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Journal of Projectiles, Rockets, Missiles and Guidance >

2022 , Vol. 42 >Issue 5: 117 - 122

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2022.05.022

Performance Analysis of Multivariable-adjustable Ducted Rocket

  • WANG Yuanyuan 1 ,
  • SUN Zhenhua 1, 2 ,
  • SHEN Xin 3 ,
  • HE Yongjie 1, 2
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  • 1 China Airborne Missile Academy, Luoyang 471009, Henan, China
  • 2 Aviation Key Laboratory of Science and Technology on Airborne Guided Weapons, Luoyang 471009, Henan, China
  • 3 The First Military Representative Office of Air Force Equipment Department in Luoyang, Luoyang 471009, Henan, China

Received date: 2021-07-13

  Online published: 2025-01-16

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Abstract

Directed against ducted rockets of multivariable-adjustable, adjustable-nozzle, adjustable-inlet and fixed-geometry, this paper carries out numerical simulation of working performance in full flight envelope curve. Then, compared and analyzed the conversion and specific difference of working performance of different types ducted rockets under different operating conditions. Results show that, adjustable-nozzle can improve the thrust performance of small throat diameter nonadjustable-nozzle at low altitude and low speed, as well as large throat diameter nonadjustable-nozzle at high altitude and high speed. Adjustable-inlet improves thrust great at low speed and adjustable-nozzle at high speed. On the basis of using adjustable-nozzle, using adjustable-inlet can not maximize the thrust and specific impulse,but also expand the normal working envelope. Compared with the nozzle of medium throat diameter fixed-geometry ducted rocket, the thrust of multivariable-adjustable at 5 km/Ma 2.5 is increased by 24%, and the specific impulse at 20 km/Ma 4 is increased by 26%.

Key words： multivariable-adjustable; ducted rocket; performance analyzed; inlet; nozzle; full flight envelope curve; numerical simulation

Cite this article

WANG Yuanyuan , SUN Zhenhua , SHEN Xin , HE Yongjie . Performance Analysis of Multivariable-adjustable Ducted Rocket[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2022 , 42(5) : 117 -122 . DOI: 10.15892/j.cnki.djzdxb.2022.05.022

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