混合动力火箭发动机的可扩展性和动态稳定性

Teodor-Viorel Chelaru, Mingireanu Florin, E. Vasile, Neagu Ion
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引用次数: 2

摘要

本文分为两部分。第一部分研究了混合火箭发动机的几何可扩展性问题,第二部分利用李亚普诺夫理论研究了混合火箭发动机的稳定性问题。得到的稳定性系数依赖于燃烧参数,同时辨识了稳定性矩阵和命令矩阵。因此,在本文的第一部分中,作者提出了一种解决混合火箭发动机可扩展性问题的方法。本文将介绍各种混合动力火箭发动机的实验结果,并与通过原始内燃机模型得到的理论结果进行比较。在保持相同的氧化剂和燃料以及几何相似性的情况下,推导了混合火箭发动机尺度对发动机性能的影响。本文完整地呈现了模型的输入数据,使所得到的结果易于再现。结论突出了在专门分析结果的章节中获得的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Scalability and dynamic stability of hybrid rocket engines
This paper is divided in two parts. The purpose of the first part is to tackle the problem of geometrical scalability of hybrid rocket engines while the second part of the paper the stability of hybrid rocket motor is investigated using Liapunov theory. Stability coefficients obtained are dependent on burning parameters while the stability and command matrixes are identified. Thus in the first part of this paper, authors present a method to tackle the issue of scalability in hybrid rocket engines. Experimental results on various hybrid rocket engines will be presented and compared with theoretical results obtained through an original internal combustion model. We derive the influence of hybrid rocket engine scale while keeping the same oxidizer and fuel and geometric similarity. The paper presents thoroughly the input data of the model, which allows reproducing easily the results obtained. The conclusions highlight the results obtained in chapter dedicated to analyze the results.
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