Personal Information
Full Name: Prof. T. Chandra Sekar
Email: tchandra[at]aero.iitb.ac.in


Specialization: Propulsion

Background

    Education

    • PhD, Indian Institute of Technology Kanpur, Kanpur, India

     

R&D
Publications: 

Peer-Reviewed Journal

  1. Sekar, T. C., Ramraj H. Sundararaj, Rajat Arora, and Abhijit Kushari, “Performance of a Turbojet Engine with Fluidic Thrust Vectoring” Aeronautical Journal. https://doi.org/10.1017/aer.2022.27
  2. Sundararaj, R. H., Sekar, T. C., Arora, R., and Kushari, A. “Effect of Nozzle Exit Area on the Performance of a Turbojet Engine” Aerospace Science and Technology, 2021, Vol. 116, p. 106844. https://doi.org/10.1016/j.ast.2021.106844
  3. T. Chandra Sekar, Kundan Jaiswal, Rajat Arora, Ramraj H. Sundararaj, Abhijit Kushari, and Avijeet Acharya “Nozzle Performance Maps for Fluidic Thrust Vectoring,” Journal of Propulsion and Power, Vol. 37, No. 2, 2021, pp. 314–325. https://doi.org/10.2514/1.B38044
  4. T. Chandra Sekar, Ravindra Agarwal, Alakesh Chandra Mandal, and Abhijit Kushari, “Behavior of an aeroelastic system beyond critical point of instability,” Physics of Fluids, Vol. 29, No. 11, pages 114103-114119, 2017. https://doi.org/10.1063/1.4994153
  5. P. Rajkumar, T. Chandra Sekar, A. Kushari, B. Mody and B. Uthup, “Flow Characterization for a Shallow Single Serpentine Nozzle with Aft Deck,” Journal of Propulsion and Power, Vol. 33, No. 5, pp. 1130-1139, Sept-Oct 2017. https://doi.org/10.2514/1.B36341
  6. T. Chandra Sekar, A. Kushari, B. Mody, B. Uthup, “Fluidic thrust vectoring using transverse jet injection in a converging nozzle with aft-deck,” Experimental Thermal and Fluid Science, Vol. 86, September 2017, pp. 189 - 203. https://doi.org/10.1016/j.expthermflusci.2017.04.017
  7. Sundararaj, R. H., Kumar, R. D., Raut, A. K., Sekar, T. C., Pandey, V., Kushari, A. and Puri, S. K., “Combustion and emission characteristics from biojet fuel blends in a gas turbine combustor,” Energy, 2019, https://doi.org/10.1016/j.energy.2019.06.060

Conference/Symposium

  1. Sekar, T. C., Ramraj H. Sundararaj, Rajat Arora, and Abhijit Kushari, “Performance of a Turbojet Engine with Fluidic Thrust Vectoring,” ISABE-2022-241, Accepted for ISABE 2022 conference, Canada, and published in Aeronautical Journal.
  2. Sekar, T. C., Kushari, A., and Mandal, A. C, “Control of limit cycle oscillations (LCO’s) of an aeroelastic system using steady micro-jets,” Online Symposium on Aeroelasticity, Fluid-Structure Interaction, and Vibrations, Aeroelasticity 2021, 14-15 October 2021.
  3. T. Chandra Sekar, Ramraj H. Sundararaj, Rajat Arora, and Abhijit Kushari, “Analysis of Failed Startup Sequence of a Single Spool Turbojet Engine” Proceedings of ASME Turbo Expo 2020, GT2020-14778. V008T20A008, pp. 1-7.  https://doi.org/10.1115/GT2020-14778
  4. Ramraj H. Sundararaj, T. Chandra Sekar, Rajat Arora, and Abhijit Kushari, “Design and Development of an Engine Nozzle Testing Facility” Proceedings of ASME Turbo Expo 2020, GT2020-14779. V008T20A009, pp. 1-8. https://doi.org/10.1115/GT2020-14779
  5. T. Chandra Sekar, A. C. Mandal, and Abhijit Kushari, “Hysteresis in Flutter,” The 2018 World Congress on Advances in Civil, Environmental, & Materials Research (ACEM18) Songdo Convensia, Incheon, Korea, August 27 - 31, 2018, pp. 1-10.
  6. Ravindhra Agarwal, T. Chandra Sekar, A. C. Mandal, and Abhijit Kushari, “Design and Development of Experimental Model to Study Aerodynamic Flutter and Identification of Flutter Precursors”, FMFP2016–PAPER NO. 24, Proceedings of the 6th International and 43rdNational Conference on Fluid Mechanics and Fluid Power, December 15-17, 2016, MNNITA, Allahabad, U.P., India.
  7. P. Rajkumar, T. Chandra Sekar, Abhijit Kushari, Bhavik Mody and Biju Uthup, “Fluidic Thrust Vectoring in a Shallow Single Serpentine Nozzle with Elliptic Exit and Aft-Deck,” ACGT2016 065, Proceedings of the Asian Congress on Gas Turbines ACGT2016, 14-16 November 2016, Indian Institute of Technology Bombay, Mumbai, India. pp. 1-6.
  8. Rajat Arora, Ramraj H Sundararaj, T. Chandra Sekar, M. C. Keerthi and Abhijit Kushari, “Three Axis Nozzle Thrust Measurement,” ACGT2016 066, Proceedings of the Asian Congress on Gas Turbines ACGT2016, 14-16 November 2016, Indian Institute of Technology Bombay, Mumbai, India. pp. 1-6.
  9. M. C. Keerthi, Ramraj H. Sundararaj, T. Chandra Sekar, Rajat Arora and Abhijit Kushari, “Design and characterization of an annular cascade tunnel” ACGT2016 067, Proceedings of the Asian Congress on Gas Turbines ACGT2016, 14-16 November 2016, Indian Institute of Technology Bombay, Mumbai, India. pp. 1-9.
  10. T. Chandra Sekar, A. C. Mandal, and Abhijit Kushari, “Behavior of wake during flutter of a wing section”, Student poster 26, 8th Symposium on Applied Aerodynamics & Design of Aerospace Vehicles, Nov. 29,30 & Dec. 1, 2018, Bengaluru, India.
  11. Ramraj H. Sundararaj, T. Chandra Sekar, Rajat Arora, and Abhijit Kushari, “Performance Simulation of an Engine Retrofitted with Thrust Vectoring Capabilities” ASME 2019 Gas Turbine India Conference, Chennai, India, 2019, V002T09A007; pp. 1-8. https://doi.org/10.1115/GTINDIA2019-2448

Book Chapter

  1. T. Chandra Sekar, Ramaraj, H, Sundararaj, Rajat Arora, Abhijit Kushari (2021) Starting Characteristics of a Micro Gas Turbine Engine at Different Loading Conditions. In: De A., Gupta A., Aggarwal S., Kushari A., Runchal A. (eds) Sustainable Development for Energy, Power, and Propulsion. Green Energy and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-15-5667-8_16
  2. Arora R., Sundararaj R.H., Chandra Sekar T., Saxena S., Kushari A. (2022) Aerodynamic and Aero-Acoustic Performance of an Adjustable Pitch Axial Flow Fan. In: Gupta A.K., De A., Aggarwal S.K., Kushari A., Runchal A.K. (eds) Advances in Energy and Combustion. Green Energy and Technology. Springer, Singapore. DOI: 10.1007/978-981-16-2648-7_3 

Patents

  1. Kushari, A., Sekar, T. C., Upadhyay, C. S., Keerthi, M. C., Arora, R., and Ramraj, H, S., “Force Measurement Arrangement,” Patent filing No. 201911022443A, India, 2019.
R&D Areas/Projects: 

    Areas of Interest

    • Experimental Fluid Mechanics
    • Fluid-Structure Interaction
    • Aeroelasticity/Aerothermoelasticity - Prediction and Active Flutter Supression (AFS)
    • Gas Turbines - Performance, Testing and Integration
    • Turbomachines
    • Thrust Vectoring - Mechanical and Fluidic
    • Active Flow control

    Projects Worked on

    • Aero-thermo-elastic analysis
    • Flutter and Limit Cycle Oscillations (LCO’s) of a Wing Section and Control of LCO’s
    • Fluidic Thrust Vectoring (FTV) in a 3-D Nozzle
    • Propulsion system design for UAV
    • Performance of the Bio-fuel for aviation application

     

PhD TA Topics: 
    • Active Flutter Supression (AFS) - Implement AFS on aeroelastic model in wind tunnel
    • Engine Performance Analysis - Identification of propulsion system performance requirements of an aircraft for FTV