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. 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, Mar 15-17, 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, 1st National Aerospace Propulsion Conference, IIT Kanpur, Mar 15-17, 2017
22. 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
23. 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
24. 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
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 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
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. 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
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