Numerical Investigation of Pre-evacuation Influences of Second Throat Exhaust Diffuser


  1. Park, B.H., Lim, J., Park, S., Lee, J. H., and Yoon, W.S. “Design and Analysis of a Second-throat Exhaust Diffuser for Altitude Simulation”, Journal of Propulsion and Power, Vol. 28, No. 5, pp.1091-1104, 2012.
  2. Annamalai, K., Satyanarayana, T.N.V., Sriramulu, V., and Bhaskaran, K.A., “Development of Design Methods for Short Cylindrical Supersonic Exhaust Diffuser”, Experiments in Fluids, Vol. 29, No. 4, pp. 305-308, 2000.
  3. Sankaran, S.,Satyanarayana, T.N.V., Annamalai, K., Visvanathan, K., Babu, V., and Sundararajan, T.,“CFD Analysis for Simulated Altitude Testing of Rocket Motors”, Canadian Aeronautics and Space Journal, Vol. 48, No. 2, pp.153-162, 2002.
  4. Bartosiewicz, Y., Aidoun, Z., Desevaux, P., and Mercadier, Y., “Numerical and Experimental Investigations on Supersonic Ejectors”, International Journal of Heat and Fluid Flow, Vol. 26, No. 1, pp. 56–70, 2005.
  5. Kumaran, R.M. Sundararajan, T., and Raja., M.D., “Pressure Variation in Thrust Chamber During High Altitude Simulation”, AIAA Paper 2009-798, 2009.
  6. Park, B.H., Lim, J.H., and Yoon, W.,“Fluid Dynamics in Starting and Terminating Transients of Zero-secondary Flow Ejector”, International Journal of Heat and Fluid Flow, Vol. 29, No.1, pp. 327–339, 2008.
  7. Ashokkumar, R. Sankaran, S., and Sundararajan, T.,“Investigation on the Performance of Second Throat Supersonic Exhaust Diffuser for Starting Higher Area Ratio Nozzles”, AIAA Paper 2012-3294, 2012.
  8. Ashokkumar, R., Sankaran, S., Srinivasan, K., and Sundararajan, T., “Effects of Vacuum Chamber and Reverse Flow on Supersonic Exhaust Diffuser Starting”, Journal of Propulsion and Power, Vol. 31, No. 2, pp. 750-754, 2015.
  9. Annamalai, K., Visvanathan, K.; Sriramulu, V., and Bhaskaran, K.A.,“Evaluation of the Performance of Supersonic Exhaust Diffuser Using Scaled Down Models”, Experimental Thermal and Fluid Science, Vol. 17, No. 3, pp. 217-229, 1998.
  10. Park, B.H.,Lee, J.H., and Yoon, W.., “Studies on the Starting Transient of a Straight Cylindrical Supersonic Exhaust Diffuser: Effects of Diffuser Length and Pre-evacuation State”, International Journal of Heat and Fluid Flow, Vol. 29, No. 5, pp. 1369–1379, 2008.
  11. Fouladi, N., Mohammadi, A., and Rezaei, H., “Numerical Design and Analysis of Supersonic Exhaust Diffuser in Altitude Test Simulator”, Modares Mechanical Engineering, Vol. 16, No. 8, pp. 159-168, 2016 (In Persian).
  12. Kumaran, R.M. Sundararajan, T., Manohar, D.R., “Simulations of High Altitude Tests for Large Area Ratio Rocket Motors”, AIAA Journal, Vol. 51, No. 2, pp. 433-443, 2013.
  13. Yeom, H.W. Yoon, S., and Sung, H.G.,“Flow Dynamics at the Minimum Starting Condition of a Supersonic Diffuser to Simulate a Rocket’s High Altitude Performance on the Ground”, Journal of Mechanical Science and Technology, Vol. 23, No. 1, pp. 254-261, 2009.
  • Receive Date: 07 February 2018
  • Revise Date: 22 February 2023
  • Accept Date: 19 September 2018
  • Publish Date: 15 July 2017