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Dr. Srikrishnan A. R.

Associate Professor

Dr. Srikrishnan A. R. currently serves as Associate Professor at the Department of Aerospace Engineering, School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore Campus.

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

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

Conference Proceedings

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

Authors : Dr. Srikrishnan A. R., R. Korah Shaji, Gowda, B. H. L., Joshy, P. J., Kumar, R. A.

Publisher : International Conference on Fluid Dynamics

Theoretical Investigation of Base Flows and Supersonic External Combustion

Authors : Dr. Srikrishnan A. R., Damodaran K.A., Sriramulu V.

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

Stagnation Pressure loss associated with Mixing Enhancement in Supersonic Flow

Authors : Dr. Srikrishnan A. R., Kurien J., Sriramulu V.

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

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

Authors : Dr. Srikrishnan A. R., Rajitha Ch.

Publisher : Annual CFD Symposium, CFD Division of AeSI

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

Authors : Dr. Srikrishnan A. R., J. Josy, R. Ajith Kumar, Shaji R. K., H.L.Gowda B.

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

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

Authors : Dr. Srikrishnan A. R., Viverjita, U., Laminar

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

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

Authors : Dr. Srikrishnan A. R., Viverjita U., Dinesh Raja, Raveesh R., Sahas Chaturvedi

Publisher : 6th International Conference ICTACEM

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

Authors : Dr. Srikrishnan A. R., B. Singh Chufal

Publisher : International Conference on Scientific Engineering Computation

Numerical Study of Thrust Performance of Supersonic Nozzles with Separated Flow

Authors : Dr. Srikrishnan A. R., Sandip Dhar

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

A Numerical Investigation on Flow Over Curved Plates

Authors : Dr. Srikrishnan A. R., A. K. Damu Murali, R. Ajith Kumar

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

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

Authors : Dr. Srikrishnan A. R., Gopikrishnan T. H., Ajithkumar Raghavan

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

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

Authors : Dr. Srikrishnan A. R., Sarath R S, Ajith Kumar R, Prasad BVSSS

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

Journal Article

Vortex Suppression through Drain Port Sizing

Authors : Dr. Srikrishnan A. R., R.Ajith Kumar, Josy J., Rahul Korah Shaji

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

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

Authors : Dr. Srikrishnan A. R., Ajith Kumar R., Prabhu M., Nair R. R.

Publisher : Journal of Aerospace Engineering

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

Authors : Dr. Balajee Ramakrishnananda, Dr. Ratna Kishore V., Dr. Srikrishnan A. R., Vishal Venkatesh, Sriraam J., Bala Vignesh D., Suresh Batchu

Publisher : Aerospace Science and Technology

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

Authors : Dr. Srikrishnan A. R., G Harish Subramanian, CH V S Nagarjun, K V Satish Kumar, B Ashish Kumar, Vishal Srikanth

Publisher : Sādhanā

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

Authors : Dr. Srikrishnan A. R., Tamal, J., Deependran, B., Ajith Kumar R.

Publisher : Lecture Notes in Mechanical Engineering

Experimental study on mixing enhancement by petal nozzle in supersonic flow

Authors : Dr. Srikrishnan A. R., Kurain J., Sriramulu V.

Publisher : Journal of Propulsion and PowerJournal of Propulsion and Power

An Experimental Study of Thermal Mixing and Combustion in Supersonic Flows

Authors : Dr. Srikrishnan A. R., J. K., Sriramulu V.

Publisher : Journal of Combustion and Flame

Enhancement of thermal mixing in coaxial supersonic jets

Authors : Dr. Srikrishnan A. R., Kurian J., Sriramulu V.

Publisher : Journal of Propulsion and Power - J PROPUL POWER

Comparative Experimental study of Supersonic Combustors

Authors : Dr. Srikrishnan A. R., Kurian J., Sriramulu V.

Publisher : Comparative Experimental study of Supersonic Combustors

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

Authors : Dr. Srikrishnan A. R., Sarath, R. S., Ajith Kumar, R., Prasad, B.V.S.S.S.

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

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

Authors : Dr. Srikrishnan A. R., Saisanthosh Iyer, Arunkumar K., Ajithkumar R.

Publisher : IOP Conference Series: Materials Science and Engineering

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 StudyFunding Agency
Studies on the Onset of Coking in Sem-cryogenic Rocket EnginesISRO
Studies on Effusion Cooling of Gas Turbine CombustorsGTRE – DRDO
Studies on modeling of Thermal Striping and Gas Entrainment in PFBRIGCAR
Modeling of Combustion in Biomass-fueled Cook stovesRAE, 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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