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Dr. Ajith Kumar S.

Asst. Professor, Mechanical Engineering, School of Engineering, Amritapuri

Qualification: B-Tech, M.Tech, Ph.D
ajithkumars@am.amrita.edu

Bio

Dr. Ajith Kumar S. currently serves as Assistant Professor (Sl. Gr.) in the Department of Mechanical Engineering, School of Engineering, Amrita Vishwa Vidyapeetham, Amritapuri Campus. He obtained his Ph.D. from the Department of Aerospace Engineering, Indian Institute of Technology Chennai. He has two Postdoc fellowships from Nanyang Technological University (NTU), Singapore and Indian Institute of Technology Chennai. He is presently involved in guiding three doctoral students and has guided more than ten M.Tech and fourteen B.Tech. projects.

Dr. Ajith’s research interests spread in vast areas; aerodynamics, Computational Fluid Dynamics (CFD), turbulence, data-driven methods in fluid dynamics, bluff body flows at low Reynolds numbers, magneto-hydrodynamics, non-Newtonian fluid dynamics, thermal convection problems, etc. are few to name.

Publications

Journal Article

Year : 2021

Effects of Prandtl Number on Three Dimensional Coherent Structures in the Wake behind a Heated Cylinder

Cite this Research Publication : Dr. Anil Lal S. and S, A. Kumar, “Effects of Prandtl Number on Three Dimensional Coherent Structures in the Wake behind a Heated Cylinder”, Journal of Applied Fluid Mechanics, vol. 14, pp. 515-526, 2021.

Publisher : Journal of Applied Fluid Mechanics,

Year : 2019

Influence of Extending the Height on the Vortex Structures Generated Inside A Lid Driven Cavity

Cite this Research Publication : Sourav N. Kumar, H. Akhilesh Vishnu, and Dr. Ajith Kumar S., “Influence of Extending the Height on the Vortex Structures Generated Inside A Lid Driven Cavity”, IOP Conference Series: Materials Science and Engineering, vol. 577, p. 012151, 2019.

Publisher : IOP Conference Series: Materials Science and Engineering, IOP Publishing,

Year : 2019

Applying ECFM combustion model to spark ignition engine, comparison with experimental data

Cite this Research Publication : J. A. Sai, Balamurugan, R., Servant, C., Ravet, F., and Dr. Ajith Kumar S., “Applying ECFM Combustion Model to Spark Ignition Engine, Comparison with Experimental Data”, Advances in Fluid and Thermal Engineering- Part of the Lecture Notes in Mechanical Engineering book series (LNME), pp. 729-741, 2019

Publisher : Advances in Fluid and Thermal Engineering- Part of the Lecture Notes in Mechanical Engineering book series (LNME), Springer Singapore,

Year : 2016

Flow past a moderately heated horizontal cylinder at low Reynolds number

Cite this Research Publication : Dr. Ajith Kumar S., S. Anil Lal, and A. Sameen, “Flow past a moderately heated horizontal cylinder at low Reynolds number”, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, vol. 230, no. 7, pp. 1224-1239 , 2016.

Publisher : Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Volume 230, Issue 7, p.1224-1239 (2016)

Year : 2016

Effects of Prandtl number on the laminar cross flow past a heated cylinder

Cite this Research Publication : Dr. Ajith Kumar S., Manikandan Mathur, A. Sameen, and S. Anil Lal, “Effects of Prandtl number on the laminar cross flow past a heated cylinder”, Physics of Fluids, vol. 28, no. 11, p. 113603, 2016.

Publisher : Physics of Fluids,

Year : 2013

Effect of Prandtl number on Heat Transfer In Flow Past A heated cylinder

Cite this Research Publication : Aswathy Nair K., Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Effect of Prandtl number on Heat Transfer In Flow Past A heated cylinder”, International Journal of Innovative Research in Science, Engineering and Technology, vol. 2, no. 1, pp. 416-421 , 2013.

Publisher : International Journal of Innovative Research in Science, Engineering and Technology,

Year : 2011

Influence of slip on flow past cylinder at low Reynolds number

Cite this Research Publication : Dr. Ajith Kumar S., S. Anil Lal, and A. Sameen, “Influence of slip on flow past cylinder at low Reynolds number”, Proc. IUTAM Symposium on Bluff Body Wakes, Kanpur, India, S. Mittal and G. Biswas (Ed.) , vol. 1, pp. 275-278, 2011.

Publisher : Proc. IUTAM Symposium on Bluff Body Wakes

Conference Proceedings

Year : 2019

Numerical Simulation On Flow Over Circular Cylinder with Heated Splitter Plate

Cite this Research Publication : A. Vijay and Dr. Ajith Kumar S., “Numerical Simulation On Flow Over Circular Cylinder with Heated Splitter Plate”, 12st International Conference on Thermal Engineering: Theory and Applications (ICTEA 2019) . 2019.

Publisher : 12st International Conference on Thermal Engineering: Theory and Applications (ICTEA 2019)

Year : 2019

Numerical Study on Mixed Convective Laminar Flow over Backward Facing Inclined Step

Cite this Research Publication : R. Prasad Govindu and Dr. Ajith Kumar S., “Numerical Study on Mixed Convective Laminar Flow over Backward Facing Inclined Step”, 12st International Conference on Thermal Engineering: Theory and Applications (ICTEA 2019), (2018). 2019.

Publisher : 12st International Conference on Thermal Engineering: Theory and Applications (ICTEA 2019),

Year : 2019

Numerical Studies on Flow Past Top Surface Cooled Circular Cylinder at Low Reynolds Number

Cite this Research Publication : Sujith Stephen, Sidharth, and Dr. Ajith Kumar S., “Numerical Studies on Flow Past Top Surface Cooled Circular Cylinder at Low Reynolds Number”, International Conference on Advances in Materials and Manufacturing Applications (IConAMMA 2019) , Amrita Vishwa Vidyapeetham, Bangalore . 2019.

Publisher : International Conference on Advances in Materials and Manufacturing Applications (IConAMMA 2019)

Year : 2019

Study of Non – premixed combustion of Propane and Methane using CFD

Cite this Research Publication : Akhil, Mohan, B., and Dr. Ajith Kumar S., “Study of Non – premixed combustion of Propane and Methane using CFD”, International Conference on Advances in Materials and Manufacturing Applications (IConAMMA 2019) , Amrita Vishwa Vidyapeetham, Bangalore. 2019.

Publisher : International Conference on Advances in Materials and Manufacturing Applications (IConAMMA 2019

Year : 2019

Numerical analysis on influence of propeller geometry in cavitation

Cite this Research Publication : H. V. and Dr. Ajith Kumar S., “Numerical analysis on influence of propeller geometry in cavitation”, International Mechanical Engineering Congress (IMEC 2019) , National Institute of Technology Trichy (2019). 2019.

Publisher : International Mechanical Engineering Congress (IMEC 2019)

Year : 2019

Numerical study on flow over two inline triangular cylinders Influence of gap ratio on vortex shedding (Accepted)

Cite this Research Publication : M. Sivan and Dr. Ajith Kumar S., “Numerical study on flow over two inline triangular cylinders Influence of gap ratio on vortex shedding (Accepted)”, International Conference on Thermofluids – 2020 , Kalinga Institute of Industrial technology. 2019.

Publisher : International Conference on Thermofluids – 2020

Year : 2019

Numerical studies to improve the aerodynamic efficiency of an airfoil using delta-shaped surface protrusions

Cite this Research Publication : Sourav N. Kumar, H., A. Vishnu, and Dr. Ajith Kumar S., “Numerical studies to improve the aerodynamic efficiency of an airfoil using delta-shaped surface protrusions”, International Conference on Applied Mechanics and Optimisation (ICAMeO 2019) , Mar Baselios College of Engineering And Technology Thiruvananthapuram . 2019.

Publisher : International Conference on Applied Mechanics and Optimisation (ICAMeO 2019)

Year : 2019

Aerodynamic characteristics of a square cylinder: Effect of dissimilar leading edges (Accepted)

Cite this Research Publication : A. S. Nair, K., A., R., A., and Dr. Ajith Kumar S., “Aerodynamic characteristics of a square cylinder: Effect of dissimilar leading edges (Accepted)”, KIIT THERMO-2020, an International Conference on Thermofluids-2020 , Kalinga Institute of Industrial technology. 2019.

Publisher : KIIT THERMO-2020, an International Conference on Thermofluids-2020

Year : 2019

Numerical Simulation on Flow through a Double Forward Facing Step

Cite this Research Publication : A. Vijay, ,, Raj, S., and Dr. Ajith Kumar S., “Numerical Simulation on Flow through a Double Forward Facing Step”, International Conference on Applied Mechanics and Optimisation (ICAMeO 2019) , Mar Baselios College of Engineering And Technology Thiruvananthapuram (2019). 2019.

Publisher : International Conference on Applied Mechanics and Optimisation (ICAMeO 2019)

Year : 2018

Applying ECFM combustion model to spark ignition engine, comparison with experimental data

Cite this Research Publication : J. A. Sai, R., B., Servant, C., Ravet, F., and Dr. Ajith Kumar S., “Applying ECFM combustion model to spark ignition engine, comparison with experimental data”, 1st International Conference on Future Learning Aspects of Mechanical Engineering (FLAME - 2018) , Amity University, Noida . 2018.

Publisher : 1st International Conference on Future Learning Aspects of Mechanical Engineering (FLAME - 2018) , Amity University, Noida .

Year : 2018

Effects of Prandtl number on three dimensional “mushroom structures” in the wake behind a heated cylinder

Cite this Research Publication : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Effects of Prandtl number on three dimensional “mushroom structures” in the wake behind a heated cylinder”, 7th International & 44th National Conference on fluid flow and fluid power(FMFP-2018) , IIT Bombay (2018). 2018.

Publisher : 7th International & 44th National Conference on fluid flow and fluid power(FMFP-2018) , IIT Bombay .

Year : 2018

Effects of Buoyancy on the Reattachment Length in Flow over Heated Vertical Backward Facing Step

Cite this Research Publication : Sanju Santhosh and Dr. Ajith Kumar S., “Effects of Buoyancy on the Reattachment Length in Flow over Heated Vertical Backward Facing Step”, The Eleventh International Conference on Thermal Engineering-Theory and Applications - ICTEA 2018, Doha - Qatar. 2018.

Publisher : The Eleventh International Conference on Thermal Engineering-Theory and Applications - ICTEA 2018, Doha - Qatar.

Year : 2018

Effects of orientation on the aerodynamic characteristics of flow over an equilateral triangular cylinder

Cite this Research Publication : M. Sivan and Dr. Ajith Kumar S., “Effects of orientation on the aerodynamic characteristics of flow over an equilateral triangular cylinder”, 44th National Conference on fluid flow and fluid power (FMFP-2017) , Amrita Vishwa Vidyapeetham, Amritapuri, Kollam . 2018.

Publisher : 44th National Conference on fluid flow and fluid power (FMFP-2017) , Amrita Vishwa Vidyapeetham, Amritapuri, Kollam.

Year : 2018

Studies of vortex structure formed inside a lid driven Cavity-Influence of extending length of cavity

Cite this Research Publication : D. J. Ranjith, Sreenath, K., and Dr. Ajith Kumar S., “Studies of vortex structure formed inside a lid driven Cavity-Influence of extending length of cavity”, International Conference on Advances in Materials and Manufacturing Applications (IConAMMA 2018), Amrita Vishwa Vidyapeetham, Bangalore . 2018.

Publisher : International Conference on Advances in Materials and Manufacturing Applications (IConAMMA 2018), Amrita Vishwa Vidyapeetham, Bangalore.

Year : 2016

The effect of surface temperature on the vortex shedding in flow past circular cylinder

Cite this Research Publication : Dr. Ajith Kumar S., Mekha M. Menon, A. P. Sayooj, A. Sameen, and S. Anil Lal, “The effect of surface temperature on the vortex shedding in flow past circular cylinder”. pp. 565-568, 2016.

Publisher : p.565-568 (2016)

Year : 2014

Transition of three dimensional wake of a flow past a heated cylinder

Cite this Research Publication : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Transition of three dimensional wake of a flow past a heated cylinder”, IUTAM symposium on ”multiphase flows with phase change, challenges and oppurtunities” , Hyderabad, India. 2014.

Publisher : IUTAM symposium on ”multiphase flows with phase change, challenges and oppurtunities”

Year : 2014

Self-similar profiles of boundary layer flows over porous laminated flat plate

Cite this Research Publication : Aswathy Nair K., Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Self-similar profiles of boundary layer flows over porous laminated flat plate”, 67th Annual Meeting of the American Physical Society Division of Fluid Dynamics , San Francisco, CA, USA . 2014.

Publisher : 67th Annual Meeting of the American Physical Society Division of Fluid Dynamics

Year : 2014

Three dimensional wake transition of flow past a heated cylinder

Cite this Research Publication : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Three dimensional wake transition of flow past a heated cylinder”, IUTAM symposium on ”Advances in computation, modeling and control of transitional and turbulent flows” , Goa, India. 2014.

Publisher : IUTAM symposium on ”Advances in computation, modeling and control of transitional and turbulent flows”

Year : 2014

Influence of hydrophobic surface on flow past circular cylinder

Cite this Research Publication : Aparna Prabhakaran, Parvathavardhini, , and Dr. Ajith Kumar S., “Influence of hydrophobic surface on flow past circular cylinder”, International Conference on Materials Mechanics and Management . Trivandrum, 2014.

Publisher : International Conference on Materials Mechanics and Management

Year : 2014

A Numerical Study on Dynamics of Heat transfer in Electronic Cooling

Cite this Research Publication : R. R. and Dr. Ajith Kumar S., “Numerical Study on Dynamics of Heat transfer in Electronic Cooling”, International Conference on Materials Mechanics and Management (IMMM) , Trivandrum, India. 2014.

Publisher : International Conference on Materials Mechanics and Management

Year : 2013

Spanwise plumes in wakes behind heated cylinder

Cite this Research Publication : Dr. Ajith Kumar S., S. Anil Lal, and A. Sameen, “Spanwise plumes in wakes behind heated cylinder”, 66th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Pittsburgh, Pennsylvania . 2013.

Publisher : 66th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Pittsburgh, Pennsylvania

Year : 2011

Flow past a moderately heated horizontal cylinder at low Reynolds number

Cite this Research Publication : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Flow past a moderately heated horizontal cylinder at low Reynolds number”, 64th Annual Meeting of the American Physical Society Division of Fluid Dynamics , Baltimore, USA . 2011.

Publisher : 64th Annual Meeting of the American Physical Society Division of Fluid Dynamics

Year : 2010

Studies on Flow Past A Horizontal Cylinder At Low Reynolds Number

Cite this Research Publication : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal, “Studies on Flow Past A Horizontal Cylinder At Low Reynolds Number”, International Conference on Materials Mechanics and Management (IMMM), Trivandrum, India. 2010.

Publisher : IMMM

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