(1)             Start-up Activity

Intercosmos – A Space Start-up company pre-incubated at STIIC, IIST

Intercosmos representatives- Mr. Gokul, Mr. Aravind and Mr. Sivaraj

Technical Mentor – Prathap C, Aerospace, & Prof Sreejalekshmi, Chemistry, IIST

Intercosmos, a start-up company is in a mission for a “Development of Green hypergolic propellant, HyperX, for space transportation” has incubated at STIC, IIST on May 2022. Their dream is to capture the exponentially growing space market with their green hypergolic propellant. The objective is to design a bi-propellant that is both environment and handling friendly. Their bi-propellant is a combination of liquid fuel with an indigenous catalyst and hydrogen peroxide as an oxidizer. The catalyst is the key ingredient as it aids in the hypergolic combustion. Ignition delay measurement is the norm for testing the hyperbolic nature of the bi-propellant. It is in progress under static conditions at the Department of Aerospace Engineering, IIST. After finding a successful combination, a 10-20N thruster will be developed for operating it with this green bi-propellant along with the catalyst.

(2)On-going projects

 Experimental and Numerical Investigation of Direct Contact Condensation of GCO2/ Steam in LN2, IIST/ LPSC/03/2021/16, 21Jul2022-20 Jul 2025, Budget – 48.52 Lakhs, Sponsor – Liquid Propulsion Space Center, Valimala (35 Lakhs), ASRG, IIST – 13.52 Lakhs

PI – Prathap C & Manu K V (Aerospace, IIST), Co-PI - Dr. Deepak Kumar Agarwal & Mr. Anant Singhal (LPSC, Valiamala)

ISRO is developing a semi-cryo engine. In that engine, the vitiated gases expanded after the booster turbine needs to be injected in the LOX from booster pump. The challenge is that the vitiated gases needed to condense to liquid phase before it reaches the main pump. There are chances that the H2O(g) and GCO2 in the vitiated gases may undergo solidification to form condensate particles which may affect the main pump as well as the injectors in the engine. Hence, it is essential to understand the multi-phase Direct Contact Condensation. The scope of this project is to understand this multi-phase condensation of steam/ GCO2 in LN2 using experiments and numerical simulations. To investigate the direct contact condensation of GH2O/ GCO2 jet in a stagnant pool of LN2, a constant volume, optical cryo-chamber was fabricated to measure the penetration depth of the gaseous jet in LN2. High-speed shadowgraphy, and unsteady pressure measurements are used to measure the DCC of jet. ANSYS simulations are performed to find the correct condensation model. Finally, the penetration depth and the heat transfer coefficient of the injected jet will be estimated.

(3)Completed projects

Industrial projects

1)     Effect of H2 blending in Natural Gas, an Industrial Consultancy project awarded by Oil India Limited, Duliajan, Budget – 1.28 Crores, IIST’s share – 18.66 Lakhs, 9 Mar 2022-8 Sep 2023

PI – Prof Senthil Murugan, IITG, Co-PI – Prathap C, IIST, Prof Vimal Kumar, IIT Roorkee

In line with the recent Indian Government’s National Hydrogen Mission Policy, Oil India Limited (OIL), Duliajan, Assam, needed a comprehensive study on the effect of Hydrogen blending in Wet Natural Gas (produced only in the North Eastern India) in the Assam Gas Network in a year’s duration. Prof Senthil Murugan and his team at IITG, along with Prathap C, IIST, and Prof Vimal Kumar, IIT Roorkee had been awarded a project to understand the following: (1) Impact on the existing pipe network in terms of corrosion, (2) Study on mitigation strategies to minimize the corrosion effect, (3) Impact on industrial end-use application such as the use of NG in IC engine, tea garden, power generation system. IIST’s role is to find an optimal blend of CNG and H2 for the successful and safe implementation in end use applications like domestic burner, IC engine, and a gas turbine without any major modifications, through measurements and simulations.

DoS Sponsored Projects

1)     Development of Laser Ignition Systems (Principal investigator: Dr. K. B. Jinesh and co investigator: C. Prathap), Sponsor – LPSC Valiamala, Budget – 31.14 Lakhs

The main objectives of the proposed study in a MOU with LPSC, Valimala are (a) to demonstrate the feasibility of laser ignition systems (LIS) in the LPSC model combustor using an existing Nd:YAG laser system at IIST. (b) To evaluate the ignition characteristics of the stagnant CH4-O2 mixture in a combustion chamber at IIST using LIS to compare it with conventional ignition methods. (c) To develop a Laser Ignition System using a miniaturized commercial laser. The intended laser system under the present proposal is only for ground application as it is not space qualified. (d) To demonstrate the ignition of GH2-LOX mixture in a Steering Engine at scaled down pressures. The first phase of the experiments got completed in the following ways. Feasibility study of LIS was performed using Nd:YAG Laser at IIST in a combustion chamber provided by PRS/LPSC. CH4 - O2 mixture was used. Experiments were conducted by LPSC scientists at IIST with the help of PI/ research students at IIST. Air plasma generation trials were accomplished by Nd:YAG laser @ 532nm as wells as minimization of laser power to generate laser plasma with different lens configurations were performed. Experiments were conducted with laser ignition of CH4-O2 at diluted conditions, and it was proved that igniting with a single shot laser was not feasible with Qsmart-420 laser. Later, the laser ignition was tested successfully with CH4-O2 mixture in steering engine at LPSC Valimala. Last phase or to be completed is to test the system at IPRC Mahendragiri with LOX-GH2 system at the actual thruster conditions.

2)     Experimental and Numerical study of stationary flat flames (2016AEISRO033, 2017-2020), PI – Prathap C, Co-PI – Dr. Nandakumar, and Mr. M.P.Assiz (PRS, LPSC Valiamala), Budget – 52.8 Lakhs, Sponsor - DOS

The objective of the present work was to design, fabricate and characterize a flat flame burner which anchors planar laminar premixed flames. To calibrate the burner, premixed methane-air flame was anchored and its Laminar Burning Velocity (LBV) was measured at near adiabatic condition. Then the flow field at the exit of the burner was measured using planar particle image velocimetry at both cold and reactive flow conditions. Flat flame burner was designed according to literature and fabricated. It consisted of a custom drilled perforated plate of 1611 holes with a diameter of 0.5mm. K-type thermocouples with a bead diameter of 0.25mm were used to measure the radial temperature distribution of burner plate. Burner was provided with a constant flow rate of premixed methane-air mixture at known equivalence ratio at 300K. A planar flame was anchored. From the information of reactant flow rate and flame across sectional area, LBV was estimated. LBV of 35.8±0.22cm/s was measured for premixed methane-air mixture which exactly matched with literature data. This validated the functioning of the newly constructed flat flame burner. Also, in the present work, velocity field at the exit of the burner was also measured using PIV. Dual pulsed Nd: YAG Laser, light sheet optics and CCD Camera were used to track the seeding particles in a plane and to record the Mie scattered information. Zirconium Dioxide solid seeding particles were used. Acquired images were post processed using commercial PIV Software. Experiments were conducted for a mean unburned gas velocity of 25cm/s, 35cm/s and 40cm/s at Ф=0.8,1.0 and 1.3 at both isothermal and reacting flow conditions. Axial and radial velocity distribution at the exit of the burner were measured with the help of PIV.

3)    Experimental investigation of laminar burning velocity of premixed ISROSENE/ AIR/ OXYGEN mixtures using freely expanding spherical flames, (2016AEISRO034, 2017-2021)PI – Prathap C, Co-PI – Dr. Nandakumar, and Mr. M.P.Assiz (PRS, LPSC Valiamala), Budget – 19.2 Lakhs, Sponsor – DOS

The objective of the present work was to measure the unstretched laminar burning velocity of isrosene-air mixtures at 400-425K and p=1-3 bar along with the flame stability. The composition of isrosene (C11.68H23.36)was estimated from the data provided by LPSC Valiamala. Synthetic air (21%O2 and 79%N2) prepared from ultrapure O2 (99.995%) and ultrapure N2 (99.9995%). A new cuboidal chamber was fabricated. The present new rig and its procedure was validated using n-decane and n-dodecane at 430K and 1 bar. ANSYS CHEMKIN along with JetSURF detailed chemical kinetic scheme was used to predict the LBV of the validation experiments and it showed an excellent agreement with the measurements. Later unstretched LBV of isrosene was performed at 400-425K and 1-3 bar. As the isrosene species or its representatives were not available in any of the existing reaction mechanism, the following surrogates such as 50% n-decane and 50% n-dodecane and a surrogate (80% n-decane and 20% propyl benzene) similar to that of Aachen surrogate worked fine. Aachen surrogate needs to be further investigated in the next phase of the project. Also, isrosene reacting with pure O2 could not be performed as none of the simulations could run those cases successfully. Present reaction mechanisms are meant for low LBV mixtures. With pure O2 or with slightly diluted mixtures, the LBV of the mixture was expected to be around 100 cm/s even diluted with N2. As the present Aachen surrogate showed promising comparison, additional experiments needed to corroborate it at different mixture and thermodynamic conditions.

International conferences

1)      Sethuraman V.R., C. Prathap, Mathematical Modelling of a Steady State Combustion Chamber, IAES-2024-484 Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, LPSC, Thiruvananthapuram, Kerala, India

2)      A. Radhakrishnan, P. Pandi, R.K. Velamati, C. Prathap, A Study on the Computational Accuracy of Different Weighted Sum of Gray Gas Models, IAES-2024-478, Proceedings of the International Conference on Advances in Aerospace and Energy Systems, April 04-06, 2024, LPSC, Thiruvananthapuram, Kerala, India

3)      Vishnu Raj, and C. Prathap. Impact of Outlet Geometry on Annular Swirl Burner Flame Characteristics, P.No-317, Proceedings of the 10th International and 50th National Conference on Fluid Mechanics and Fluid Power (FMFP), IIT Jodhpur, 20-22 December 2023

4)      M.S. Krishnanunni, R. Natarajan, S. Purohit, I. Kalita, S. Senthil Murugan, C. Prathap. Effect of hydrogen addition on the Thermal performance of self-aspirating natural gas domestic burners, P.No-425, Proceedings of the 10th International and 50th National Conference on Fluid Mechanics and Fluid Power (FMFP), IIT Jodhpur, 20-22 December 2023

5)      A.Sarkar, J. Kuniyil, C. Prathap, Manu K V, and D. Agarwal. Direct Contact Condensation and Flow Characteristics Under Flow and Stagnant Condition in a Cryogenic Environment, 15th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, IIT Madras, 24-27 October 2023

6)      P.V. Sai Hemant, N. Aditya, J. Kuniyil, A. Sarkar, C. Prathap. Studies on Buoyancy Assisted Jets in Laminar Regime. 15th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, IIT Madras, 24-27 October 2023

7)      M.S. Krishnanunni, R. Natarajan, J.P. Madhav, S. Purohit, N. Mathur, S. Senthil Murugan, C. Prathap. Effect of hydrogen addition on the Thermal performance of self-aspirating LPG/ Natural gas domestic burners, 15th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows, IIT Madras, 24-27 October 2023

8)      Rajesh N, and C. Prathap. Effect of Hydrogen addition on laminar flame characteristics of n-Dodecane-Hydrogen-air mixtures at different thermodynamic conditions, Poster presentation at Indo-German International Conference on Metrology for the Deployment of Green Hydrogen and Renewable Fuels in India from 4th-6th April, 2022

9)      T. Krishnadath, C. Prathap, N Rajesh, T. Muniraja and S. Senthil Murugan. Measurement of laminar burning velocity of premixed mixtures of ethane/propane reacting in air and oxygen enriched air using freely expanding spherical flames. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–460

10)  Ankit Gupta, Vishnu Raj, Yash Asati, and Chockalingam Prathap, Investigation of the flow field at the exit of an annular unconfined swirl burner at cold flow conditions using particle image velocimetry. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–409

11)  M.A. Khan, C. Prathap, K.V.Manu, V. Ratna Kishore, V. Viswanath and D.K. Agarwal, Experimental and Numerical investigation of direct contact condensation of steam jet in stagnant subcooled water. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–417

12)  K. Raj, C. Prathap, Numerical Study on Catalyst Assisted Combustion of Premixed Oxy-Methane Mixtures in Platinum reactor. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–424

13)  Y. Asati, A. Mohammad, R.K. Velamati and C. Prathap, Numerical Investigation on the Lewis Number Effects on the Turbulent Premixed Swirl Stabilized Propane-Air Flames. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–420, 10.1615/IHMTC-2021.2580

14)  Ankit Tiwari, Chockalingam Prathap, S. Rambabu, and P. Parthasarathy, Numerical Investigation of Free Convection Heat Transfer In Porous Media. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–487

15)  G. Yaswanthram, M. Tippa, S. Subbiah, and C. Prathap, A study on data processing techniques of expanding spherical flames at constant pressure conditions. Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–534

16)  N. Rajesh, and C. Prathap, Investigation on the effects of pressure and Hydrogen addition on laminar burning velocity and flame stability of n-Dodecane-Hydrogen-air mixtures, Proceedings of the 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India, IHMTC2021–591

17)  Samridhi Sharma and C. Prathap. Modelling & Optimisation of non-contact type Liquid Desiccant Dehumidifier, 8th International and 47th National Conference on Fluid Mechanics and Fluid Power, IIT Guwahati, FMFP-2020-93

18)  Kesava Vishnu G, Midhun R, Assiz Mp, Jinesh K.B and Chockalingam Prathap, Investigation of Laser Ignition System (LIS) using Hydrogen, Methane and Propane Combustible mixtures, 8th International and 47th National Conference on Fluid Mechanics and Fluid Power, IIT Guwahati, FMFP2020-77

19)  V. Viswanath, J. Peter, D. K. Agarwal1, M. K. Vasudevan, C. Prathap, T.J. Tharakan, S.Sunil Kumar, Direct Contact Condensation of sub - sonic, inversely buoyant steam jet in a stagnant pool of water, 8th International and 47th National Conference on Fluid Mechanics and Fluid Power, IIT Guwahati, FMFP-2020-49

20)  Sudhansu Kandpal, C. Prathap, Thermodynamic Analysis of LOX/Methane Expander Cycles, Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), December 27-30, 2017, BITS-Pilani, Hyderabad, India

21)  F.C.C. Galeazzo, C. Prathap, M. Kern, P. Habisreuther, N. Zarzalis and C. Beck, “Investigations of an axially staged combustion system at elevated pressure conditions”, 25. Deutsch Flame day, 14. and 15. September 2011, p. 265-270, Karlsruhe, Germany.

22)  C. Prathap, F.C.C. Galeazzo, P. Kasabov, P. Habisreuther, N. Zarzalis, “Analysis of NOX formation in an axially staged combustion system at elevated pressure conditions”, Proceedings of ASME TURBO EXPO 2011, Vancouver, Canada.

23)  V. Ratna Kishore, Ring khang, C. Prathap, M.R.Ravi, and A. Ray, “Adiabatic burning velocity of H2–O2 mixtures diluted with CO2/N2/Ar”, 4th European Combustion Meeting, Apr 14-17, 2009, Vienna, Austria.

24)  C. Prathap, G. Anand. A. Ray, M. R. Ravi and J. P. Subrahmanyam, “Experimental Investigations of Laminar Burning Velocity of Methane-Hydrogen Fuel Mixtures”, 18th National and 7th ISHMT-ASME Heat and Mass Transfer Conference, Jan 04-06, 2006, IIT Guwahati, India.

25)  C.Prathap, M. R. Ravi and A. Ray, “Experimental investigations of dilution effects of nitrogen on the laminar burning velocity of dry Syngas fuel at atmospheric conditions”, First International conference and 20th National Conference of I.C. Engines and Combustion, December 06-09, 2007, JNTU Kukatpally, Hyderabad, India.

26)  C. Prathap, Dr. M.R. Ravi and Dr. A. Ray, “Effect of dilution by CO2 on laminar burning velocity and flame stability of dry syngas flames” accepted for POSTER presentation at 32nd International Symposium on Combustion, August 03-08, 2008, McGill University, Montreal, Canada.

National conferences

1.    Rajesh N, and C. Prathap. Impact of Hydrogen blending on laminar burning velocity and flame stability of methylcyclohexane/air mixtures, 27th National Conference on Internal Combustion Engines and Combustion, December 4-7, 2022, VIT, Chennai, Tamil Nadu, India, NCICEC22 – 446

2.    Aswathi Krishna, T. Muniraja, C. Prathap.Generation of Homogeneous Isotropic Turbulence Inside Fan Stirred Vessel NAPC-2018, 17-19 Dec 2018, IIT Kharagpur

3.    Meghasham Khandige, C. Prathap, Prof S.R Chakravarthy, Aritra Chakraborthy, Karthikeyan Rajasekar and Shrey Waghmare, Characteristic Study of stationary flames using Flat flame Burner. NAPC-2018, 17-19 Dec 2018, IIT Kharagpur

4.    S. Waghmare, R. Bharti, and C. Prathap, “Experimental Investigation of Turbulence inside a Confined Chamber” National Conference on Computational Heat Transfer, Fluid Flow and Energy Systems, Shri Chitra Thirunal College of Engineering, Thiruvananthapuram, Jan 19-20, 2018

5.    Sahu Deepakkumar and C. Prathap, Experimental study on turbulent flow field characteristics and flame stability at the exit of a premixed co-flow swirl burner, National Aerospace Propulsion Conference-2017, Mar 15-17, IIT Kanpur

6.    Aswathi Krishna, C. Prathap. Experimental Investigation on Flickering Conical Flames. National Conference on Evolution of Green And Materials Processing Technology, 02-03March 2017, SVCE, Sriperumbudur, Chennai

7.    Lokesh D, C. Prathap, Stretched and Unstretched Laminar Burning Velocities of Methane-Oxygen Mixtures Diluted with Nitrogen using conical flame method, 24th National Conference on Internal Combustion Engines and Combustion at UPES, Dehradun from 30.10.2015 to 01.11.2015

8.    R. Manikandan, C. Prathap and Rajesh Sadanandan, Experimental Investigation of Swirl Effects on Pollutant Emission Using OH Chemiluminescence Measurements, 24th National Conference on Internal Combustion Engines and Combustion at UPES, Dehradun from 30.10.2015 to 01.11.2015

9.    C. Prathap, M. R. Ravi and A. Ray, “Study of effects of variation of hydrogen concentration on combustion characteristics of methane-hydrogen-air mixtures”, 19th National Conference on IC Engines and Combustion, Dec 21-23, 2005, Annamalai University, Chidambaram, India.

10. C. Prathap, A. Ray and M. R. Ravi, “Experimental Investigations of Laminar Burning Velocity of H2-CO-Air mixtures”, National Conference of Research Scholars in Mechanical Engineering, March 23-24, 2007, IIT Kanpur, India.

11. C. Prathap, N. Nallusamy and L. N. Rao, “Analysis of Pressure Data in Diesel Engine Using DAQ System”, National conference on Advanced Trends in Mechanical Engineering Research and development, Dec 21, 2002, JNTU College of Engg, Anantapur.

1. 9 Sep 24 delivered a lecture in the Advanced Faculty Development Programme (FDP) titled “Sustainability Through Green Mobility- Hydrogen from Renewables as a Viable Source of Energy” at Sri Venkateswara College of Engineering, Chennai
2. 4-6 Apr 2024, attended the “International Conference on Advances in Aerospace and Energy Systems” at LPSC, Thiruvananthapuram. Chaired a session on 6 Apr 2024
3. 15 Jan 2024, attended the SCPP Workshop on Ammonia Combustion, IIT Bombay
4. 20-22 Dec 23, presented a paper titled “Effect of hydrogen addition on the Thermal performance of self-aspirating natural gas domestic burners” at the Proceedings of the 10th International and 50th National Conference on Fluid Mechanics and Fluid Power (FMFP), IIT Jodhpur
5. 29 Aug 23 participated in the Project progress presentation of Oil India project at IIT Guwahati
6. 15 Mar 2023, attended the “Conclave on Strategic and Regional Materials” at CSIR-NIIST, Thiruvananthapuram
7. 20-21 Jan 23, Delivered 15 lectures to 6th sem B.Tech Mechanical students in the topic of “Introduction to combustion, flame and its applications at Department of Mechanical engineering, Mepco Schlenk Engg. College, Sivakasi
8. 1-2 Aug 22 industrial visit to Oil India Town, Duliajan, Assam with regard to a collaborative project
9. 17 Feb 2022, attended and evaluated the State of Art Seminar presented by Mr. Vinay Sankar, IIT Jodhpur
10. 12 Feb 2022, Special Invitee in the 3rd BOS meeting in the Department of Mechanical Engineering, NS Raju Institute of Technology, Sontyam, Visakhaptnam – 531173
11. 9 Nov 2021, Member in SRC of PhD Student, Mr. Vinay Sankar, IIT Jodhpur mentored by Prof Sudipto Mukhopadyay and Prof Ratna Kishore Velamati
12. 28 Jul 2021, delivered an online lecture on the topic of "Direct Contact Condensation of Gaseous Jets” in Department of Mechanical Engineering, LBS College of Engineering, Kasaragod, Kerala
13. 19-21 Aug 21, Delivered 15 lectures to 6th sem B.Tech Mechanical students in the topic of “Introduction to combustion, flame and its applications at Department of Mechanical engineering, Mepco Schlenk Engg. College, Sivakasi
14. 25 Nov 2021, external expert in the 10th BOS meeting in the Department of Mechanical Engineering, Mepco Schlenk Engg. College, Sivakasi
15. 8 & 9 Feb 2021 Organized Guest lectures on “An Overview of the Chemical Rocket Propellants for (Indian) Space Programs” by Prof K.N. Ninan at IIST
16. 9 Feb 2021, External expert in the 9th BOS meeting in the Department of Mechanical Engineering, Mepco Schlenk Engg. College, sivakasi
17. 26 May 2021, Delivered an online lecture on the topic of "Towards a Cleaner Combustion” in Maharishi Markandeshwar (Deemed To Be University), Mullana
18. 3 Sep 2020, Delivered lecture on “Estimation of flame temperature – Domestic gas stoves to rocket combustion chambers” at T.K.M. College of Engineering, Kollam
19. 28-29 Feb 2020, Delivered 12 hours of lecture to a group of B. E. Mechanical Engineering students on “Introduction to combustion, flames and its applications” at “Mepco Schlenck Engineering college”, Sivakasi
20. 14-15 Feb 2020: Delivered a talk titled “Development of Laser Ignition Systems” at 7th P.J.Paul Memorial Combustion Researcher’s meet at IITB, Mumbai
21. 23 Nov 2019, Attended an one day colloquium on “AGNI 2019 on space systems heat transfer” at Trivandrum
22. 24 Jun 2019, Delivered lecture on “Introduction to Combustion towards IC Engine applications” in Faculty Developmental Program at Marian College, Trivandrum
23. 27-28 Dec 2018, 12 hours of Guest lecture to 30 B.E. Mechanical/ electrical/ electronics/ computer science Engineering students on “Introduction to combustion, flames and its applications” at “Mepco Schlenck Engineering college”, Sivakasi
24. 27-28 Mar 2018, Invited lecture on “Towards Cleaner combustion” in “National Workshop on Green Energies and Vehicles for Sustainable Environment” at Sri Venkateswara College of Engineering, Chennai
25. 12 Oct 2017, attended SERB funded workshop on Combustion Research in Automotive Applications at IIT Madras
26. 20-22 Sep 2017, attended SERB funded workshop on Combustion Research in Aerospace Applications at IISC Bangalore
27. 16-18 Sep 2017, 12 hours of Guest lecture to 30 B.E. Mechanical Engineering students on “Introduction to combustion, flames and its applications” at “Mepco Schlenck Engineering college”, Sivakasi
28. 05 Apr 2017, organized an Expert Talk on “Scramjet Engine Development Flight Testing” by Shri Lazar T Chitilappilly, VSSC Trivandrum at IIST
29. 17-18 Feb 2017, presented “Investigation of burning velocities using freely expanding flame method”, 4th PJ Paul combustion researcher’s meeting at HEMRL Pune
30. 27-28 Feb 2016: Delivered a talk titled “Analysis of an axially staged combustion system at elevated pressure conditions” at 3rd P.J.Paul Memorial Combustion Researcher’s meet at VSSC, Trivandrum
31. 12-22 Dec 2015, Attended and presented a poster at International Combustion Institute Winter School on combustion at IITM, Chennai
32. 7-8 Dec 2015, 15 hours of Lectures on “Introduction to Combustion, flame and its applications” for sixty, B.E. (6th sem) Mechanical Engineering students at MEPCO Schlenck Engg. College, Sivakasi
33. 30 Oct 2015, Attended and presented a Technical paper in 24 National Conference on Internal Combustion Engines and Combustion, UPES, Dehradun
34. 02 March 2015, Keynote Address on Cleaner Combustion and session chair, National Conference on Cleaner Energy and Vehicle Technology 2K15, Sri Venkateswara College of Engineering, Chennai
35. 20 Dec 2014, Invited Talk on “Is burning an important Engineering Challenge?” to an audience of 200 pre final year B.E. Mechanical Engineering students at Kongu College of Engineering, Perundurai, Erode
36. 13-15 June 2014, presented a paper titled “Experimental investigation of reacting jet in cross flow stream of vitiated air at elevated pressures” at IMEC14 conference, NIT Tiruchi
37. 17-18 March 2014, participated in Pan Indian Combustion Academics Colloquium workshop, IITMadras, Chennai
38. 15 March 2014, Chief Guest, STEM14, A national level Technical Symposium, Podhigai College of Engineering, Thirupattur