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Dr. Ajith Kumar S.

Asst. Professor

Dr. Ajith Kumar S. serves as Assistant Professor (Sl. Gr.) in the Department of Mechanical Engineering, Amrita School of Engineering, Amritapuri Campus.

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

Authors : Dr. Anil Lal S., Dr. Ajith Kumar S.

Publisher : Journal of Applied Fluid Mechanics,

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Sourav N. Kumar; H. Akhilesh Vishnu

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

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., A. Jeevan Sai; R. Balamurugan; Cedric Servant; Frederic Ravet

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

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

Year : 2016

Flow past a moderately heated horizontal cylinder at low Reynolds number

Authors : Dr. Ajith Kumar S., S. Anil Lal; A. Sameen

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

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.

Year : 2016

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

Authors : Dr. Ajith Kumar S., Manikandan Mathur; A. Sameen; S. Anil Lal

Publisher : Physics of Fluids,

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.

Year : 2013

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

Authors : Dr. Ajith Kumar S., Aswathy K. Nair, A. Sameen; S. Anil Lal

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

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.

Year : 2011

Influence of slip on flow past cylinder at low Reynolds number

Authors : Dr. Ajith Kumar S., S. Anil Lal, and A. Sameen

Publisher : Proc. IUTAM Symposium on Bluff Body Wakes

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.

Conference Proceedings

Year : 2019

Numerical Simulation On Flow Over Circular Cylinder with Heated Splitter Plate

Authors : Dr. Ajith Kumar S., Arun Vijay;

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

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Ravindra Prasad Govindu;

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

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Sujith Stephen; Sidharth;

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

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Akhil; Borra Mohan;

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

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.

Year : 2019

Numerical analysis on influence of propeller geometry in cavitation

Authors : Dr. Ajith Kumar S., Harikrishnan V.

Publisher : International Mechanical Engineering Congress (IMEC 2019)

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Manu Sivan

Publisher : International Conference on Thermofluids – 2020

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Sourav N. Kumar; Akhilesh Vishnu H.

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

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.

Year : 2019

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

Authors : Dr. Ajith Kumar S., Arunkumar K., Akhil S. Nair; Ajitkumar R.;

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

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.

Year : 2019

Numerical Simulation on Flow through a Double Forward Facing Step

Authors : Dr. Ajith Kumar S., Arun Vijay; Arjun; Sarath Raj;

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

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.

Year : 2018

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

Authors : Dr. Ajith Kumar S., A. Jeevan Sai; Balamurugan R.; Cedric Servant; Frederic Ravet .

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

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.

Year : 2018

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

Authors : Dr. Ajith Kumar S., A. Sameen; S. Anil Lal

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

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.

Year : 2018

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

Authors : Dr. Ajith Kumar S., Sanju Santhosh.

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

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.

Year : 2018

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

Authors : Dr. Ajith Kumar S., Manu Sivan

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

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.

Year : 2018

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

Authors : Dr. Ajith Kumar S., D. J. Ranjith; K. Sreenath.

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

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.

Year : 2016

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

Authors : Dr. Ajith Kumar S., Mekha M. Menon; A. P. Sayooj; A. Sameen; S. Anil Lal

Publisher : p.565-568 (2016)

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.

Year : 2014

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

Authors : Dr. Ajith Kumar S., . A. Sameen, and S. Anil Lal

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

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.

Year : 2014

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

Authors : Dr. Ajith Kumar S., Aswathy K. Nair, A. Sameen; S. Anil Lal

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

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.

Year : 2014

Three dimensional wake transition of flow past a heated cylinder

Authors : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal

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

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.

Year : 2014

Influence of hydrophobic surface on flow past circular cylinder

Authors : Dr. Ajith Kumar S., Aparna Prabhakaran; Parvathavardhini;

Publisher : International Conference on Materials Mechanics and Management

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.

Year : 2014

A Numerical Study on Dynamics of Heat transfer in Electronic Cooling

Authors : Dr. Ajith Kumar S., R. R.

Publisher : International Conference on Materials Mechanics and Management

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.

Year : 2013

Spanwise plumes in wakes behind heated cylinder

Authors : Dr. Ajith Kumar S., S. Anil Lal; A. Sameen

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

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.

Year : 2011

Flow past a moderately heated horizontal cylinder at low Reynolds number

Authors : Dr. Ajith Kumar S., A. Sameen, and S. Anil Lal

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

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.

Year : 2010

Studies on Flow Past A Horizontal Cylinder At Low Reynolds Number

Authors : Dr. Ajith Kumar S., A. Sameen; S. Anil Lal

Publisher : IMMM

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.

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