Numerical Optimization of Three Dimensional Size of Small Supported Plate in a Scramjet Combustion

HUANG  Guibin; WU  Da; WANG  Yingyang; WANG  Xudong

doi:10.15892/j.cnki.djzdxb.2017.01.019

Journal of Projectiles, Rockets, Missiles and Guidance >

2017 , Vol. 37 >Issue 1: 81 - 86

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2017.01.019

ROCKETS TECHNOLOGY

Numerical Optimization of Three Dimensional Size of Small Supported Plate in a Scramjet Combustion

HUANG Guibin ,
WU Da ,
WANG Yingyang ,
WANG Xudong

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Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China

Received date: 2016-04-08

Online published: 2025-05-23

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Abstract

In order to improve the mixing performance of low pressure injection behind the small supported plate, the numerical simulation has been carried out to optimize the geometry size of small supported plate without front guide surface, and the influence geometric dimensions of different length, width and height on mixing efficiency, depth of penetration and total pressure loss were comparatively analyzed. By studies, it was noted that the bigger the width, the better the penetration of jet on near field, and the greater the height, the bigger the penetration depth, but it also brought a greater total pressure loss at the same time. The influence of length on mixing characteristics was little, but it would increase the total pressure loss on combustion chamber if the small supported plate was too short, and it would bring additional cooling load if the small supported plate was too long.

Key words： scramjet combustion; small supported plate; mixing enhancement; numerical simulation

Cite this article

HUANG Guibin , WU Da , WANG Yingyang , WANG Xudong . Numerical Optimization of Three Dimensional Size of Small Supported Plate in a Scramjet Combustion[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2017 , 37(1) : 81 -86 . DOI: 10.15892/j.cnki.djzdxb.2017.01.019

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