Optimization of Sonic Boom Suppression by Off-Body Energy Deposition

Abstract:

Sonic boom suppression method is the key technology of next generation supersonic aircraft. Low boom mechanism of the off-body energy deposition is analyzed by using the thermal chocking model. The mass flux of energy deposition region is small than no energy deposition region, and off-body energy deposition will induce a bow shock wave. The mechanism of off body energy deposition is similar with quiet spike, so it can be regard as a virtual quiet spike. Off-body energy deposition analysis software is developed based on CFD, waveform parameter method and NSGA-II genetic algorithm. The location coordinate, value, shape and location number of energy deposition are the key parameters in low boom design. Initial pressure of optimized energy deposition decrease near about 54.65 than no energy deposition, and rise time increase 543.2%.

• Periodical: Applied Mechanics and Materials (Volumes 477-478)
• Pages: 7-13
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.477-478.7
• Online since: December 2013
• Authors: Xiao Qiang Feng*, Zhan Ke Li, Jian Hua Sang, Bi Feng Song
• Keywords: CFD, Off-Body Energy Deposition, Shock Wave, Sonic Boom

References

[1] Seongim Choi, Juan J.A. Multi-fidelity design optimization of low boom supersonic jets. Journal of aircraft, 2008, 45(1): 106-118.

[2] Seebass A R. Sonic boom theory. Journal of Aircraft, 1969, 6(13): 177-184.

[3] Wu Li, Karl Geiselhart. Mixed fidelity approach for design of low boom supersonic aircraft. Journal of aircraft, 2011, 48(4): 1131-1135.

DOI: 10.2514/1.c000228

[4] Donald C Howe. Development of the gulfstream quiet spike for sonic boom minimization. AIAA-2008-0124, (2008).

DOI: 10.2514/6.2008-124

[5] Richard B Miles, Luigi Martinelli, Sergey O Macheret. Suppression of sonic boom by dynamic off body energy deposition and shape optimization. AIAA-2002-0150, (2002).

DOI: 10.2514/6.2002-150

[6] Wang jian, Li ying hong, Cheng bang qin. Effect of plasma aerodynamic actuation on oblique shock wave in a cold supersonic flow. Journal of Physics D: Applied Physics. 42, 165503, (2009).

DOI: 10.1088/0022-3727/42/16/165503

[7] Sohail H Zaidi, M N Shneider, D K Mansfield. Influence of upstream pulsed energy deposition on a shockwave structure in supersonic flow. AIAA-2002-2703, (2002).

DOI: 10.2514/6.2002-2703

[8] Thomas C L. Extrapolation of sonic boom pressure signatures by the waveform parameter method. NASA TND-6832, (1972).

[9] Kalyanmoy D, Pratap A. A fast and elitist mul-ti-objective genetic algorithm: NSFA-II. IEEE transaction on evolutionary computation, 2002, 6(2): 182-197.

[10] O A Kandil. Prediction of sonic boom signature using Euler-full potential CFD with grid adaptation and shock fitting[R]. AIAA-2002-2542, (2002).

DOI: 10.2514/6.2002-2542

[11] Feng xiao qiang, Song bi feng, Li zhan ke, et al. Hybrid optimization approach research for low boom supersonic aircraft configuration. Acta Aeronautica et Astronautica sinica, 2013, 34(8): 1768-1777(in Chinese ).