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首页> 外文会议>International Conference on Recent Innovations and Developments in Mechanical Engineering >A Comparative Evaluation of Combustion Characteristics of Strut and Wall Injection Technique in a Cavity-Based Scramjet Combustor
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A Comparative Evaluation of Combustion Characteristics of Strut and Wall Injection Technique in a Cavity-Based Scramjet Combustor

机译：基于腔曲线涡旋燃烧器中支柱与壁注射技术的燃烧特性的比较评价

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摘要

The strut and wall injection system not only influences combustion in a scramjet combustor but is also useful to overcome the thermal chocking problem. The present work investigates the effect of strut and wall injection system with a cavity-based scramjet combustor numerically. The inflow conditions of stagnation temperature, stagnation pressure, and Mach number are 605 kPa, 1250 K, and 2.5, respectively. The SST k-ω turbulence model along with single-step reaction mechanism has been employed to simulate the fluid flow in the hydrogen-fueled scramjet. The mechanism of the formation of shock waves is analyzed. Further, the comparative analysis of combustion characteristics with strut and wall injection technique is carried out. The results show that the better combustion and probability of mixing can be achieved when the strut injection system is employed in a scramjet combustor.
机译：支柱和壁注射系统不仅影响粗弹簧燃烧器中的燃烧，而且还可用于克服热堵塞问题。 目前的工作调查了在数值上具有基于腔的涡旋燃烧器的支柱和壁注入系统的效果。 停滞温度，停滞压力和马赫数的流入条件分别为605kPa，1250k和2.5。 SST k-ω湍流模型以及单步反应机理已经采用用于模拟氢气炒果皮中的流体流动。 分析了冲击波形成的机制。 此外，进行了支柱和壁注射技术的燃烧特性的比较分析。 结果表明，当在汽轮喷射燃烧器中采用支柱注射系统时，可以实现更好的燃烧和混合概率。

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