Boron-loaded gel fuel as potential fuel for ramjet and scramjet engines- recent advancements

FirePhysChem Pub Date : 2023-07-19 DOI:10.1016/j.fpc.2023.07.003

R. Madhumitha, Srinibas Karmakar

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Abstract

Boron, a high-energy metalloid has been recognized as a potential secondary energy source for liquid hydrocarbon fuel to power volume-limited propulsion devices such as ramjet and scramjet. The higher volumetric and gravimetric energetic content makes boron a more suitable candidate than other energetic particles. The stability of the particle is one of the significant drawbacks of adopting metal particles in liquid fuel, which gel fuels can overshoot. Though several works have been published on metalized and non-metalized gel fuels, studies focusing on boron-loaded gel fuels are scarce. The present work comprehensively reviews recent advancements and challenges in adopting boron-loaded gel fuel for practical ramjet and scramjet propulsion devices. It mainly encompasses the formulation of boron-loaded gel fuel, rheological behavior and its influencing factors, single droplet combustion characteristic, spray characteristics, spray combustion characteristics, and the effect of boron-loaded gel fuel on the performance of practical ramjet and scramjet combustors.

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作为冲压式喷气发动机和争气式喷气发动机潜在燃料的载硼凝胶燃料--最新进展

硼是一种高能量类金属，已被认为是液态碳氢化合物燃料的潜在二次能源，可为冲压式喷气发动机和扰流喷气发动机等体积受限的推进装置提供动力。与其他高能粒子相比，硼的体积和重力能量含量更高，因此更适合作为候选能源。颗粒的稳定性是在液体燃料中采用金属颗粒的主要缺点之一，凝胶燃料可能会出现过冲。虽然已有多篇关于金属化和非金属化凝胶燃料的论文发表，但关于含硼凝胶燃料的研究却很少。本研究全面回顾了在采用硼负载凝胶燃料用于实用冲压喷气和扰流喷气推进装置方面的最新进展和挑战。它主要包括含硼凝胶燃料的配方、流变行为及其影响因素、单液滴燃烧特性、喷雾特性、喷雾燃烧特性，以及含硼凝胶燃料对实用冲压喷气式和扰流喷气式燃烧器性能的影响。

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来源期刊

FirePhysChem

CiteScore

1.40

自引率

0.00%

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