Research interest

Broad research areas but not limited to...!

Multiphase flows

Exploring different multiphase flows using Eulerian-Eulerian and Eulerian-Lagrangian approach.

For more details:

S Harikrishnan, P S Mahapatra, Effect of liquid-air interface on particle cloud dynamics in viscous liquids, Physics of Fluids, 33 (2021), 063306.
S Harikrishnan, P S Mahapatra, Effect of aspect ratio on particle cloud dynamics in stagnant liquid, 2nd International Conference on Recent Advances in Fluid and Thermal Sciences (iCRAFT2020), BITS Pilani, Dubai, United Arab Emirates, 19-21 March 2021.

Convective heat transfer

Understanding the fundamental heat transfer mechanisms in various convective heat transfer cases

For more details:

S Harikrishnan, Shaligram Tiwari, Effect of top wall configuration on unsteady flow and heat transfer characteristics of sinusoidal wavy channels, Heat Transfer Engineering, 43 (2022), 1-15.
S Harikrishnan, Shaligram Tiwari, Unsteady flow and heat transfer characteristics of primary and secondary corrugated channels, ASME Journal of Heat Transfer, 142 (2020), 031803.
S Harikrishnan, Shaligram Tiwari, Heat transfer characteristics of sinusoidal wavy channel with secondary corrugations, International Journal of Thermal Science, 145 (2019), 105973.
Hemant Naik, S Harikrishnan, Shaligram Tiwari, Numerical investigations on heat transfer characteristics of curved rectangular winglet placed in a channel, International Journal of Thermal Science, 129 (2018), 489-503.
S Harikrishnan, Shaligram Tiwari, Effect of skewness on flow and heat transfer characteristics of a wavy channel, International Journal of Heat and Mass Transfer, 120 (2018), 956-969.

Flow transition

Exploring flow transition in different thermal engineering problems using modern tools

For more details:

S Harikrishnan, Prashant Kumar, Shaligram Tiwari, Flow transition in periodically fully developed wavy channels, Physics of Fluids, 33 (2021), 073605.
S Harikrishnan, Shaligram Tiwari, Unsteady characteristics of periodically fully developed flow in biconvex module of wavy channel, Recent Patents on Mechanical Engineering, 4 (2018), 326-331.
S Harikrishnan, Shaligram Tiwari, Effect of top wall configuration on unsteady flow and heat transfer characteristics of sinusoidal wavy channels, Heat Transfer Engineering, 43 (2022), 1-15.

Indoor air-conditioning

Investigations towards safe and efficient air-conditioning in indoor environments.

For more details:

S Harikrishnan, M Manish, Influence of Supply Inlet Jet Angle on Ventilating Respiratory Droplets from Makeshift Isolation Enclosures, In: Popat, K.C., Kanagaraj, S., Sreekanth, P.S.R., Kumar, V.M.R. (eds) Advances in Mechanical Engineering and Material Science. ICAMEMS 2022. Lecture Notes in Mechanical Engineering. Springer, Singapore.

In addition, I am also interested in adding newly developed numerical methods in open source CFD package OpenFOAM and documentation of OpenFOAM package. Following are my contributions in this area.

For more details:

T R Aditya, Nishit Pachpande, S. Harikrishnan, Numerical simulation of methane jet using OpenFOAM, IIT Bombay FOSSEE case study project, IIT Bombay, India, August 2024.
Mohamed Adnan K N, John Pinto, S. Harikrishnan, Implementing custom boundary conditions using 'codedFixedValue' boundary condition in OpenFOAM, IIT Bombay FOSSEE case study project, IIT Bombay, India, August 2024.
S Harikrishnan, Implementing streamwise periodic boundary condition in OpenFOAM, IIT Bombay FOSSEE case study project, IIT Bombay, India, March 2019.
S Harikrishnan, Shaligram Tiwari, Simulation of fully developed flow and heat transfer in wavy channels using OpenFOAM, International Conference on Recent Innovations and Developments in Mechanical Engineering, NIT Meghalaya, Shillong, India, November 8-10, 2018.

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