Dr.
V. Aravind
Professor
- R-106
- aravind7 [at] iist.ac.in
-
+91-471-2568435
Department
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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.
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Ninish, S., Vaidyanathan, A., and Nandakumar, K., “Characterization of Pintle Injectors”, NAPC-2017-125, 1stNational Aerospace Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Agarwal, H., and Vaidyanathan A., “Jet Instability of Non-Circular Jets”, NPC-2013-12006, National Propulsion Conference, IIT Madras, Feb 2013
- 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
- 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
- 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
- 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)
- 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)
- 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
- 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
- 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
- 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
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
- 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,
- Sekar, A., and Vaidyanathan, A., “Liquid and aerated jets behind different pylon configurations in supersonic crossflow”, International Journal of Multiphase Flow, 175 (2024) 104790
- 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
- 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
- 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
- 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
- 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
- Chavan, T., Chakraborty, M., Vaidyanathan, A., “Experimental and modal decomposition studies on cavities in supersonic flow”, Experimental Thermal and Fluid Science, 135, 110600, 2022
- 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
- Jain, P., and Vaidyanathan, A.," Aero-acoustic feedback mechanisms in supersonic cavity flow with subcavity”, Physics of Fluids, 33(12), 126102, 2021
- 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
- Kumar, K.P.P., and Vaidyanathan, A., “Medium Independent Jet (MI-Jet) Engine”, Propulsion and Power Research, 9(3), 240-254, 2020
- Verma, N., and Vaidyanathan, A., “Liquid jet break up behind a pylon in a supersonic flow”, Experimental Thermal and Fluid Science, 113 ,109984, 2020
- 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
- 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)
- 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
- 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
- Ninish, S., Vaidyanathan, A., and Nandakumar, K., “Spray Characteristics of Liquid-Liquid Pintle Injector”, Experimental Thermal and Fluid Science, 97 pp. 324–340, 2018
- 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
- Kumar, M., and Vaidyanathan, A., “Oscillatory mode transition for supersonic open cavity flows”, Physics of Fluids , 30(2), 026101, 2018
- 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
- 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
- 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
- Muthukuamaran, C.K., and Vaidyanathan, A., “Initial instability of round liquid jet at subcritical and supercritical environments”, Physics of Fluids , 28 (7), 074104, 2016
- 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
- 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
- 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
- Viswakarma, M., and Vaidyanathan, A., “ Experimental Study of Mixing Enhancement Using Pylon in Supersonic Flow”, Acta Astronautica, 118, pp. 21–32, 2016
- 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
- Arora, R., and Vaidyanathan, A., “ Experimental investigation of flow through planar double divergent nozzle”, Acta Astronautica, 112, pp. 200–216, 2015
- 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
- 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
- Muthukumaran, C. K., and Vaidyanathan, A., “Experimental study of elliptical jet from sub to supercritical conditions”, Physics of Fluids , 26 (4), 044104, 2014
- Agarwal, D. K., Vaidyanathan, A., and Kumar S.S., “ Synthesis and Characterization of kerosene/Alumina Nanofluids”, Applied Thermal Engineering, 60, pp. 275-284, 2013
- 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
- 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
- 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