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Dr. V. Aravind
Professor

  • R-106

Department
Aerospace Engineering

Research Areas

  • Thermal and Propulsion

  • Professor, Indian Institute of Space Science and Technology, Thiruvananthapuram (Feb 2020 – present).
  • Associate Professor, Indian Institute of Space Science and Technology, Thiruvananthapuram (Jan 2014 – Jan 2020).
  • Assistant Professor, Indian Institute of Space Science and Technology, Thiruvananthapuram (June 2009 – Dec2013).
  • Postdoctoral Research Associate, Iowa State University (Sep 2008-May2009).

Education

  • Ph.D. in Aerospace Engg. (University of Florida) [Aug 2005-August 2008]
  • M.S. (by Research) in Aerospace Engg. (IIT Madras) [Aug 2003-July2005]
  • B.Tech. in Mechanical Engg. (Univ. of Kerala) [Sep 1999-April 2003]

Area of Interest

Rocketry and Supersonic Combustion

  • RBCC based Hypersonic Propulsion, Supersonic Combustion, Supersonic Cavity Oscillation and Mixing in High Speed Flows, Vacuum Ejector Flows, High Pressure Methane-O2 and H2-O2 combustion, Combustion Instability in Liquid Rocket Engines
  • Outer Space: Small Satellite Launch Vehicle Development for Very Low Earth Orbit-300 km,  Experimental Sounding Rockets, Small Satellite and Payload Develpment, Mentoring and Fostering Space Startups towards Atmanirbhar Bharath
  • Inner Space: Exploring the Human Consciousness and Potential through Ancient Indian Wisdom

  • Undergraduate: Gas Dynamics, Air-breathing Propulsion, Rocket Propulsion, Aerospace Vehicle Design, Space Flight Mechanics, Thermodynamics
  • Graduate: Compressible Flow, Aerospace Propulsion, Aerospace Vehicle Design, Design and Modeling of Rocket Propulsion Systems, Mathematical Methods in Aerospace Engineering, Space Flight Mechanics

 

International Conference

 

  1. Sekar, A., Krishna, Y., and Vaidyanathan, A., " Droplet Velocity Measurement Of Acetone-Water Spray Using Fluorescence-Based Particle Image Velocimetry", 21st International Symposium on Application of Laser and Imaging Techniques to Fluid Mechanics, LISBON | PORTUGAL,  JULY 8-11, 2024
  2. Midhun, U. S., Kumar, R. R. V., Dilip, D., and Vaidyanathan, A., "Investigation On Supersonic Vacuum Ejectors With Varying Jet Velocity", IAES-2024-Paper-413, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  3. Panicker, A.A., Dharan,S.S., Sekar, A.,  Kumar R.R.V, and Vaidyanathan, A., "Performance Analysis of Fuel Injector Location in Supersonic Flow Over a Slanted Fore-wall and Aft-wall Cavity", IAES-2024-672, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  4. Sekar, A., and Vaidyanathan, A., "Effects of different wall divergence on supersonic combustion in pylon-cavity configuration", IAES-2024-439, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  5. Manu K Sukesan, M.K., Krishna, Y., Vaidyanathan, A., and Shine, S. R., "Experimental Investigation on Planar Micronozzle Plume Using Interferometric Scattering, PIV and Schlieren Method", IAES-2024-162, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  6. Rohith, J.S., Negi,D., and Vaidyanathan, A., "Interplanetary Mission to Venus using Broken Plane Transfer", IAES-2024-042, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  7. Dharan, S.S., Kumar R. R. V., Vaidyanathan, A., and Desikan S.L.N., "Experimental Investigation on the Spray Characteristics of an Internal Impinging Effervescent Ramp Injector", IAES-2024-566,Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  8. Ayyappan, D., Vaidyanathan,A., and Nandakumar, K., "Mixing nature of a circular jet with co-flow at supercritical chamber conditions", IAES-2024-307, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  9. Rahul Kumar, R., Sharma, A., Vaidyanathan,A., Tharakan,J.T.,and Kumar S.S., "Design and Dynamic Response of Swirl Co-axial Injectors for LOx-Methane Rocket Engine", IAES-2024-301, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  10. Sharon Elsa Sha, S.E., Krishna, Y., Kumar R.R.V, and  Vaidyanathan, A., "Temperature Measurement in a Steam Jet using Tunable Diode Laser Absorption Spectroscopy", IAES-2024-163, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  11. Mithuna, L., Muthukumaran, C. K., MathanKumar, S., Midhun, R., Aravind, V., Assiz, M. P.," Flame Morphology during Self-excited Combustion Instability using Swirl Coaxial Injector", IAES-2024-495, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  12. Nitnaware, Y.R., and Vaidyanathan, A., "Hybrid combustion numerical simulation of liquefying and non-liquefying fuel", IAES-2024-445, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  13. Naveen R, Ayyappan, D., Kumar R.R.V., and  Vaidyanathan, A., "Experimental Study of Pintle Injector With Circular Slot", IAES-2024-583, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, Liquid Propulsion Systems Centre (ISRO), Thiruvananthapuram
  14. Kumar R., Sharma, A., Vaidyanathan, A., and Tharakan, T.J., Thermodynamic Modelling of High-Pressure LOx-Methane Rocket Engine,FMFP2023-PAP-514, Proceedings of the 10th International and 50th National Conference on Fluid Mechanics and Fluid Power (FMFP), December 20-22, 2023, IIT Jodhpur, Rajasthan, India
  15. Sekar, A., and Vaidyanathan, A., Numerical investigation of effects of location of cavity behind pylon on supersonic combustion of ethylene, ISAIF15-P-131, 15th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows (ISAIF15),24-27, October, 2023, IIT Madras, Chennai, India
  16. Sekar, A., and Vaidyanathan, A., Effects of injection location of ethylene jet behind pylon in supersonic cross-flow, ISAIF15-P-133, 15th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows (ISAIF15),24-27, October, 2023, IIT Madras, Chennai, India
  17. Raju, M., Desikan, S.L.N., and Vaidyanathan, A., Study of Flow Physics during Transient Operation of a Zero Secondary Flow Ejector, ISAIF15-P-122, 15th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows (ISAIF15),24-27, October, 2023, IIT Madras, Chennai, India
  18. Sekar, A., Krishna, Y., and Vaidyanathan, A., “Atomization and Mixing of Liquid and Aerated jet injected behind Curved Pylon in Supersonic Cross-flow”, 10.2514/6.2023-3073, 25th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, May 28 - June 1, 2023, Bengaluru, Karnataka, India
  19. Raju M., Desikan S.L.N., and Vaidyanathan, A., “Investigation of the unsteadiness during starting transient operation of a zero secondary flow ejector”, 10.2514/6.2023-3063, 25th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, May 28 - June 1, 2023, Bengaluru, Karnataka, India
  20. Krishna Y., Sekar A., Magnotti, G., and  Vaidyanathan, A., “One-dimensional Interferometric Scattering Velocimetry for High-speed Flows”, 10.2514/6.2023-3046, 25th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, May 28 - June 1, 2023, Bengaluru, Karnataka, India
  21. Patial S., Rai A.K., Reddy B.M., Goutham C., Sojitra D., Ayyappan G., Vaidyanathan A.,  Bhalla D., “Sub-scale experimental test of Hybrid Rocket engine using LOX and 3D printed fuel”, 10.2514/6.2023-3108, 25th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, May 28 - June 1, 2023, Bengaluru, Karnataka, India
  22. Raju M., Vaidyanathan, A., and Desikan S.L.N., and, “Supersonic Mixing Characteristics of an Internal Cross-Flow Effervescent Ramp Injector”, 10.2514/6.2023-3054, 25th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, May 28 - June 1, 2023, Bengaluru, Karnataka, India
  23. Dhanesh A., Muthukumaran, C.K., Vaidyanathan, A., and Nandakumar, K., “Temperature Effects on the Instablity Nature of Liquid Jets at Subcritical and Supercritical Chamber Conditions”, FMFP18-544, 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP), IIT Bombay, Mumbai, Dec 10-12, 2018
  24. Maurya, S., and Vaidyanathan, A., “Stagnation and Static Property Correlations for Equilibrium Flows”, ICTACEM-2017/0580, International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017), IIT Kharagpur, India, December 28-30, 2017
  25. Kumar, M., and Vaidyanathan, A., “Shock Train Dominated Confined Supersonic Cavity Flow”, ICTACEM-2017/0381, International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017), IIT Kharagpur, India, December 28-30, 2017
  26. Dhanesh A., Muthukumaran, C.K., Vaidyanathan, A., and Nandakumar, K., “Dynamics of Circular Liquid Jet at Supercritical Chamber Conditions”, IHMTC2017-13-0276, 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), BITS Pilani, Hyderabad, India, December 27-30, 2017
  27. Saxon, A.M., Kumar, P.P., and Vaidyanathan, A., “A Computational Study to Investigate the Onset of Heat Transfer Deterioration for a Trans-Critical Methane Flow in a Rocket Engine Coolant Channel”, CHT-17-230,  7th International Symposium on Advances in Computational Heat Transfer (CHT-17), Naipoli, Italy, May 28 – June 1, 2017
  28. Gautam, T., Lovejeet, G., and Vaidyanathan, A., “Combined Effect of Aft Wall Offset and Cavity Floor Injection on Supersonic Flow Pass Cavity”, FMFP16 – 105,  6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, Dec 15-17, 2016
  29. Mohan, K., Sasidharan, V., and Vaidyanathan, A., “Wake Evacuation Effects in Expansion Deflection Nozzles”, FMFP16 – 151,  6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, Dec 15-17, 2016
  30. Agarwal, D.K., Peter, J., Vaidyanathan, A., and Kumar, S.S, “Measurment of Thermal Conductivity of Kerosene-Graphene Nanofluid”, IHMTC2015- 198,  23rd National and 1st International  ISHMT – ASTFE Heat and Mass Transfer Conference, ISRO Thiruvananthapuram, 17-20 Dec 2015
  31. Muthukumaran, C. K., and Vaidyanathan A., “Study on Interfacial Instabilities in Laminar Liquid Jet at its Subcritical and Supercritical Environment”, IHMTC2015- 1389,  23rd National and 1st International  ISHMT – ASTFE Heat and Mass Transfer Conference, ISRO Thiruvananthapuram, 17-20 Dec 2015
  32. Mathew, S., Kannayain, K., Vaidyanathan A., and Tharakan, T. J., “Paramteric Studies on Spray Fan Formed by a Triplet Impinging Jet Injector”, IHMTC2015- 1176,  23rd National and 1st International  ISHMT – ASTFE Heat and Mass Transfer Conference, ISRO Thiruvananthapuram, 17-20 Dec 2015
  33. Banda, M. V.K., Kannayain, K., and  Vaidyanathan A., “Spray Characteriztion of Liquid Centered Swirl Coaxial Injector”, IHMTC2015- 925,  23rd National and 1st International  ISHMT – ASTFE Heat and Mass Transfer Conference, ISRO Thiruvananthapuram, 17-20 Dec 2015
  34. Sanka, S. V.D. S.,  Kannayain, K., and  Vaidyanathan A., “Characterization of Gas Centered Coaxial Swirl Injectors”, IHMTC2015- 1146,  23rd National and 1st International  ISHMT – ASTFE Heat and Mass Transfer Conference, ISRO Thiruvananthapuram, 17-20 Dec 2015
  35. Kannayain, K., and Vaidyanathan, A., “Design and Characterization of Liquid Centered Swirl Coaxial Injector”, FMFP14 – A – 219,  5th International and 41st National Conference on Fluid Mechanics and Fluid Power, IIT Kanpur, Dec 12-14, 2014
  36. Maurya, P.,K., Kumar, V.R., Rajeev C.,  and Vaidyanathan, A., “Effect of Aft Wall Offset on Supersonic Flow Over Cavity”, FMFP14 – A – 245,  5th International and 41st National Conference on Fluid Mechanics and Fluid Power, IIT Kanpur, Dec 12-14, 2014
  37. Viswakarma, M., and Vaidyanathan, A., “ Experimental investigation of Secondary Jet Injection and Mixing using Pylon at M=1.65 Flow”, FMFP14 – B –724,  5th International and 41st National Conference on Fluid Mechanics and Fluid Power, IIT Kanpur, Dec 12-14, 2014
  38. Arora, R., and Vaidyanathan, A., “ Experimental and Numerical Investigation of Flow Through Double Divergent Nozzle”, FMFP14 – C –705,  5th International and 41st National Conference on Fluid Mechanics and Fluid Power, IIT Kanpur, Dec 12-14, 2014
  39. Muthukumaran, C. K., Kannaiyan, K., and Vaidyanathan, A., “Transition in the Elliptical Jet Characteristics from Super to Subcritical Conditions”, FMFP14 – F –204,  5th International and 41st National Conference on Fluid Mechanics and Fluid Power, IIT Kanpur, Dec 12-14, 2014
  40. Agarwal, D.K., Peter, J., Vaidyanathan, A., Kumar, S.S, “Experimental investigation of kerosene-alumina nanofluid for heat transfer application”, HMTC1300316,  22nd National and 11th International ISHMT – ASME Heat and Mass Transfer Conference, IIT Kharagpur, Dec 2013.
  41. Muthukumaran, C. K., and Vaidyanathan A., “Flow Characteristics of Elliptical Jet from Sub to Supercritical Conditions”, HMTC1300411, 22nd National and 11th International ISHMT – ASME Heat and Mass Transfer Conference, IIT Kharagpur, Dec 2013
  42. Sozer, E., Vaidyanathan, A., Segal, C., Shyy, W., "Computational Assessment of Gaseous Reacting Flows in Single Element Injector", AIAA 2009-449, 47th AIAA Aerospace Sciences Meeting Including The New Horizons Forum and Aerospace Exposition , Orlando, FL, 2009
  43. Vaidyanathan, A., Gustavsson, J., Segal, C., "Heat Fluxes/OH-PLIF Measurements in a GO2/GH2 Single-Element Shear Injector", AIAA 2007-5591, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibti, Cincinnati, OH, July 8-11, 2007
  44. Conley, A., Vaidyanathan, A., Segal, C., "Heat Fluxes Measurements in a GO2/GH2 Single-Element Shear Injector", AIAA 2006-5048, 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Sacramento, CA, July 9-12, 2006
  45. Aravind, V., and Kurian, J., "Mixing Enhancement by Strut based Injection in Supersonic Flow", 25th International Symposium on Shock Waves, Bangalore, July 17-22, 2005.

National Conference

  1. Sha, E.S., Dharan, S.S., Vaidyanathan, A., and Krishna, Y., "Temperature Measurement in a Hot Furnace using Tunable Diode Laser Absorption Spectroscopy", paper Id: 45, 10th Symposium on Applied Aerodynamics and Design of Aerospace Vehicles & SPICES Workshop (SAROD 2024), Dec 12-14, 2024, Thiruvananthapuram, Kerala, India
  2. Desikan S.L.N., Murugan, Vaidyanathan, A., and Ameen, "Droplet characterization studies for effervescent struts for supersonic combustion application using PDPA", paper id: 193, 10th Symposium on Applied Aerodynamics and Design of Aerospace Vehicles & SPICES Workshop (SAROD 2024), Dec 12-14, 2024, Thiruvananthapuram, Kerala, India
  3. Jain, P., and Vaidyanathan, A., "Computational Study on Effects of Floor Subcavity in Supersonic Cavity Flow", paper id: 13, 10th Symposium on Applied Aerodynamics and Design of Aerospace Vehicles & SPICES Workshop (SAROD 2024), Dec 12-14, 2024, Thiruvananthapuram, Kerala, India
  4. Maji, S., and Vaidyanathan, A., "The Influence of Micro Air Jets on Mixing Augmentation of Fuel Using Dual-Cavity Flameholder in Supersonic Flow", paper id: 126, 10th Symposium on Applied Aerodynamics and Design of Aerospace Vehicles & SPICES Workshop (SAROD 2024), Dec 12-14, 2024, Thiruvananthapuram, Kerala, India
  5. Swaroop, N.S., Ayyappan,D., Keerthivarman, V.K., Manoj, R.L.,Vasudevan,A., Kumar,V., and Vaidyanathan, A., "Skip Distance Effects on the Spray Characteristics of Pintle Injector", paper id: 95, 10th Symposium on Applied Aerodynamics and Design of Aerospace Vehicles & SPICES Workshop (SAROD 2024), Dec 12-14, 2024, Thiruvananthapuram, Kerala, India
  6. Dharan, S.S.,  Vaidyanathan, A., and Desikan, S.L.N., “Computational Investigation on Mixing Characteristics of Effervescent Ramp Injector”, paper no. 49, National Conference on Frontiers of Aerospace Systems and Technologies (FAST-2022), VSSC, Thiruvananthapuram, July 2022
  7. Badal, P.K., Chakraborty, M., Vaidyanathan, A., and Nair, M.,T., “Design and computational analysis of scramjet inlet operating between Mach 5 and 10”, NAPC2020_96, 3rd National Aerospace Propulsion Conference (NAPC 2020),  BMS College of Engineering, Bangalore, Dec 17-19 2020
  8. Jain, P., Chakraborty, M., Chavan, T.N., and Vaidyanathan, A., “Computational Study of Aero-Acoustic Feedback in Supersonic Cavity Flow”, NAPC2020_78, 3rd National Aerospace Propulsion Conference (NAPC 2020),  BMS College of Engineering, Bangalore, Dec 17-19 2020
  9. Sekar, A., Chakraborty, M., and Vaidyanathan, A., “Numerical Investigation of Blockage of Scramjet Strut Injector Model in a Supersonic Wind Tunnel”, NAPC2020_91, 3rd National Aerospace Propulsion Conference (NAPC 2020),  BMS College of Engineering, Bangalore, Dec 17-19 2020
  10. Chakraborty, M., Chavan, T.N., and Vaidyanathan, A., “Liquid jet injection study on a Modified Pylon in Supersonic Flow”, paper no.23, 6th National Symposium on Shock Waves (NSSW 2020), IIT Madras, Chennai, Feb26-28, 2020
  11. Jain, P., and Vaidyanathan, A., “Experimental Study of Plated Cavities in Supersonic Cavity Flow”, paper no. 57, 6th National Symposium on Shock Waves (NSSW 2020), IIT Madras, Chennai, Feb26-28, 2020
  12. Panigrahi, C., Vaidyanathan, A., and Nair, M.T., “Cavity Induced Pressure Oscillations within a subcavity”, CP-12-paper number 15, 20th Annual CFD Symposium,  NAL Bangalore, Aug 9-10, 2018
  13. Ahmed, A., Vaidyanathan, A., and Srinivasan, K., “Experimental and Numerical Investigation of Impinging Jets ”, paper no. 83, ASET-2018, National conference on Future Directions in Propulsion, LPSC Valiyamala, May 11-12, 2018
  14. Panigrahi, C., Vaidyanathan, A., and Nair, M.T., “Effects of Subcavity in Supersonic Flow over a cavity”, paper no. 75, ASET-2018, National conference on Future Directions in Propulsion, LPSC Valiyamala, May 11-12, 2018
  15. Prajith Kumar, K.,P., Takhur, B., Kumar, S.A., and Vaidyanathan, A., “Study of Impinging Liquid in Scramjet Engine using Deep Learning Techniques”, paper no. 74, ASET-2018, National conference on Future Directions in Propulsion, LPSC Valiyamala, May 11-12, 2018
  16. Sashidar, W., Vinil Kumar, R.R., Kumar, P.P., and Vaidyanathan, A., “Planar Laser-Induced Fluorescence (PLIF) Visualisation of Two Phase Annular flow”, paper no. 71, ASET-2018, National conference on Future Directions in Propulsion, LPSC Valiyamala, May 11-12, 2018
  17. Kumar, S.A., Ninish, S., Vaidyanathan, A., and Tharakan, J.T.,, “Effect of Blockage Factor on Liquid-Liquid Cross Flow Pintle Injector Spray Characteristics”, paper no. 81, ASET-2018, National conference on Future Directions in Propulsion, LPSC Valiyamala, May 11-12, 2018
  18. Maharshi, G.K., Vaidyanathan, A., Muthukumaran, C.K., and Nandakumar, K., “Quantification of Hydroxyl(OH) radicals in Laminar Flat Flame and Inverse Diffusion Flame of Coaxial Injector”, paper no. 65, ASET-2018, National conference on Future Directions in Propulsion, LPSC Valiyamala, May 11-12, 2018
  19. Aji, A.M., Vaidyanathan, A., and Sashidharan, V., “Performance Loss Associated with Wake Evacuation Effect in ED Nozzle”, CP-26-paper number 16, 19th Annual CFD Symposium,  NAL Bangalore, Aug 10-11, 2017
  20. Saxon, A.M., Kumar, P.P., and Vaidyanathan, A., “ Investigation of Heat Transfer Characterization of Methane in a Rocket Engine Cooling Channel Flow at Supercritical Pressure”, NAPC-2017-168, 1st National Aerospace  Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
  21. Ninish, S., Vaidyanathan, A., and Nandakumar, K., “Characterization of Pintle Injectors”, NAPC-2017-125,  1stNational Aerospace  Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
  22. Mehta, H.R., Kevikumar, L., and Vaidyanathan, A., “Cavity Flow Characterization using Phase Locked High Speed Schlieren and Unsteady Pressure Measurements” , NAPC-2017-072,  1stNational Aerospace  Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
  23. Mohan, K., Munjal, P., and Vaidyanathan A., “ Effect of pintle shape on internal shock structure of Expansion Deflection Nozzle ", NSSW4-2016, 4th National Symposium on Shock Waves, Karunya University Coimbatore, Feb 25-26, 2016
  24. Mohan, K.,  Sashidharan, V., and Vaidyanathan A., “ Flow and internal shock structure development in Planar Expansion Deflection Nozzle", NSSW4-2016, 4th National Symposium on Shock Waves, Karunya University Coimbatore, Feb 25-26, 2016
  25. Gautam, T., Mohan, K., Lovejeet, G., and Vaidyanathan A., “ Supersonic Cavity flow oscillations", NSSW4-2016, 4th National Symposium on Shock Waves, Karunya University Coimbatore, Feb 25-26, 2016
  26. Lovejeet G., Malhotra, A., and Vaidyanathan A., “Cavity Noise Control Using Cavity Floor Injection'',NSSW4 2016, 4th National Symposium on Shock Waves, Karunya University Coimbatore, Feb 25-26, 2016
  27. Mohan, K., Saravanan, S. A., Jarpala, R., and Vaidyanathan A., “Experimental and CFD Study on Shock Structure Development in Planar Expansion Deflection Nozzle”, FMFP 2015-205, 42nd National Conference on Fluid Mechanics and Fluid Power, NITK Surathkal, Dec 14-16, 2015
  28. Mohan, K., Munjal,P., and Vaidyanathan A., “Comparison of Performance and Altitude Compensation Capability of ED Nozzles with Bell Nozzles”, SAROD 2015-CP184, 7th Symposium on Applied Aerodynamics And Design of Aerospace Vehicles (SAROD-2015), VSSC Thiruvananthapuram, 3-5 Dec 2015
  29. Malhotra A., Mohan, K., and Vaidyanathan A., “Aft Wall Offset in Cavities: A Passive Suppression Mechanism”, SAROD 2015-CP231, 7th Symposium on Applied Aerodynamics And Design of Aerospace Vehicles (SAROD-2015), VSSC Thiruvananthapuram, 3-5 Dec 2015
  30. Malhotra A., Lovejeet, G., and Vaidyanathan A., “Investigation on the occurrence of Shock Train Phenomenon in Supersonic flow over cavity”, SAROD 2015-CP258 , 7th Symposium on Applied Aerodynamics And Design of Aerospace Vehicles (SAROD-2015), VSSC Thiruvananthapuram, 3-5 Dec 2015
  31. Malhotra, A., Mohan, K., and Vaidyanathan A., “Effect of Secondary Injection on Cavities in Supersonic Flow”, NCWT-04-CP29 , National Conference on Wind Tunnel Testing (NCWT04), DRDL Hyderabad, , Mar 20-21, 2015
  32. Kannaiyan, K., and Vaidyanathan A., “Qualitative OH - PLIF Measurements in non- premixed flame”, NLS 23-CP-09-22, DAE - BRNS National Laser Symposium (NLS-23), Tirupati, Dec 3-6, 2014
  33. Agarwal, H., and Vaidyanathan A., “Jet Instability of Non-Circular Jets”, NPC-2013-12006,  National Propulsion Conference, IIT Madras, Feb 2013
  34. Anurag, Gupta, N. U. V. S., and Vaidyanathan, A., “Investigation of Flow Separation in Double Divergent Nozzle”, NPC-2013-No 15006,  National Propulsion Conference, IIT Madras, Feb 2013
  35. Maurya, P. K., Kiran, J. R., and Vaidyanathan, A., “ Three Dimensional Effects inside a Supersonic Cavity Flow Field with Secondary Injection”, NPC 2013 – 14021,  National Propulsion Conference,  IIT Madras, Feb 2013
  36. Nayak, A. G., Kumar, V., and Vaidyanathan, A., " Flow Visualization of Gas Centered Swirl Coaxial Injectors", National Conference in Space Transportation Systems: Opportunities and Challenges, VSSC Thiruvananthapuram, 16-18 Dec 2011

Peer Reviewed Journals

  1. Dharan S.S., Desikan S.L.N., and Vaidyanathan, A.,  "Starting transient spray characteristics of an effervescent ramp injector: Bubbly flow", Accepted for publication in Physics of Fluids (2025)
  2. Dharan S.S., Desikan S.L.N., and Vaidyanathan, A., "Starting transient spray characteristics of an effervescent ramp injector: Slug flow", Accepted for publication in Physics of Fluids Letters (2025)
  3. Raju, M., Desikan, S.L.N., and Vaidyanathan, A., "Unsteady flow characteristics in vacuum ejectors with convergent-divergent primary nozzle", Physics of Fluids 37, 086150 (2025) https://doi.org/10.1063/5.0281395
  4. Kumar, R., Sharma, A., De, A., and Vaidyanathan, A., " Large eddy simulation to investigate open/close-end swirl coaxial injector dynamics for a LOx-methane rocket engine", Eur. Phys. J. Spec. Top. (2025), https://doi.org/10.1140/epjs/s11734-025-01881-9
  5. Dharan, S.S., Vaidyanathan, A., and Desikan, S.L.N, "Spray characteristics of an effervescent ramp injector under fully developed condition", Physics of Fluids 37, 067125 (2025) https://doi.org/10.1063/5.0272149
  6. Kumar, R., Sharma, A., De, A., and Vaidyanathan, A., "Numerical investigation of open- and close-end swirl injector dynamics for LOx-CH4 supercritical combustion", Aerospace Science and Technology 164 (2025) 110360, DOI: https://doi.org/10.1016/j.ast.2025.110360
  7. Kumar, D. E., Muthukumaran, C. K., Mithuna L., Vaidyanathan, A., Yadav, A. K., Ajayalal P. R., and Hutton, R., Experimental Investigation of the Dynamics of Methane-Oxygen Diffusion Flame Stabilized Over Swirl Coaxial Injector, Combustion Science and Technology, DOI: https://doi.org/10.1080/00102202.2025.2453034 (2025)
  8. Sekar, A., and Vaidyanathan, A., "Supersonic Combustion of Ethylene in a Pylon-Cavity Configuration with Curved Pylons", Combustion Science and Technology, DOI:https://doi.org/10.1080/00102202.2025.2491102
  9. Krishna, Y., Sukesan, M., Sekar, A., Vaidyanathan, A., and Shine, S. R., "1D interferometric Mie scattering for micronozzle exit flow velocity measurement", Meas. Sci. Technol. 36 (2025) 045209 (9pp), DOI: https://doi.org/10.1088/1361-6501/adc149
  10. Dharan, S.S., Kumar R.R.V., Vaidyanathan, A., and Desikan S.L.N., " Annular Flow Regime Characteristics of an Internal Impinging Effervescent Atomizer", International Journal of Fluid Mechanics Research, 52(3), pp. 83–99, 2025, https://doi.org/10.1615/InterJFluidMechRes.2025055203
  11. Kumar, R., Sharma, A., Vaidyanathan, A., Tharakan, T.J., and Kumar, S.S., "Design and Dynamic Response of Swirl Coaxial Injectors for LOx-Methane Rocket Engine", International Journal of Fluid Mechanics Research, 52(3), pp. 43–63, 2025, DOI: https://doi.org/10.1615/InterJFluidMechRes.2025054455
  12. Lingaraj, M., Muthukumaran C. K., Kumar E. D., Kumar S. M., Midhun, R., Vaidyanathan, A., and Assiz, M. P.,"Flame Morphology during Self-excited Combustion Instability using Swirl Coaxial Injector", International Journal of Energetic Materials and Chemical Propulsion, 24(2), pp. 63-78, 2025, DOI: https://doi.org/10.1615/IntJEnergeticMaterialsChemProp.2024055209
  13. Raju, M., Desikan, S.L.N., and Vaidyanathan, A., “Unsteadiness in Vacuum Ejector and their Sources", Physics of Fluids, 36(9), 096124, 2024, DOI: https://doi.org/10.1063/5.0231028
  14. Purohit, K., Sharma, A., Vaidyanathan,A., Tharakan, T.J., “Multi-Element Gaseous Methane–Oxygen Rocket Combustor Optimization for Modern Space-Flight Technology”, Journal of Propulsion and Power, 40(3), pp. 397-410, 2024,
  15. Sekar, A., and Vaidyanathan, A., “Liquid and aerated jets behind different pylon configurations in supersonic crossflow”, International Journal of Multiphase Flow, 175 (2024) 104790
  16. Sekar, A., and Vaidyanathan, A.," Mixing enhancement of ethylene secondary jet injected into supersonic cross-flow using curved pylon”, Acta Astronautica, 210, 253-267,2023
  17. Prasath, M., Desikan, S.L.N., and Vaidyanathan, A., “Oscillatory characteristics of cavities in supersonic flow”, European Journal of Mechanics / B Fluids 98 (2023) 224–237
  18. Jain, P., Sekar, A., and Vaidyanathan, A.," Effects of multiple subcavities with floor subcavity in supersonic cavity flow”, Propulsion and Power Research, 12(1), 114-137,2023
  19. Raju, M., Desikan, S.L.N., and Vaidyanathan, A., "Transient characteristics of a typical vacuum ejector—An experimental study", Physics of Fluids, 34(9), 096108, 2022
  20. Nair, V., S., and Vaidyanathan, A., “Ascent Trajectory Design and Optimization of a Two-Stage Throttleable Liquid Rocket”, Advances in Space Research, 69(12), 4358-4375, 2022
  21. Chavan, T., Chakraborty, M., Vaidyanathan, A., “Experimental and modal decomposition studies on cavities in supersonic flow”, Experimental Thermal and Fluid Science, 135, 110600, 2022
  22. Sekar, A., Chakraborty, M., and Vaidyanathan, A., “Mixing characteristics of liquid jet injected behind a curved pylon in supersonic flow”, Experimental Thermal and Fluid Science, 134, 110570, 2022
  23. Jain, P., and Vaidyanathan, A.," Aero-acoustic feedback mechanisms in supersonic cavity flow with subcavity”, Physics of Fluids, 33(12), 126102, 2021
  24. Chakraborty, M., Vaidyanathan, A., and Desikan, S.L.N., " Experiments on atomization and spray characteristics of an effervescent strut injector", Physics of Fluids, 33(1), 017103, 2021
  25. Kumar, K.P.P., and Vaidyanathan, A., “Medium Independent Jet (MI-Jet) Engine”, Propulsion and Power Research, 9(3), 240-254, 2020
  26. Verma, N., and  Vaidyanathan, A., “Liquid jet break up behind a pylon in a supersonic flow”, Experimental Thermal and Fluid Science, 113 ,109984, 2020
  27. Ayyappan, D., Kumar S. A., Vaidyanathan, A., and Nandakumar, K., “Study on instability of circular liquid jets at subcritical to supercritical conditions using dynamic mode decomposition”, Physics of  Fluids, 32 (1), 014107 2020
  28. Panigrahi, C., Vaidyanathan, A., and Nair, M.T., “Effect of subcavity in supersonic cavity flow”, Physics of Fluids , 31(3), 036101, 2019 (The article is also featuring in Editor’s picks)
  29. Ayyappan, D., Vaidyanathan, A., Muthukuamaran, C.K., and Nandakumar, K., “Transition of subcritical liquid jets in single and multicomponent systems”, Physics of Fluids , 30(10), 104106, 2018
  30. Arakkaparambil, M.S., Kumar, P., and Vaidyanathan, A., “Computational Study of Heat Transfer Characteristics of Supercritical Methane Flow in the Coolant Channel of a Rocket Engine”, High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes, 22 (2-3), pp.141-159, 2018
  31. Ninish, S., Vaidyanathan, A., and Nandakumar, K., “Spray Characteristics of Liquid-Liquid Pintle Injector”, Experimental Thermal and Fluid Science, 97 pp. 324–340, 2018
  32. Lad, K.A., Vinil Kumar, R.R., and Vaidyanathan, A., “ Experimental Study of Subcavity in Supersonic Cavity Flow”, AIAA Journal, 56(5), pp. 1965-1977, 2018
  33. Kumar, M., and Vaidyanathan, A., “Oscillatory mode transition for supersonic open cavity flows”, Physics of Fluids , 30(2), 026101, 2018
  34. Kumar, M., and Vaidyanathan, A.,” On shock train interaction with cavity oscillations in a confined supersonic flow”, Experimental Thermal and Fluid Science, 90, pp.260-274, 2018
  35. Gautam, T., Lovejeet, G., and Vaidyanathan, A., “Experimental Study of Supersonic flow over cavity with aft wall offset and cavity floor injection”, Aerospace Science and Technology, 70, pp. 211-232, 2017
  36. Muthukumaran, C.K., and Vaidyanathan, A.,"Mixing Nature of Supercritical Jet in Subcritical and Supercritical Conditions", Journal of Propulsion and Power, 33 (4), pp. 842-857, 2017
  37. Muthukuamaran, C.K., and Vaidyanathan, A., “Initial instability of round liquid jet at subcritical and supercritical environments”, Physics of Fluids , 28 (7), 074104, 2016
  38. Kannayain, K., Banda, M. V.K., and Vaidyanathan, A., “Planar Sauter Mean Diameter Measurements in Liquid Centered Swirl Coaxial Injector using Laser Induced Fluorescence, Mie Scattering and laser diffraction techniques”, Acta Astronautica, 123, pp.257-270, 2016
  39. Malhotra A., and Vaidyanathan, A., “Aft Wall Offset Effects on Open Cavities in Confined Supersonic Flow”, Experimental Thermal and Fluid Science, 74, pp. 411-428, 2016
  40. Agarwal, D. K., Vaidyanathan, A., and Kumar S.S., “Experimental Investigation on Thermal Performance of Kerosene-Graphene Nanofluid”, Experimental Thermal and Fluid Science, 71, pp.126–137, 2016
  41. Viswakarma, M., and Vaidyanathan, A., “  Experimental Study of Mixing Enhancement Using Pylon in Supersonic Flow”, Acta Astronautica, 118, pp. 21–32, 2016
  42. Maurya, P.K., C. Rajeev, R.R. Vinil Kumar, and Vaidyanathan, A., “Effect of aft wall offset and ramp on pressure oscillation from confined supersonic flow over cavity”, Experimental Thermal and Fluid Science, 68, pp. 559-573, 2015
  43. Arora, R., and Vaidyanathan, A., “ Experimental investigation of flow through planar double divergent nozzle”, Acta Astronautica, 112, pp. 200–216, 2015
  44. Agarwal, D. K., Vaidyanathan, A., and Kumar S.S., “Investigation on Convective Heat Transfer Behaviour of Kerosene- Al2O3 Nanofluid”, Applied Thermal Engineering, 84, pp. 64-73, 2015
  45. Muthukuamaran, C.K., and Vaidyanathan, A., “Experimental study of elliptical jet from supercritical to subcritical conditions using planar laser induced fluorescence”, Physics of Fluids , 27 (3), 034109, 2015
  46. Muthukumaran, C. K., and Vaidyanathan, A., “Experimental study of elliptical jet from sub to supercritical conditions”,  Physics of Fluids , 26 (4), 044104, 2014
  47. Agarwal, D. K., Vaidyanathan, A., and Kumar S.S., “ Synthesis and Characterization of kerosene/Alumina Nanofluids”, Applied Thermal Engineering, 60, pp. 275-284, 2013
  48. Vaidyanathan, A., Gustavsson, J., and Segal, C., "One and Three Dimensional Wall Heat Flux Calculations in a O2/H2 System", Journal of Propulsion and Power, 26 (1), pp. 186-189, 2010
  49. Vaidyanathan, A., Gustavsson, J., and Segal, C., "Oxygen/Hydrogen-Planar-Laser-Induced Fluorescence Measurements and Accuracy Investigation in High-Pressure Combustion", Journal of Propulsion and Power, 25 (4), pp. 864-874, 2009
  50. Conley, A., Vaidyanathan, A., and Segal, C., "Heat Fluxes Measurements for a GH2/GO2 Single-Element, Shear Injector”, Journal of Spacecraft and Rockets, 44 (3), pp. 633-639, 2007
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