Research on Thrust Performance of Solid Fuel Stick Scramjet

ZHANG Hao; HUANG Meng; DENG Heng; TIAN Xiaotao; YAN Mi; JIA Shengxi

doi:10.15892/j.cnki.djzdxb.2023.06.013

Journal of Projectiles, Rockets, Missiles and Guidance >

2023 , Vol. 43 >Issue 6: 79 - 86

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.06.013

Research on Thrust Performance of Solid Fuel Stick Scramjet

ZHANG Hao ¹^,² ,
HUANG Meng ¹^,² ,
DENG Heng ¹^,² ,
TIAN Xiaotao ¹^,² ,
YAN Mi ¹^,² ,
JIA Shengxi ¹^,²

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¹ Xi'an Modern Control Technology Research Institute, Xi'an 710065, Shaanxi,China
² Key Laboratory for Modern Control Technology, Xi'an 710065, Shaanxi, China

Received date: 2023-02-03

Online published: 2024-12-30

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Abstract

Fuel stick scramjet has the advantages of high specific impulse, simple structure and easy maintenance, but it is also accompanied by the problem of engine thrust instability. Based on the principle of energy conservation, a zero-dimensional model of solid scramjet thrust is established. This model avoids the problem of numerical singularity and numerical rigidity in one-dimensional thrust model. Based on this model, the effects of fuel mass flow and air flow on combustor thrust are studied. The results show that the fuel flow characteristics have great influence on thrust stability. By matching the burning rate with the combustor configuration, the engine configuration with small thrust amplitude can be constructed theoretically.

Key words： solid fuel scramjet; zero-dimensional thrust model; combustor; thrust

Cite this article

ZHANG Hao , HUANG Meng , DENG Heng , TIAN Xiaotao , YAN Mi , JIA Shengxi . Research on Thrust Performance of Solid Fuel Stick Scramjet[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2023 , 43(6) : 79 -86 . DOI: 10.15892/j.cnki.djzdxb.2023.06.013

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