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Dr. Ajith Kumar R.

Professor, Mechanical Engineering, School of Engineering, Amritapuri

Qualification: PhD, Post-Doc Fellowships
r_ajithkumar@am.amrita.edu
https://orcid.org/my-orcid?orcid=0000-0001-6264-3085
Google Scholar Profile
Scopus Id
Research Interest: Fluid Structure Interaction, Turbomachines, Vortex flows, Desalination, Solar Air Heaters
Date of Joining: 01/07/2012
Nature of Association: Contract

Bio

Dr. Ajith Kumar R. currently serves as Professor at the Department of Mechanical Engineering at Amrita School of Engineering, Amritapuri. Dr. Ajith Kumar received his M Tech and Ph. D. from IIT, Madras. He also pursued his post-doctoral research studies at Kyungpook National University, South Korea and University of Michigan, Ann Arbor.
He has reviewed many articles of the following journals.

1. Journal of Experimental Thermal and Fluid Science
2. Mechanical Systems and Signal Processing
3. Journal of Sound and Vibration
4. Journal of Vibration & Control
5. Journal of Recent Patents on Mechanical Engineering
6. Journal of Fluids & Structures
7. Ocean Engineering
8. European Journal of Part B/Fluids
9. Journal of Wind Engineering and Industrial Aerodynamics
10. Journal of Ocean Engineering and Marine Energy

Publications

Journal Article

Year : 2023

An experimental investigation on upward solar air heater with impinging air jets

Cite this Research Publication : Harikrishnan, M., Ajithkumar, R., Ajithkumar, S., Baby, R. "An experimental investigation on upward solar air heater with impinging air jets", Journal of Mechanical Science and Technology, 2023, 37(1), pp. 501–509

Year : 2013

Enhancement of flow-induced motion of rigid circular cylinder on springs by localized surface roughness at 3$times$ 10 4≤ Re≤ 1.2$times$ 10 5

Cite this Research Publication : H. Park, R Kumar, A., and Bernitsas, M. M., “Enhancement of flow-induced motion of rigid circular cylinder on springs by localized surface roughness at 3$\times$ 10 4≤ Re≤ 1.2$\times$ 10 5”, Ocean Engineering, vol. 72, pp. 403–415, 2013.

Publisher : Ocean Engineering

Year : 2012

Selective Roughness in the Boundary Layer to Suppress Flow-Induced Motions of Circular Cylinder at 30,000

Cite this Research Publication : Ha Park, Bernitsas, M. Mab, and Kumar, Rbc Ajith, “Selective Roughness in the Boundary Layer to Suppress Flow-Induced Motions of Circular Cylinder at 30,000

Publisher : Journal of Offshore Mechanics and Arctic Engineering

Year : 2011

VIV and galloping of single circular cylinder with surface roughness at 3.0×10 4≤Re≤1.2×10 5

Cite this Research Publication : C. - Ca Chang, Kumar, Rab Ajith, and Bernitsas, M. Mac, “VIV and galloping of single circular cylinder with surface roughness at 3.0×10 4≤Re≤1.2×10 5”, Ocean Engineering, vol. 38, pp. 1713-1732, 2011.

Publisher : Ocean Engineering

Year : 2009

Safety analysis on a vibrating prismatic body: A data-mining approach

Cite this Research Publication : Va Sugumaran, Kumar, Rab Ajith, Gowda, B. H. Lb, and Sohn, C. Hb, “Safety analysis on a vibrating prismatic body: A data-mining approach”, Expert Systems with Applications, vol. 36, pp. 6605-6612, 2009.

Publisher : Expert Systems with Applications

Conference Paper

Year : 2011

Multi-cylinder Flow-Induced Motions: Enhancement by Passive Turubulence Control at 28,000Re120,000

Cite this Research Publication : E. Sa Kim, Bernitsas, M. Mbc, and Kumar, R. Abd, “Multi-cylinder Flow-Induced Motions: Enhancement by Passive Turubulence Control at 28,000

Publisher : Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE

Year : 2011

Selective roughness in the boundary layer to suppress flow-induced motions of circular cylinder at 30,000

Cite this Research Publication : Ha Park, Bernitsas, M. Mab c, and Kumar, R. Abd, “Selective roughness in the boundary layer to suppress flow-induced motions of circular cylinder at 30,000

Publisher : OMAE

Workshop
  • Organising Secretary: FMFP-2017, Amrita Vishwa Vidyapeetham, Amritapuri Campus
  • Conference Session Chair(a) 6th International and 43rd National Conference on Fluid Mechanics & Fluid Power, December 15-17, 2016, MNNIT, Allahabad (Chaired Sessions). (b) National Conference LAMSYS-2016, June 24-25, ISRO, Sriharikota (Co-Chaired Sessions).
Membership
  • Life Member, Aeronautical Society of India
  • Life Member, Fluid Mechanics and Fluid Power Society of India
  • Life Member, SIESRP.
  • ASME Member (Membership to be renewed)
Recognitions

Awards

  • Best Paper Award: For the paper titled ‘Design and Characterisation of propellers for fixed wing mini UAV’, 44th National Conference on Fluid Mechanics and Fluid Power (FMFP 2017), December 14th -16th, 2017, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kerala, India. (authored by Rahul Vishwam, Parag Deshpande, Roshan Antony and R Ajith Kumar.
  • Best Thesis Award (for guided M Tech Thesis): For the M Tech project guided titled ‘Effect of corner radius on aeroelastic instabilities of square section cylinders’ in the year 2008 by the Indian Society of Wind Engineering.

Conferences

  • Aerodynamic Characteristics of an Inclined Square Cylinder with Corner Fins Amith, D. , Sarath Mohan, C. , Hariprasad, C.M. , Ajith Kumar, R. Lecture Notes in Mechanical Engineering, 2024, pp. 19–29
  • Fluid–Structure Interaction Analysis in an Atherosclerosis Carotid Artery Pillai, G.M. , Jayakumar, J.S. , Kumar, R.A. Lecture Notes in Mechanical Engineering, 2022, pp. 23–35
  • Vortex Formation in Liquid Columns During Draining: Influence of Drain Port Geometry Harikrishnan, M.R. , Prabhu, M. , Ajith Kumar, R. Lecture Notes in Mechanical Engineering, 2021, pp. 477–485
  • Aerodynamic Characteristics of a Square Cylinder: Effect of Dissimilar Leading Edges Nair, A.S. , Kumar, S.A. , Kumar, K.A. , Kumar, R.A. Lecture Notes in Mechanical Engineering, 2021, 29, pp. 189–197
  • Vortex Formation During Liquid Draining from a Cylindrical Tank with Conical Bottom—A Numerical Study Sreenath, K. , Prabhu, M. , Ajith Kumar, R. , Jayakumar, J.S. , Joshy, P.J. Lecture Notes in Mechanical Engineering, 2021, pp. 83–93
  • Effect of selectively applied surface roughness and wake splitter plate on the aerodynamic characteristics of a circular cylinder Sivadas, S. , Kumar, K.A. , Ajith Kumar, R. Lecture Notes in Mechanical Engineering, 2019, pp. 697–705
  •  Flow around curved plates at low subcritical reynolds number: Investigation of wake characteristics Anil, A. , ArunKumar, K. , Ajith Kumar, R. , Hariprasad, C.M. , Mani, T. Lecture Notes in Mechanical Engineering, 2019, pp. 811–819
  • Vortexing behaviour during draining of a liquid through two unequally eccentric drain ports in cylindrical tanks Kiran, S. , Warrier, R. , Mouli, B.S.N.V. , Harisankar, S. , Ajith Kumar, R. Lecture Notes in Mechanical Engineering, 2019, pp. 669–678
  • Mixing studies in turbulent oxy-methane jets with and without reaction Tamal, J. , Srikrishnan, A.R. , Deependran, B. , Ajith Kumar, R. Lecture Notes in Mechanical Engineering, 2019, pp. 707–718
  • Effect of corner-arc on the flow structures around a square cylinder Many, H.C. , Srinivasan, V.C. , Raghavan, A.K. American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, 2018
  • Vortexing during draining through twin drain ports in a cylindrical tank Gopikrishnan, T.H. , Anandakrishnan, U. , Kiran, A.S. , Ajith, K.R. , Anith, T.A. 2nd International Conference for Convergence in Technology, I2CT, 2017, January, pp. 325–330
  • Flow past a curved plate: Wake vortex characteristics Murali, D. , Balu, H.K.H. , Arunkumar, K. , Ajith Kumar, R, 2nd International Conference for Convergence in Technology, I2CT, 2017, January, pp. 318–324
  • Aerodynamic characteristics of a square section cylinder: Effect of corner arc Chandar, S.V. , Sarath, R.S. , Ajith Kumar, R. 2nd International Conference for Convergence in Technology, I2CT, 2017, January, pp. 814–819
  • Combined Effect of Surface Roughness and Wake Splitter Plate on the Aerodynamic Characteristics of a Circular Cylinder Saisanthosh, I. , Arunkumar, K. , Ajithkumar, R. , Srikrishnan, A.R. IOP Conference Series: Materials Science and Engineering, 2017, 234(1), 012007
  • Numerical analysis of effects of turbine blade tip shape on secondary losses Sarath, R.S. , Ajith Kumar, R. , Prasad, B.V.S.S.S. , Srikrishnan, A.R. Lecture Notes in Mechanical Engineering, 2017, pp. 871–879
  • Interference between a square and a circular cylinder Kumar, N.S. , Kumar, R.A. , Mohan, J. ASME/JSME/KSME 2015 Joint Fluids Engineering Conference, AJKFluids 2015
  • Near-wake flow structures of a corner-chamfered square cylinder at higher harmonic excitations Aswathy, M.S. , Amrita, K.K. , Hariprasad, C.M. , Kumar, R.A. ASME/JSME/KSME 2015 Joint Fluids Engineering Conference, AJKFluids 2015, 2015,
  • CFD analysis to investigate the effect of vortex generators on a transonic axial flow compressor stage Rajendran, A.K. , Shobhavathy, M.T. , Kumar, R.A. ASME 2015 Gas Turbine India Conference, GTINDIA 2015, 2015
  • · Effect of corner cut on the near wake flow structures of a square cylinder Many, H.C. , Yashwanth, N. , Bhardwaj, H. , Kumar, R.A. , Gowda, B.H.L. ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2014, 2014, 2
  • Effect of dissimilar leading edges on the flow structures around a square cylinder Nair, A.K. , Kumar, R.A. , Many, H.C. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, 2014, 4
  • Multi-cylinder Flow-Induced Motions: Enhancement by Passive Turubulence Control at 28,000<Re<120,000 Kim, E.S. , Bernitsas, M.M. , Kumar, R.A. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering – OMAE, 2011, 7, pp. 249–260
  • Selective roughness in the boundary layer to suppress flow-induced motions of circular cylinder at 30,000<Re<120,000 Park, H. , Bernitsas, M.M. , Kumar, R.A. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering – OMAE, 2011, 7, pp. 715–724
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