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Dr. Srikrishnan A. R.

Vice Chairperson | Professor

Qualification: Ph.D
ar_srikrishnan@cb.amrita.edu
Research Interest: Enhancement of Jet Mixing, Numerical Modelling of Heat Transfer, Shock Boundary Layer Interaction in Supersonic and Hypersonic Flows, Thermal Striping in Nuclear Reactors, Vortex Formation in Liquid Tanks

Bio Publications Research Collaboration Funded Projects Invited Talks/Lectures Research Guidance Recent Manuscript Review Activities (for International Journals and Conferences) Subjects Taught
Bio

Dr. Srikrishnan A. R. completed his Ph. D. from IIT Madras in 1996, in the field of fuel-air mixing and combustion in supersonic flows as applied to advanced aerospace propulsion systems.

Industrial Experience: 1996-2012: Worked for 16 years with the global leaders in CAE Fluent Inc and ANSYS holding leadrship positions. Headed one of the technical divisions of ANSYS, India, Pune as the Director of Development from 2008 to 2012.

Joined the department of Aerospace Engineering, Amrita Vishwa Vidyapeetham in June 2012.

Fields of Expertise: Heat Transfer, Combustion, Gas Dynamics, Air-breathing Propulsion Systems, Computational Fluid Dynamics (CFD).

Publications: Publications include papers in the AIAA Journal of Propulsion and Power, Combustion and Flame Journal, Journal of Aerospace Technology and the ASCE Journal of Aerospace Engineering (Details below).

Dr. Srikrishnan has been serving as reviewers for international journals including the Journal of Aerospace Engineering, Institution of Mechanical Engineers, UK.

Publications

Journal Article

Year : 2019

Mixing studies in turbulent oxy-methane jets with and without reaction

Cite this Research Publication : J. Tamal, Dr. Srikrishnan A. R., Deependran, B., and R. Kumar, A., “Mixing studies in turbulent oxy-methane jets with and without reaction”, Lecture Notes in Mechanical Engineering, pp. 707-718, 2019.

Publisher : Lecture Notes in Mechanical Engineering, Pleiades Publishing

Year : 2018

Mixing enhancement using chevron nozzle: studies on free jets and confined jets

Cite this Research Publication : H. G Subramanian, Nagarjun, C. H. V. S., Kumar, K. V. Satish, B Kumar, A., Srikanth, V., and Dr. Srikrishnan A. R., “Mixing enhancement using chevron nozzle: studies on free jets and confined jets”, Sādhanā, vol. 43, p. 109, 2018.

Publisher : Sādhanā, Indian Academy of Sciences

Year : 2018

Studies on Effusion Cooling: Impact of Geometric Parameters on Cooling Effectiveness and Coolant Consumption

Cite this Research Publication : V. Venkatesh, Sriraam J., Bala Vignesh D., K., S., Dr. Ratna Kishore V., Dr. Srikrishnan A. R., Dr. Balajee Ramakrishnananda, and Suresh Batchu, “Studies on Effusion Cooling: Impact of Geometric Parameters on Cooling Effectiveness and Coolant Consumption”, Aerospace Science and Technology, vol. 77, pp. 58 - 66, 2018.

Publisher : Aerospace Science and Technology

Year : 2017

Vortex Formation during Draining from Cylindrical Tanks: Effect of Drain Port Eccentricity

Cite this Research Publication : A. R. Kumar, Nair, R. R., Prabhu, M., and Dr. Srikrishnan A. R., “Vortex Formation during Draining from Cylindrical Tanks: Effect of Drain Port Eccentricity”, Journal of Aerospace Engineering, vol. 30, 2017.

Publisher : Journal of Aerospace Engineering

Year : 2017

Numerical Analysis of Effects of Turbine Blade Tip Shape on Secondary Losses

Cite this Research Publication : R. S. Sarath, R. Kumar, A., Prasad, B. V. S. S. S., and Dr. Srikrishnan A. R., “Numerical Analysis of Effects of Turbine Blade Tip Shape on Secondary Losses”, Fluid Mechanics and Fluid Power – Contemporary Research, Part of the Lecture Notes in Mechanical Engineering book series (LNME), vol. Part F8, pp. 871-879, 2017.

Publisher : Fluid Mechanics and Fluid Power – Contemporary Research, Part of the Lecture Notes in Mechanical Engineering book series (LNME), Springer India

Year : 2017

Combined Effect of Surface Roughness and Wake Splitter Plate on the Aerodynamic Characteristics of a Circular Cylinder

Cite this Research Publication : S. Iyer, K, A., R, A., and Dr. Srikrishnan A. R., “Combined Effect of Surface Roughness and Wake Splitter Plate on the Aerodynamic Characteristics of a Circular Cylinder”, IOP Conference Series: Materials Science and Engineering, vol. 234, p. 012007, 2017.

Publisher : IOP Conference Series: Materials Science and Engineering

Year : 2016

Vortex Suppression through Drain Port Sizing

Cite this Research Publication : R. A. Kumar, .J, J., Shaji, R. Korah, and Dr. Srikrishnan A. R., “Vortex Suppression through Drain Port Sizing”, ASCE Journal of Aerospace Engineering, Journal of Aerospace Engineering, vol. 29, no. 4, 2016.

Publisher : ASCE Journal of Aerospace Engineering, Journal of Aerospace Engineering.

Year : 2004

Putting Brakes – an analysis of the fundamentals involved in aerobraking

Cite this Research Publication : Dr. Srikrishnan A. R., “Putting Brakes - an analysis of the fundamentals involved in aerobraking”, Article in Times Fluid Power Journal, 2004.

Publisher : Article in Times Fluid Power Journal

Year : 1999

Comparative Experimental study of Supersonic Combustors

Cite this Research Publication : Dr. Srikrishnan A. R., Kurian, J., and Sriramulu, V., “Comparative Experimental study of Supersonic Combustors”, Comparative Experimental study of Supersonic Combustors, 1999.

Publisher : Comparative Experimental study of Supersonic Combustors XIV ISABE, Florence,Italy

Year : 1996

Experimental study on mixing enhancement by petal nozzle in supersonic flow

Cite this Research Publication : Dr. Srikrishnan A. R., Kurain, J., and Sriramulu, V., “Experimental study on mixing enhancement by petal nozzle in supersonic flow”, Journal of Propulsion and PowerJournal of Propulsion and Power, vol. 12, no. 1, pp. 165 - 169, 1996.

Publisher : American Institute of Aeronautics and Astronautics

Year : 1996

An Experimental Study of Thermal Mixing and Combustion in Supersonic Flows

Cite this Research Publication : Dr. Srikrishnan A. R., J., K., and Sriramulu, V., “An Experimental Study of Thermal Mixing and Combustion in Supersonic Flows”, Journal of Combustion and Flame, vol. 107, no. 4, pp. 464-474, 1996.

Publisher : Journal of Combustion and Flame

Year : 1996

An experimental investigation of thermal mixing and combustion in supersonic flows

Cite this Research Publication : Dr. Srikrishnan A. R., Kurian, J., and Sriramulu, V., “An experimental investigation of thermal mixing and combustion in supersonic flows”, Combustion and Flame, vol. 107, pp. 464 - 474, 1996.

Publisher : Combustion and Flame

Year : 1996

Enhancement of thermal mixing in coaxial supersonic jets

Cite this Research Publication : Dr. Srikrishnan A. R., J, K., and V, S., “Enhancement of thermal mixing in coaxial supersonic jets”, Journal of Propulsion and Power - J PROPUL POWER, vol. 12, no. 4, pp. 730-735, 1996.

Publisher : Journal of Propulsion and Power - J PROPUL POWER

Conference Proceedings

Year : 2017

Numerical Study of Effect of Base Dome Radius on Vortex Formation During Tank Draining

Cite this Research Publication : G. T. H, Dr. Srikrishnan A. R., and Raghavan, A., “Numerical Study of Effect of Base Dome Radius on Vortex Formation During Tank Draining”, Proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kollam, Kerala, India. 2017.

Publisher : Proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power

Year : 2017

A Numerical Investigation on Flow Over Curved Plates

Cite this Research Publication : A. K. Damu Murali, R Kumar, A., and Dr. Srikrishnan A. R., “A Numerical Investigation on Flow Over Curved Plates”, Proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kollam, Kerala, India. 2017.

Publisher : Proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power

Year : 2017

Numerical Study of Effect of Base Dome Radius on Vortex Formation During Tank Draining

Cite this Research Publication : Gopikrishnan T H, Dr. Srikrishnan A. R., and Raghavan, A., “Numerical Study of Effect of Base Dome Radius on Vortex Formation During Tank Draining”, Proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power, Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kollam, Kerala, India. 2017.

Publisher : Proceedings of the 44th National Conference on Fluid Mechanics and Fluid Power

Year : 2014

Studies on Mass-spillage and Stagnation Pressure Loss in Intakes of SCRAMJET Propulsion Systems

Cite this Research Publication : V. U, Raja, D., R, R., Chaturvedi, S., and Dr. Srikrishnan A. R., “Studies on Mass-spillage and Stagnation Pressure Loss in Intakes of SCRAMJET Propulsion Systems”, 6th International Conference ICTACEM, IIT Kharagpur, December, 2014. 2014.

Publisher : 6th International Conference ICTACEM

Year : 2014

Aerothermodynamics of Shock-Boundary Layer Interaction in Hypersonic Flow: A Study on Stagnation Pressure Loss and the Extend of Separation Zone

Cite this Research Publication : U. Viverjita and Dr. Srikrishnan A. R., “Aerothermodynamics of Shock-Boundary Layer Interaction in Hypersonic Flow: A Study on Stagnation Pressure Loss and the Extend of Separation Zone”, 3rd National Symposium on Shock Waves. IIT Bombay, 2014.

Publisher : 3rd National Symposium on Shock Waves

Year : 2014

Effect of eccentric drain port size on vortex formation during draining from cylindrical tanks

Cite this Research Publication : J. Josy, R. Kumar, A., Dr. Srikrishnan A. R., Shaji, R. K., and .H.L.Gowda, B., “Effect of eccentric drain port size on vortex formation during draining from cylindrical tanks”, 5th International and 41st National Conference on Fluid Mechanics and Fluid Power (FMFP) 2014. Indian Institute of Technology Kanpur, 2014.

Publisher : 5th International and 41st National Conference on Fluid Mechanics and Fluid Power (FMFP)

Year : 2014

Laminar and Transitional Shock-Boundary Layer Interaction in Hypersonic Flows: A Study from Energy Perspective

Cite this Research Publication : U. Viverjita, Dr. Srikrishnan A. R., and , “Laminar and Transitional Shock-Boundary Layer Interaction in Hypersonic Flows: A Study from Energy Perspective”, 5th International Conference on Fluid Mechanics and Fluid Power. IIT Kanpur, 2014.

Publisher : 5th International Conference on Fluid Mechanics and Fluid Power

Year : 2014

Numerical Analysis of Effects of Turbine Blade Tip Shape on Secondary Losses

Cite this Research Publication : S. R. S, R, A. Kumar, BVSSS, P., and Dr. Srikrishnan A. R., “Numerical Analysis of Effects of Turbine Blade Tip Shape on Secondary Losses”, 5th International and 41st National Conference on Fluid Mechanics and Fluid Power (FMFP) 2014. Indian Institute of Technology, Kanpur, 2014.

Publisher : 5th International and 41st National Conference on Fluid Mechanics and Fluid Power (FMFP) 2014

Year : 2013

Effect Of Relative Drain Port Size On Vortex Formation In Cylindrical Tanks

Cite this Research Publication : R. Korah Shaji, Gowda, B. H. L., Joshy, P. J., Dr. Srikrishnan A. R., and Kumar, R. A., “Effect Of Relative Drain Port Size On Vortex Formation In Cylindrical Tanks”, International Conference on Fluid Dynamics. Sendai, Miyagi, Japan, 2013.

Publisher : International Conference on Fluid Dynamics

Year : 2013

Validation of CFD Software: A Study of Issues Specific to Simulation of High Mach number Flows

Cite this Research Publication : Dr. Srikrishnan A. R., “Validation of CFD Software: A Study of Issues Specific to Simulation of High Mach number Flows”, International Conference on CAE. IIT Madras, India, 2013.

Publisher : International Conference on CAE

Year : 2003

Numerical Study of Thrust Performance of Supersonic Nozzles with Separated Flow

Cite this Research Publication : S. Dhar and Dr. Srikrishnan A. R., “Numerical Study of Thrust Performance of Supersonic Nozzles with Separated Flow”, 6th Annual CFD Symposium, CFD Division of AeSI. 2003.

Publisher : 6th Annual CFD Symposium, CFD Division of AeSI

Year : 2002

CFD Analysis of Film Cooling of a Cylindrical Leading Edge with Compound Angle Injection

Cite this Research Publication : B. Singh Chufal and Dr. Srikrishnan A. R., “CFD Analysis of Film Cooling of a Cylindrical Leading Edge with Compound Angle Injection”, International Conference on Scientific & Engineering Computation. Institute of High Performance Computing, Singapore, 2002.

Publisher : Institute of High Performance Computing, Singapore

Year : 2000

A Numerical Study of Species Mixing in Co-axial Supersonic Jets

Cite this Research Publication : R. Ch. and Dr. Srikrishnan A. R., “A Numerical Study of Species Mixing in Co-axial Supersonic Jets”, Annual CFD Symposium, CFD Division of AeSI. 2000.

Publisher : CFD Division of AeS

Year : 1994

Stagnation Pressure loss associated with Mixing Enhancement in Supersonic Flow

Cite this Research Publication : Dr. Srikrishnan A. R., Kurien J., and Sriramulu V., “Stagnation Pressure loss associated with Mixing Enhancement in Supersonic Flow”, Proceedings of the 2nd National Conference on Air Breathing Engines and Aerospace Propulsion. VSSC, Thiruvananthapuram, 1994.

Publisher : Proceedings of the 2nd National Conference on Air Breathing Engines and Aerospace Propulsion, VSSC, Thiruvananthapuram

Year : 1992

Theoretical Investigation of Base Flows and Supersonic External Combustion

Cite this Research Publication : Dr. Srikrishnan A. R., K.A., D., and V, S., “Theoretical Investigation of Base Flows and Supersonic External Combustion”, Proceedings of XII National Conference on I.C.Engines and Combustion. pp. 591-596, 1992.

Publisher : Proceedings of XII National Conference on I.C.Engines and Combustion

Research Collaboration

International: Royal Academy of Engineering, London and Imperial College, London

National:

  • LPSC, ISRO
  • GTRE, DRDO
  • IGCAR, DAE
  • ACRD, IIT Madaras
Funded Projects
Domain of Study Funding Agency
Studies on the Onset of Coking in Sem-cryogenic Rocket Engines ISRO
Studies on Effusion Cooling of Gas Turbine Combustors GTRE – DRDO
Studies on modeling of Thermal Striping and Gas Entrainment in PFBR IGCAR
Modeling of Combustion in Biomass-fueled Cook stoves RAE, London, Uk
Invited Talks/Lectures
  1. Computations Methods in Engineering Design at IIT, Palakkad – 2015.
  2. Application of CFD in Engineering, at IIT RAE, London, Uk, Palakkad – 2016.
  3. CFD in Mechanical Engineering (Introductory lecture for UG Students) at IIT Palakkad, 2017.
  4. Invited talk at AICTE Funded work shop in Heat Transfer at Coimbatore Institute of Technology, 2016.
  5. Session talk at 44th National Conference on Fluid Mechanics and Fluid Power (FMFP) at Amrita Campus, Amritapuri, December 2017.
Research Guidance

Ph. D. (On-going)

1. Shock-Induced Separation in Rocket Nozzles

  1. A study with immense application potential in rocket technology. The fundamental issue of shock induced boundary layer separation is being investigated with emphasis on a novel approach to control it.
  2. The initial results, based on numerical simulations are encouraging and are being explored further.

2. Flame Stabilization in Afterburners using Metallic Foams

  1. The study aims at an innovative approach to flame stabilization in high-speed flows. An important field of application is turbojet engines with after burners. The use of metal foams, which have several advantages over conventional methods, is being studied from the perspective of energy efficiency and effectiveness. The study involves both experimental and numerical investigations.

3. Optimization studies on material management for aircraft maintenance

Recent Manuscript Review Activities (for International Journals and Conferences)
  1. June 2017: Journal – PART G: Journal of Aerospace Engineering, Institution of Mechanical Engineers, UK
  2. July 2017: PART G: Journal of Aerospace Engineering, Institution of Mechanical Engineers, UK
  3. Dec. 2017: International Conference on Computational Methods in Engineering and Health Sciences, Manipal University
  4. March 2017: Journal of the National Academy of Sciences
  5. April 2018: Journal of Aerospace Engineering (Part G), Institution of Mechanical Engineers, UK
Subjects Taught

UG Courses:

Theory Courses handled from 2012:

  1. Introduction to Aerospace Propulsion
  2. Air Breathing Engines
  3. Heat Transfer
  4. Rocket and Spacecraft Propulsion
  5. Compressible Fluid Flows

PG/PhD Courses:

  1. Advanced Gas Dynamics
  2. Aircraft Propulsion
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