東京大学生産技術研究所　長谷川研究室

KUMAR Prashant （クマー プラシャント）

特任研究員
東京大学生産技術研究所

居室: De201
TEL&FAX: +81-(0)3-5452-6171 (EXT: 56171)
E-mail: prashant@iis.u-tokyo.ac.jp

The English page is here.

経歴

    Ph.D.: Mechanical Engineering, IIT, Madras, India, July 2015 - September 2020.

    M.S: Mechanical Engineering, IIT, Madras, India, July 2015 - September 2020.

    B.Tech: Mechanical Engineering., NIT Hamirpur, Himachal Pradesh, India, 2010 - 2014

研究テーマ

Shape/ Topology Optimization, Bio-fluids, Fluid-structure interaction

学術論文

• Biswal S. K., Kumar P. and Tiwari S., “Vortex-induced vibration of a heated circular cylinder at low Reynolds number: flow and thermal characteristics”, Journal of Flow Visualization and Image Processing, 30, 69-86 (2023), DOI: https://doi.org/10.1615/JFlowVisImageProc.2022040478.
• Kumar P. and Tiwari S., “Effect of cross-confinement on unsteady wake characteristics of circular cylinder immersed in shear flow”, Progress in Computational Fluid Dynamics, 21, 195-208 (2021), DOI: https://doi.org/10.1504/PCFD.2021.116525.
• Kumar P. and Tiwari S., “Effect of axis ratio on unsteady wake of surface mounted elliptic cylinder immersed in shear flow”, Fluid Dynamics Research, 53, 045502 (2021), DOI: https://doi.org/10.1088/1873-7005/ac105e.
• Kumar P. and Tiwari S., “Effects of size ratio and inter-cylinder spacing on wake transition in flow past finite inline circular cylinders mounted on plane surface”, Physics of Fluids, 33, 023602 (2021), DOI: https://doi.org/10.1063/5.0037712.
• Harikrishnan S., Kumar P. and Tiwari S., “Flow transition in periodically fully developed wavy channels”, Physics of Fluids, 33, 073605 (2021) (Selected as Editor’s pick), DOI: https://doi.org/10.1063/5.0053003.
• Kumar P. and Tiwari S., “Effects of size and position of upstream cylinder on wake transition in flow past two inline square cylinders”, Journal of Flow Visualization and Image Processing, 27, 143-184 (2020), DOI: http://doi.org/10.1615/JFlowVisImageProc.2020030992.
• Kumar P. and Tiwari S., “Wake transition for surface mounted rectangular cylinder due to incoming shear flow”, International Journal of Heat and Fluid Flow, 85, 108614, (2020), DOI: https://doi.org/10.1016/j.ijheatfluidflow.2020.108614.
• Kumar P. and Tiwari S., “Effect of incoming shear on unsteady wake in flow past surface mounted polygonal prism”, Physics of Fluids, 31, 113607 (2019), DOI: https://doi.org/10.1063/1.5123672.
• Kumar P., Manelil N. P. and Tiwari S., “Effects of shear intensity and aspect ratio on three-dimensional wake characteristics of flow past surface mounted circular cylinder”, Physics of Fluids, 31, 043602 (2019) (Selected as Featured article), DOI: https://doi.org/10.1063/1.5081795.
• Mithun M. G., Kumar P. and Tiwari S., “Numerical investigations on unsteady flow past two identical inline square cylinders oscillating transversely with phase difference”, Journal of Applied Fluid Mechanics, 11, 847-859 (2018), DOI: http://doi.org/10.29252/jafm.11.04.28314.

講演論文（国際会議）

• Kumar P., Chen D. and Hasegawa Y., “Application of volume penalization method to topology optimization of turbulent teat transfer surface in OpenFOAM”, Proceedings of the JSME Thermal Engineering Conference, University of Tokyo, Tokyo, Japan, October 08-09, 2022,
• Chen D., Kumar P. and Hasegawa Y., “Topology optimization of conjugate heat transfer systems using a customized optimizer in OpenFOAM”, Proceedings of the JSME Thermal Engineering Conference, University of Tokyo, Tokyo, Japan, October 08-09, 2022,
• Kumar A., Kumar P. and Tiwari S., “Effect of inlet pulsation frequency on unsteady wake of a finite height surface mounted circular cylinder”, proceedings of the 23^rd Australasian Fluid Mechanics Conference - 23AFMC, Sydney, Australia, December 4-8, 2022.
• Biswal S. K., Kumar P.  and Tiwari S., “On dynamic and heat transfer characteristics of elastically mounted heated circular cylinder undergoing VIV”, Proceedings of the 48^th National Conference on Fluid Mechanics and Fluid Power (FMFP-2021), BITS Pilani, Pilani Campus, RJ, India, December 27-29, 2021.
• Kumar P., Biswal S. K. and Tiwari S., “Effect of side blockage on unsteady wake characteristics in flow past surface mounted circular cylinder”, proceedings of the 8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP-2020), IIT Guwahati, Guwahati, India, December 09-11, 2020.
• Biswal S. K., Kumar P. and Tiwari S., “Effects of blockage and mass ratios on vortex induced vibration of a square cylinder”, proceedings of the 8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP-2020), IIT Guwahati, Guwahati, India, December 09-11, 2020.
• Kumar P. and Tiwari S., “Unsteady wake characteristics in flow past two inline surface mounted circular cylinders”, in ASTFE digital library (10.1615/TFEC2019.cmd.028455), 4th Thermal and Fluids Engineering Conference (TFEC), Las Vegas, NV, USA, April 14-17, 2019.
• Kumar P. and Tiwari S., “Effect of angle of incidence on unsteady wake characteristics for flow past surface mounted square cylinder”, proceedings of the 46th National Conference on Fluid Mechanics and Fluid Power (FMFP-2019), PSG College of Technology, Coimbatore, India, December 9-11, 2019.
• Kumar P. and Tiwari S., “Three-dimensional unsteady wake characteristics of rectangular cylinder”, in Journal of Physics: Conference Series (http://doi.org/10.1088/1742-6596/1240/1/012060), 2nd International Conference on New Frontiers in Engineering, Science and Technology (NFEST-2019), NIT Kurukshetra, Kurukshetra, Haryana, India, February 18-22, 2019.
• Kumar P. and Tiwari S., “Effect of size and location of upstream cylinder on transitional characteristics behind downstream cylinder”, proceedings of the 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP-2018), IIT Bombay, Mumbai, India, December 10-12, 2018.
• Chikine R., Kumar P., Tiwari S. and Sundararajan T., “Numerical investigations on unsteady wakes of longitudinally oscillating tandem square cylinders”, proceedings of the 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP-2018), IIT Bombay, Mumbai, India, December 10-12, 2018.
• Naik H., Kumar P. and Tiwari S., “Effect of location of winglet pair on flow and heat transfer in flow past surface-mounted cylinder”, proceedings of the 1^st International Conference on Mechanical Engineering (INCOM 2018), Jadavpur Univesity, Kolkata, India, January 4-6, 2018.
• Das A., Kumar P. and Tiwari S., “Low speed aerodynamics of pitching airfoil”, proceedings of the 1^st International Conference on Mechanical Engineering (INCOM 2018), Jadavpur University, Kolkata, India, January 4-6, 2018.
• Kumar P. and Tiwari S., “Characteristics of unsteady wake for flow past two inline square cylinders”, proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power (FMFP-2017), Amrita University, Amritapuri Campus, Kollam, Kerala, India, December 14-16, 2017.
• Naik H., Kumar P. and Tiwari S., “Flow structure around a surface-mounted finite height circular cylinder”, proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power (FMFP-2017), Amrita University, Amritapuri Campus, Kollam, Kerala, India, December 14-16, 2017.
• Dhaka P., Kumar P. and Awale A., “Finite element simulation of acoustic wave propagation behaviour in snow”, proceedings of the International Conference on Science and Technology (ICST-2014), S B Patil College of Engineering Indapur, Pune, India, February 21-22, 2014.