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A Study on Combustion Efficiency of Paraffin-based Hybrid Rockets

机译:石蜡基混合火箭的燃烧效率研究

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A hybrid rocket has been considered to be a new hopeful rocket engine for safety, low cost, less pollution and so on. However, there are some technical problems. Those are low regression rate, low combustion efficiency and so on. Especially, low regression rete is key problem. We have been studying paraffin-based fuel which burn 3 to 5 times faster than that of HTPB. The reason why paraffin-based fuel has high regression rate is that this regression proceeds almost without vapourization. Therefore, liquid fuel is supplied to frame zone. This phenomenon makes combustion efficiency of paraffin-based hybrid rockets low level. We consider that it is effective to set up baffle plate inside combustion chamber and post combustion chamber behind baffle plate for atomization of the liquid fuel.
机译:为了安全,成本低,污染少等原因,混合动力火箭被认为是一种新的有希望的火箭发动机。但是,存在一些技术问题。这些是低回归率,低燃烧效率等。特别是,低回归系数是关键问题。我们一直在研究基于石蜡的燃料,其燃烧速度比HTPB快3至5倍。石蜡基燃料具有高回归速率的原因是,这种回归几乎没有汽化就可以进行。因此,液体燃料被供应到框架区域。这种现象使基于石蜡的混合火箭的燃烧效率降低。我们认为,在燃烧室内设置挡板,在挡板后方设置后燃烧室以雾化液体燃料是有效的。

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