|Table of Contents|

Preliminary design for composite thrust frame of liquid rocket engine(PDF)

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

Issue:
2017年03期
Page:
35-41
Research Field:
研究与设计
Publishing date:

Info

Title:
Preliminary design for composite thrust frame of liquid rocket engine
Author(s):
MU Penggang;  LI Binchao;  DU Dahua;  DENG Changhua
National Key Laboratory of Science and Technology on Liquid Rocket Engines, Xi’an 710100, China
Keywords:
liquid-propellant rocket engine;  composite;  thrust frame;  design scheme
PACS:
V252-34
DOI:
-
Abstract:
Preliminary design and applied exploration of the composite thrust frame of a liquid-propellant rocket engine are performed in this paper. Based on the design features for original thrust frame metal structure, a design scheme of the carbon fiber reinforced composite thrust frame is proposed, its mechanics performance is predicted, and the effect factors on its design parameters are analyzed. APDL (ANSYS Parametric Design Language) of the finite element software ANSYS is used to develop the computing procedure of the composite thrust frame, which is based on damage accumulation theory, including stress analysis, failure evaluation and material property degradation. The internal structure injure in the loading process and the whole process of the injury accumulation until damage was simulated. The simulation analysis result shows that the composite can meet the design requirement of thrust frame strength, stiffness and stability, and the weight is decrease by 50%, compared with the original structure.

References:

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