment, 180 (2020) 107033.
Kashyap, S, Sarkar, J, and Kumar, A, Comparative performance analysis of different novel regenerative evaporative cooling device topologies, Applied Thermal Engineering, 176 (2020) 115474.
Singh, T P, Kumar, A, and Satapathy, A K, Numerical study to enhance the heat transfer using sinusoidal wavy surface for turbulent wall jet, Numerical Heat Transfer, Part A, 77 (2020) 179-198.
Singh, T P, Kumar, A, and Satapathy, A K, Heat Transfer and Fluid Flow Characteristics of a Turbulent Dual Jet Impinging on a Wavy Surface, Journal of Thermal Science and Engineering Applications, 12 (2020) 041017.
Singh, T P, Kumar, A, and Satapathy, A K, Enhancement of heat transfer using turbulent wall jet, IMechE, Part E, 234 (2020) 123-136.
Singh, T P, Kumar, A, and Satapathy, A K, Fluid flow analysis of a turbulent offset jet impinging on a wavy wall surface, IMechE, Part C, 234 (2020) 544-563.
Sharma, V K, and Kumar, A, Numerical Study on the cryosurgery of gel mimicking tissue phantoms, Heat and Mass Transfer, 56 (2020) 303-314.
Kumar, M, Behera, S K, Kumar, A, and Sahoo, R K, Numerical and experimental investigation to visualize the fluid flow and thermal characteristics of a cryogenic turboexpander, Energy, 189 (2019) 116267.
Kumar, M, Panda, D, Kumar, A, Sahoo, R K, and Behera, S K, A methodology for the performance prediction: flow field and thermal analysis of a helium turboexpander, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 41 (2019) 484.
Kashyap, S, Sarkar, J, and Kumar, A, Proposal and month-wise performance evaluation of a novel dual-mode evaporative cooler, Heat and Mass Transfer, 55 (2019) 3523-3536.
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, Effects of spray parameters on skin tumour ablation volume during cryotherapy, Australasian Physical & Engineering Sciences in Medicine, 42 (2019) 453-464.
Sinha, V A, Ramajayam, K K, and Kumar, A, A parametric study on the cryosurgery of gel mimicking tissue phantoms, Heat and Mass Transfer, 55 (2019) 655-667.
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, Effect of adjuvant on cutaneous cryotherapy, Heat and Mass Transfer, 55 (2019) 247-260.
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, An experimental and numerical approach for nodular skin tumour ablation using cryotherapy, Cryobiology 85 (2018) 155.
Ramajayam, K K, Kumar, A, Sarangi, S K, and Thirugnanam, A, A study on improving the outcome of cryosurgery using low thermal conductivity emulsions, Heat and Mass Transfer, 54 (2018) 3727-3738.
Ramajayam, K K, Kumar, A, Sarangi, S K, and Thirugnanam, A, Adjuvant-perfluorocarbon based approach for improving the effectiveness of cryosurgery in gel phantoms, International Journal of Thermal Sciences, 132 (2018) 296-308.
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, An experimental and numerical study on liquid nitrogen spray cooling for cryotherapy, Cryobiology 80 (2018) 179.
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, An experimental and numerical study on nodular gel phantom, Cryoletters 39 (2018) 137-146.
Ramajayam, K K, Kumar, A, Kumari, C, Sarangi, S K, and Thirugnanam, A, A new approach to improve the efficacy of cryosurgery in gel phantoms, Cryobiology, 80 (2018) 160-161
Ramajayam, K K, Kumar, A, Sarangi, S K, and Thirugnanam, A, A numerical study on optimising the cryosurgical process for effective tumour necrosis, Heat and Mass Transfer, 53(5) (2017) 1685-1697.
Ramajayam, K K, Kumar, A, Sarangi, S K, and Thirugnanam, A, A novel adjuvant solution-layer strategy for improving the efficacy of cryosurgy, Cryoletters, 37(5) (2016) 346-356.
Ramajayam, K K, Kumar, A, Sarangi, S K, and Thirugnanam, A, A novel strategy to enhance cryosurgical outcome in gel phantoms, Cryobiology, 73(3) (2016) 417.
Shaibu, V B, Sahoo, S K and Kumar, A, Computational modeling of dissimilar metal CO2 laser welding: Applied to copper and stainless steel, Procedia Engineering, 127 (2015) 208-214.
Bhatt, K and Kumar, A, Mechanism of morphine addiction by inhibiting the soluble guanylate cyclase-nitric oxide (sGC-NO) pathway, Mathematical Biosciences 266 (2015) 85-92.
Kumar, A, Mean flow characteristics of a dual jet consisting of a plane wall jet and a parallel offset jet, Computers and Fluids 114 (2015) 48-65.
Devismita, D and Kumar, A, Effect of cryoprotectant on optimal cooling rate during cryopreservation, Cryobiology, 70(1) (2015) 53-59.
Kumar, A, Mean flow and thermal characteristics of a dual jet consisting of a plane wall jet and a parallel offset jet, Numerical Heat Transfer, Part A, 67(10) (2015) 1075-1096.
Kumar, A, Cryosurgery of a biological tissue with multiprobe – effect of central cryoprobe, Heat and Mass Transfer, 50 (2014) 1751-1764.
Kumar, A, Panda, H S, Biswal, T K, and Appavuraj, R, Numerical study of flow around a conical nose with rounded tail projectile for subsonic, transonic, and supersonic flow regimes, Defence Science Journal, 64(6) (2014) 509-516.
Ramajayam, K K and Kumar, A, A novel approach to improve the efficacy of tumour ablation during cryosurgery, Cryobiology, 67 (2013) 201-213.
Devismita, D, Kumar, A, and Ramajayam, K K, Cryopreservation of human sperm: effect of cooling rate on intracellular ice formation, International Journal of Scientific and Engineering Research, 3(6) 1-4 (2012).
Sadanand, J, Kumar, A and Pramanik, K, Preparation and characterization of PVA based scaffold using improved salt leaching method, Journal of Biomaterials and Tissue Engineering, 2, 60-65 (2012).
Kumar, A and Das, M K, Flow characteristics of a plane wall jet and a parallel offset jet, Journal of Fluids Engineering, 133 (2011) 101201-1.
Kumar, A and Roy, S, Heat Transfer Characteristics During Melting of a Metal Spherical Particle in Its Own Liquid, International Journal of Thermal Sciences, 49, 2010, 397-408.
Kumar, A, Vegad, M and Roy, S, Onset of Unsteady Axisymmetric Laminar Natural Convection In A Vertical Cylindrical Enclosure Heated At the Wall, Heat and Mass Transfer, 46(4), 2010, pp. 421-429.
Kumar, A and Roy, S, Development of a theoretical process map for laser cladding using a three-dimensional conduction heat transfer model, Numerical Heat Transfer, Part A, 56, 2009, pp. 478-496.
Kumar, A and Roy, S, Melting of a steel spherical particle in its own liquid - application to cladding, Journal of Thermophysics and Heat Transfer, AIAA, 23 (4), 2009, 762-772.
Kumar, A and Roy, S, Effect of three-dimensional melt pool convection on process characteristics during laser cladding, Computational Materials Science, 46, 2009, pp. 495-506.
Kumar, A and Roy, S, Melting of a Solid Sphere Placed In An Infinite Medium - Effect of Forced Convection, Numerical Heat Transfer, Part A, 55(6) Jan. 2009, pp. 594-609.

Conference Papers:

Kumar, A and Roy, S, Numerical Simulation of Laminar Natural Convection In A Laterally Heated Vertical Cylindrical Enclosure With Application to Czochralski Crystal Growth - Unsteady Regimes, 18th National & 7th ISHMT-ASME Heat and Mass Transfer Conference, January 2006, IIT Guwahati, India.
Kumar, A and Roy, S, Melting of a Solid Sphere Placed In An Infinite Medium – Application to Cladding, 19th National & 8th ISHMT-ASME Heat and Mass Transfer Conference, January 2008, JNTU College of Engineering, India.
Jinna, S, Sah, M and Kumar, A, Development and biorelevant study of salt leached polyvinylalcohol (PVA) scaffolds, in: Proceedings of International Conference on Biomedical Engineering and Assistive Technologies, NIT Jalandhar, India, December 17-19, 2010, paper no.-BEATs2010_349.
Jinna, S, Kumar, A, and Pramanik, K, Cell deposition system through inkjet printer for tissue engineering applications, in: National Conference on Tissue Engineering: Prospects and Challenges, NIT Rourkela, India, January 21-22, 2011.
Chikanjuri, V R, Devismita, D and Kumar, A, Numerical simulation of freezing front propagation in a gelatin solution: Application to cryosurgery, in: Proceedings of International Conference on Biomedical Engineering and Assistive Technologies, NIT Jalandhar, India, December 17-19, 2010, paper no.- BEATs2010_210.
Devismita, D, Chikanjuri, V R and Kumar, A, Cryopreservation of equine sperm: effect of cooling rate on intracellular ice formation, in: Proceedings of International Conference of Mathematical Modelling and Applications to Industrial Problems (MMIP 2011), NIT Calicut, India, March 28-31, 2011.
Devismita, D, Kumar, A and Ramajayam, K K, Cryopreservation of human sperm: effect of cooling rate on intracellular ice formation, in: Proceedings of International Conference on Emerging Trends (ICET-2012), NIT Durgapur, India, March 23-25, 2012, paper no.- R3001.
Shah, D, Kumar, A, and Pal, K, Development of Antimicrobial organogels. International conference on Biomaterials Implant Devices and Tissue Engineering (BIDTE-2012), January 6-8, 2012.
Krishna, A, and Kumar, A, A novel approach for tumor necrosis using cryosurgery. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2012), IIT BHU, October 9-12, 2012.
Priyanka, Dewan, N, and Kumar, A, Effect of anisotropy and scattering coefficient on light distribution in a semi-infinite tissue. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2012), IIT BHU, October 9-12, 2012.
Kalanivas, L A, Ramajayam, K K, and Kumar, A, An analysis of heat transfer characteristics during cryoablation. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2012), IIT BHU, October 9-12, 2012.
Devismita, D, and Kumar, A, Effect of permeability parameters on the optimal cooling rate of biological systems. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2012), IIT BHU, October 9-12, 2012.
Dewan, N, Kumar, A, Effect of different laser beam profiles on thermal damage extent of basal cell carcinoma. in: Proceedings of International Conference on Biomedical Engineering and Assistive Technologies, NIT Jalandhar, India, December 6-7, 2012, paper no.- BEATs2012_108.
Devismita, D, Kumar, A, Effect of cryoprotectant on optimal cooling rate during cryopreservation. in: Proceedings of International Conference on Biomedical Engineering and Assistive Technologies, NIT Jalandhar, India, December 6-7, 2012, paper no.- BEATs2012_109.
Bhatt, K, Kumar, A, Effect of CaMKII on bistability of CamKII-PP1 molecular switch. in: Proceedings of International Conference on Biomedical Engineering and Assistive Technologies, NIT Jalandhar, India, December 6-7, 2012, paper no.- BEATs2012_110.
Yadav, S, Ramajayam, K K, and Kumar, A, A novel experimental technique to determine the thermal conductivity of tissue mimicking gel. 22^nd National and 11^th International ISHMT-ASME Heat and Mass Transfer Conference 2013, organized by IIT Kharagpur, India (accepted).
Ramajayam, K K and Kumar, A, A novel technique to improve cryosurgery process. 22^nd National and 11^th International ISHMT-ASME Heat and Mass Transfer Conference 2013, organized by IIT Kharagpur, India (accepted).
Hembram, S, Kumari, C, and Kumar, A, Experimental determination of convective heat transfer coefficient of tissue mimicking gel. 22^nd National and 11^th International ISHMT-ASME Heat and Mass Transfer Conference 2013, organized by IIT Kharagpur, India (accepted).
Kumari, S, Kumar, A, Numerical modeling of aqueous salt solution, 2nd International Conference in Tissue Engineering and Regenerative Medicine, November 2013, NIT Rourkela, India.
Kumar, A, Roy, S, Heat transfer modeling of laser cladding processs - role of location of injection of powder particles, 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT-2014), July 2014, Orlando, Florida.
Ramajayam, K K, Kumar, A, Sarangi, S K, Thirugnanam, A, Perfluorocarbons as a promising material for increasing efficacy of cryosurgery. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2014), IIT BHU, October, 2014.
Kumari, C, Kumar, A, Sarangi, S K, Thirugnanam, A, In-vitro skin tissue cooling using cryotherapy. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2014), IIT BHU, October, 2014.
Wadile, P, Kumar, A, A conjugate heat transfer analysis of laminar natural convection of air trapped in two dimensional enclosure. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2014), IIT BHU, October, 2014.
Chauhan, L, and Kumar, A, A numerical study of solidification at cryo-temperature. International Conference on Modeling and Simulation of Diffusive Processes and Applications (ICMSDPA-2014), IIT BHU, October, 2014.
Kumari, C, Kumar, A, Sarangi, S K, Thirugnanam, A, In-vitro skin temperature distribution during cryogen spray and histopathological study cooling using cryotherapy. Proceedings of the 23rd National Heat and Mass Transfer Conference and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference, 17-20 December, 2015, Thiruvananthapuram, India. (Best Paper Award)
Rajpuriya V, Kumar, A, Experimental and numerical studies of phase change phenomena at cryogenic temperature. Proceedings of the 23rd National Heat and Mass Transfer Conference and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference, 17-20 December, 2015, Thiruvananthapuram, India
Kumari, C, Kumar, A, Sarangi, S K, and Thirugnanam, A, An experimental and numerical study for cryogen spray cooling, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, 15th -17th December 2016, MNNITA, Allahabad, U. P., India.
Jhade, V, Pal, L, and Kumar, A, A numerical study of flow over a projectile, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, 15th -17th December 2016, MNNITA, Allahabad, U. P., India.
Kumar, M, Behera, S K, and Kumar, A, A numerical analysis of predicting flow pattern inside a turboexpander, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, 15th -17th December 2016, MNNITA, Allahabad, U. P., India.
Tom, S, and Kumar, A, Effect of wall thickness on turbulent natural convection inside the enclosure, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, 15th -17th December 2016, MNNITA, Allahabad, U. P., India.
Sanwal, S, and Kumar, A, Effect of roof inclination on the cooling capacity of the enclosure – a turbulent case, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, 15th -17th December 2016, MNNITA, Allahabad, U. P., India.
Sinha, V A, Ramajayam, K K, and Kumar, A, An experimental study on the cryosurgery of a tissue mimicking gel, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, 15th -17th December 2016, MNNITA, Allahabad, U. P., India.
Ramajayam, K K, Kumar, A, Sarangi, S K, Thirugnanam, A, A novel strategy to enhance the cryosurgical outcome in gel phantoms, CRYO 2016, 24th-27th July, 2016, Fairmount Chateau Laurier, Ottawa, Canada, Society for Cryobiology, UK.
Ramajayam, K K, Kumar, A, Kumari, C, Sarangi, S K, Thirugnanam, A, A new approach to improve the efficacy of cryosurgery in gel phantoms, CRYO 2017, 21th-24th July, 2017, Fengda International Hotel, Hefei, China.
Kumari, C, Kumar, A, Sarangi, S K, Thirugnanam, A, An experimental and numerical study on liquid nitrogen spray cooling for cryotherapy, CRYO 2017, 21th-24th July, 2017, Fengda International Hotel, Hefei, China.
Kumar, S, and Kumar, A, Computational study of fluid flow characteristics of a three dimensional offset jet, 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, 10th -12th December 2018, IIT Mumbai, India.
Kumar, S, Sarkar, J, and Kumar, A, Numerical analysis of a novel dual mode evaporative cooler, 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, 10th -12th December 2018, IIT Mumbai, India.
Sharma, V K, and Kumar, A, Numerical study on the cryosurgery of gel mimicking tissue phantoms, 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, 10th -12th December 2018, IIT Mumbai, India.
Singh, T P, Kumar, A, and Satapathy, A K, Study of fluid flow behaviour of two dimensional incompressible turbulent dual jet impinging on a wavy surface, 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, 10th -12th December 2018, IIT Mumbai, India.