Engineering Method of Prediction of Plume Path of Air Launched Missile

  • Karuppanasamy Anandhanarayanan DRDO-Defence Research and Development Laboratory, Hyderabad - 500 058
  • Ankit Raj DRDL
  • Rajah Krishnamurthy DRDL
  • Debasis Chakraborty DRDL
Keywords: Store separation dynamics, Rigid body dynamics, Plume path, Thermal interference

Abstract

Separation dynamics study of an air-launched missile is a paramount task for ensuring the safety of launch aircraft. The study should certify that there is absolute absence of any physical interference of missile with the aircraft at any circumstance. It is also important to ensure that the interference of rocket motor plume of hot-launched missile does not have any significant effect on the structure, on board electronic components and sensitive parts of the aircraft. The plume ingestion into the aircraft intake is a critical problem which endangers the safety of the aircraft. Therefore, the prediction of plume path of hot-launched missile is a significant part of separation dynamics study. An engineering approach based on a particle tracking method was followed in predicting the plume path in the present work. Further, the method is modified using reverse particle tracking method to make it more efficient. The method is applied in predicting plume path for an air-to air-missile and is found that this approach gives reasonably accurate plume path with minimum computational requirements.

Author Biographies

Karuppanasamy Anandhanarayanan, DRDO-Defence Research and Development Laboratory, Hyderabad - 500 058

Dr K. Anandhanarayanan, received his BTech (Aeronautical Engineering) from MIT, Chennai, in 1991, ME (Guided Missiles) from IAT, Pune, in 1993 and PhD from Dept. of Aerospace Engineering, Indian Institute of Science, Bangalore, in 2004. He is working in the DRDO-Defence Research and Development Laboratory, Hyderabad. His areas of interests are Algorithm development for CFD applications, Grid-free Euler and Navier-Stokes solvers, Direct Simulation Monte Carlo based Euler-Boltzmann coupled solver for non-equilibrium transitional flows and Distributed Computing. He is a member of various bodies like the AeSI, IEI, and ASI.

Ankit Raj, DRDL
CFD Division, DOCD, Defence Research and Development Laboratory, Hyderabad
Rajah Krishnamurthy, DRDL
DOCD, Defence Research and Development Laboratory, Hyderabad
Debasis Chakraborty, DRDL
 Defence Research and Development Laboratory, Hyderabad

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Published
2020-03-09
How to Cite
Anandhanarayanan, K., Raj, A., Krishnamurthy, R., & Chakraborty, D. (2020). Engineering Method of Prediction of Plume Path of Air Launched Missile. Defence Science Journal, 70(2), 201-206. https://doi.org/10.14429/dsj.70.13853
Section
Missile System