What is it about?
The study is concerned with understanding the performance of rocket motors that produce two distinct levels of thrust. The study is conducted both experimentally and theoretically.
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Why is it important?
A dual thrust rocket motor produces two levels on thrust during its operation. It starts with a high (boost) level followed by a low (sustain) level. The importance of such motors stems from its use in small tactical rockets and UAVs. The motor provides the vehicle with high launch acceleration followed by a near-zero-acceleration flight. The use of dual-thrust rocket motor boosts the vehicle to the nominal flight speed very quickly and leaves more time for flight control. The study focuses on a special type of dual-thrust rocket motors that is characterized by a compact light-weight design and a stable operation as well as high boost-to-sustain thrust ratio.
Perspectives
To me, the study was more a challenging adventure than a typical study. It is interesting in many aspects. The theoretical analysis was not addressed before in the open literature. A novel test motor for the experiments was developed and optimized.
mahmoud ahmed
Read the Original
This page is a summary of: Experimental and theoretical study on a dual-thrust rocket motor with subsonic intermediate nozzle, Proceedings of the Institution of Mechanical Engineers Part G Journal of Aerospace Engineering, April 2017, SAGE Publications,
DOI: 10.1177/0954410017705897.
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