期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 40, 期 9, 页码 3771-3776出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.01.033
关键词
Maximum thrust; Rocket ejector; RBCC; Thermodynamic cycle
资金
- China National Natural Science Foundation [11372092, 91216105, 51121004]
Rocket-based combined cycle (RBCC) Engine can significantly reduce the amount of on-board oxidizer required. This will decrease the weight of the vehicle and improve the performance of the RBCC engine. In this short communication, an idealized thermodynamic cycle analysis is carried out to evaluate the thrust performance of RBCC engine for the saturated supersonic regime. The thrust for the rocket-ejector mode not only depends on the inducted air flow rate, but also depends on the thermal efficiency. Initially, the results show that the engine thrust grows asymptotically with ejecting ratio, then reaches a maximum, and finally reduces rapidly for a given primary stream conditions. The optimum ejecting ratio at which the value of the thrust attains a maximum is also presented. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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