|Table of Contents|

Numerical calculation of radiative heat flux on nozzle wall of liquid propellant rocket engine(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2015年03期
Page:
27-32
Research Field:
研究与设计
Publishing date:

Info

Title:
Numerical calculation of radiative heat flux on nozzle wall of liquid propellant rocket engine
Author(s):
ZHOU Yi-peng;  ZHU Ding-qiang
School of Astronautics, Beihang University, Beijing 100191, China
Keywords:
finite volume methodbackward Monte Carlo methodrocket engine nozzleinfrared radiation
PACS:
V430-34
DOI:
-
Abstract:
The radiative heat flux on the wall of nozzle is calculated to provide the effective reference data for design of rocket engine nozzle and its cooling system. The formulas of finite volume method (FVM) and (backward Monte Carlo method) BMCM, which are appropriate for calculating the radiation heat flux density of nozzle's wall, are derived without the influence of particle. According to different boundary conditions, the characteristics of FVM are analyzed, and the limitation of FVM is proposed. At the end of the paper, taking a 3D model of double-arc nozzle as an example, the self-complied programs in FVM and BMCM are utilized to calculate infrared radiation heat flux density on the nozzle wall according to the different boundary setting. According to the results, the limitation of FVM is verified, and the advantage of BMCM in calculating the radiative heat flux on the nozzle wall surface is affirmed.

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