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  • 2:48 PM, Friday, 19 Apr 2024

Department of Aerospace Engineering
     
Aravind Vaidyanathan, Ph.D.
Professor
 
Office
Tel:+91-471-2568435
Fax:+91-471-2568462
Email:aravind7@iist.ac.in













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]

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

Experience
  • 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).

Research Work / Area
  • RBCC based Hypersonic Propulsion and Medium Independent-Turbojet in Mars, Supersonic combustion, Cavity induced oscillation and Pylon based mixing in high speed flows, Vacuum Ejector
  • High pressure Methane-O2 and H2-O2 combustion, Combustion Instabilty in rocket engines, Rocket injector spray characterization, Launch Vehicle Design and Trajectory 
  • Laser Diagnostics: Concentration, Velocity and Droplet Size Measurements

Area of Interest
  • 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
International Conference
  1. 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
  2. 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 
  3. 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
  4. 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
  5. 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
  6. Dharan S.S., 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
  7. 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
  8. 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
  9. 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
  10. Ayyapan, D., 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
  11. Maurya, S., and Vaidyanathan, A., " Stagnation and Static Property Correlations for Equilibirum Flows", ICTACEM-2017/0580, International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017), IIT Kharagpur, 28-30 Dec 2017
  12. 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, 28-30 Dec 2017
  13. Ayyappan, D., Muthukumaran, C.K., Vaidyanathan, A., and Nandakumar, K., "Dynamics of Circular Liquid Jet at Supercritical Chamber Conditions", IHMTC2017-13-276,  24th National and 2nd International ISHMT-ASFTE Heat and Mass Transfer Conference (IHMTC 2017), BITS Pilani, Hyderabad, 27-30 Dec, 2017
  14. Saxon, A. M., Kumar, P.P., and Vaidyanathan, A., "A Computational Study to Investigate the Onset of Heat Transfer Deterioration for a Trans-critical of 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
  15. 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
  16. 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
  17. Agarwal, D.K., Peter, J., Vaidyanathan, A., and Kumar, S.S, “Measurement of thermal conductivity of kerosene-graphene nanofluid”, IHMTC2015-198,  23rd National and 1st International ISHMT-ASFTE Heat and Mass Transfer Conference, ISRO, Thiruvanathapuram, Dec 17-20, 2015
  18. 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-ASFTE Heat and Mass Transfer Conference, ISRO, Thiruvanathapuram, Dec 17-20, 2015
  19. Mathew, S., Kannayain, K., Vaidyanathan, A., and Tharakan, T.J., “Paramteric Studies on Spray Fan formed by a Triplet Impinging Injector”, IHMTC2015-1176,  23rd National and 1st International ISHMT-ASFTE Heat and Mass Transfer Conference, ISRO, Thiruvanathapuram, Dec 17-20, 2015
  20. Banda, M.V.K., Kannayain, K., and Vaidyanathan, A., “Spray Characterization of Liquid Centered Swirl Coaxial Injectors”, IHMTC2015-925,  23rd National and 1st International ISHMT-ASFTE Heat and Mass Transfer Conference, ISRO, Thiruvanathapuram, Dec 17-20, 2015
  21. Sanka, S.D.V.S., Kannayain, K., and Vaidyanathan, A., “Characterization of Gas Centered Swirl Coaxial Injectors”, IHMTC2015-1146,  23rd National and 1st International ISHMT-ASFTE Heat and Mass Transfer Conference, ISRO, Thiruvanathapuram, Dec 17-20, 2015
  22. 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
  23. 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
  24. 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
  25. 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
  26. Muthukumaran, C. K., Kannayain, 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
  27. 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 ISHMT – ASME Heat and Mass Transfer Conference, IIT Kharagpur, Dec 2013
  28. Muthukumaran, C. K., and Vaidyanathan A., “Flow Characteristics of Elliptical Jet from Sub to Supercritical Conditions”, HMTC1300411, 22nd National and 11th ISHMT – ASME Heat and Mass Transfer Conference, IIT Kharagpur, Dec 2013
  29. 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
  30. 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
  31. 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
  32. 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. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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, Mar 15-17, 2017
  15. 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
  16. Ninish, S., Vaidyanathan, A., and Nandakumar, K., "Characterization of Pintle Injectors", NAPC-2017-125, 1st National Aerospace Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
  17. Mehta, H., Kevikumar, L., and Vaidyanathan, A., "Cavity Flow Characterization using Phase Locked High Speed Schlieren and Unsteady Pressure Measurements", NAPC-2017-072, 1st National Aerospace Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
  18. Mohan, K., Munjal, P., and Vaidyanathan A., “Effect of pintle shape on internal shock sturcture of Expansion Deflection Nozzle", NSSW4-2016, 4th National Symposium on Shock Waves, Karunya University, Coimbatore, Feb 25-26, 2016
  19. Mohan, K., Sashidharan, V., and Vaidyanathan A., “Flow and Internal shock sturcture development in Planar Expansion Deflection Nozzle", NSSW4-2016, 4th National Symposium on Shock Waves, Karunya University, Coimbatore, Feb 25-26, 2016
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. Malhotra, A., Lovejeet, G., and Vaidyanathan A., “Investigation on the occurence of shock train phenomena 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
  26. 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
  27. Kannayain, 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
  28. Agarwal, H., and Vaidyanathan A., “Jet Instability of Non-Circular Jets”, NPC-2013-12006,  National Propulsion Conference, IIT Madras, Feb 2013
  29. 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
  30. 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
  31. 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. 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, https://doi.org/10.2514/1.B39248
  2. Sekar, A., and Vaidyanathan, A., “Liquid and aerated jets behind different pylon configurations in supersonic crossflow”, International Journal of Multiphase Flow", 175 (2024) 104790
  3. 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
  4. Prasath M., Desikan S.L.N., and Vaidyanathan, A., “Oscillatory characteristics of cavities in supersonic flow”, European Journal of Mechanics / B Fluids (98), 224–237, 2023
  5. 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
  6. 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
  7. 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
  8. Chavan, T., Chakraborty, M., Vaidyanathan, A., "Experimental and modal decomposition studies on cavities in supersonic flow", Experimental Thermal and Fluid Science, 135, 110600, 2022
  9. 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
  10. Jain, P., and Vaidyanathan, A.," Aero-acoustic feedback mechanisms in supersonic cavity flow with subcavity”, Physics of Fluids, 33(12), 126102, 2021
  11. Chakraborty, M., Vaidyanathan, A., and Desikan, S.L.N., " Experiments on atomizaion and spray characteristics of an effervescent strut injector", Physics of Fluids, 33(1), 017103, 2021
  12. Kumar, K.P.P., and Vaidyanathan, A., “Medium Independent Jet (MI-Jet) Engine”, Propulsion and Power Research, 9(3), 240-254, 2020
  13. Ayyappan, D., Kumar, S. A., Vaidyanathan, A., and Nandakumar, K., “Study on instability of circular liquid jets at subcrtical to supercritical conditions using dynamic mode decomposition”, Physics of Fluids , 31(1), 014107, 2020
  14.  Verma, N., and  Vaidyanathan, A., “Liquid jet break up behind a pylon in a supersonic flow”, Experimental Thermal and Fluid Science, 113 ,109984, 2020
  15. 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)
  16. 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
  17. 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
  18. Ninish S., Vaidyanathan, A., and Nandakumar, K., “Spray Characteristics of Liquid-Liquid Pintle Injector”, Experimental Thermal and Fluid Science, 97 pp. 324–340, 2018
  19. 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
  20. Kumar, M., and Vaidyanathan, A., "Oscillatory mode transition for supersonic open cavity flows", Physics of Fluids, 30(2), 026101, 2018
  21. 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
  22. Guatum, T., Lovejeet, G., and Vaidyanathan, A., "Experimental Study of Supersonic flow over cavity with aftwall offset and cavity floor injection", Aerospace Science and Technology, 70, pp.211-232, 2017
  23. 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
  24. Muthukumaran, C.K., and Vaidyanathan, A., “Initial Instability on round liquid jet at subcritical and supercritical environments”, Physics of Fluids, 28 (7), 074104, 2016
  25. Kannayain, K., Banda, M.V.K., and Vaidyanathan, A., "Planar Sauter Mean Diamter Measurements in Liquid Centered Swirl Coaxial Injector using Laser Induced Fluorescence, Mie Scattering and laser diffraction techniques", Acta Astronautica, 123, pp. 257-270, 2016
  26. 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
  27. 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
  28. Viswakarma, M., and Vaidyanathan, A., “Experimental Study of Mixing Enhancement Using Pylon in Supersonic Flow”, Acta Astronautica, 118, pp. 21-32, 2016
  29. 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
  30. Arora, R., and Vaidyanathan, A., “ Experimental investigation of flow through planar double divergent nozzle”, Acta Astronautica, 112, pp. 200–216, 2015
  31. 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
  32. Muthukumaran, 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
  33. Muthukumaran, C. K., and Vaidyanathan, A., “Experimental study of elliptical jet from sub to supercritical conditions”, Physics of Fluids , 26 (4), 044104, 2014
  34. Agarwal, D. K., Vaidyanathan, A., and Kumar S.S., “ Synthesis and Characterization of kerosene/Alumina Nanofluids”, Applied Thermal Engineering, 60, pp. 275-284, 2013
  35. 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
  36. 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
  37. 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

BOOK CHAPTERS:

  1. Ayyappan D., Vaidyanathan A., Muthukumaran C.K., Nandakumar K. (2019) Study of Instability Nature of Circular Liquid Jet at Critical Chamber Conditions. In: Agarwal A., Gupta J., Sharma N., Singh A. (eds) Advanced Engine Diagnostics. Energy, Environment, and Sustainability. Springer, Singapore
  2. Maurya P.K., Rajeev C., Kumar R.V., Vaidyanathan, A., (2017) Effect of Aft Wall Offset on Supersonic Flow over Cavity. In: Saha A., Das D., Srivastava R., Panigrahi P., Muralidhar K. (eds) Fluid Mechanics and Fluid Power – Contemporary Research. Lecture Notes in Mechanical Engineering. Springer, New Delhi
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