|Table of Contents|

Thermal efficiency analysis of solar thermal propulsion system(PDF)

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

Issue:
2013年05期
Page:
23-30
Research Field:
研究与设计
Publishing date:

Info

Title:
Thermal efficiency analysis of solar thermal propulsion system
Author(s):
XING Bao-yu;  HUANG Min-chao;  CHENG Mou-sen;  LIU Kun
College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
Keywords:
solar thermal propulsion;  thermal efficiency;  performance analysis
PACS:
V439.6
DOI:
-
Abstract:
Solar thermal propulsion system can provide a high special impulse of 800 s～900 s when it takes small molecular weight gas as propellant, but it is a significant issue to improve the heat transfer efficiency of the thermal propulsion system. The basic analysis models of main parts in the solar thermal propulsion system were built. Based on thermal analysis performed by using the finite element method, the correlative parameters of the system at different working conditions were calculated. The influence of the main parameters of each assembly unit on the improvement of thermal efficiency and propulsive efficiency of the solar thermal propulsion system was analyzed. The change rule of system efficiency in different working status was achieved. The measures to improve the thermal efficiency of the system are proposed in this paper.

References:

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