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首页> 外文会议>ASME(American Society of Mechanical Engineers) International Mechanical Engineering Congress: Advanced Energy Systems Division; 20031115-20031121; Washington,DC; US >FUEL SAVINGS ANALYSIS AND WEAPON PLATFORM THERMAL MANAGEMENT OPTIONS IN A TACTICAL AIRCRAFT
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FUEL SAVINGS ANALYSIS AND WEAPON PLATFORM THERMAL MANAGEMENT OPTIONS IN A TACTICAL AIRCRAFT

机译：战术飞机的燃油节省分析和武器平台热管理选择

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摘要

A general thermodynamic analytical program was developed to investigate the impact of secondary power system (SPS) improvements on mission effectiveness and weapon power generation in a tactical aircraft. Preliminary analysis revealed, among other things, that the engine performance was more sensitive to pneumatic bleed than to shaft power extraction and the use of a More Electric secondary power system resulted in a savings in fuel consumption. Using the total fuel consumption of the conventional aircraft for a typical tactical mission as a baseline, the fuel savings could potentially offer two alternatives to improved performance. The first alternative addresses multiple combat mission legs with varying altitudes and consequently a longer combat duration. The second alternative addresses the use of excess power to activate an airborne weapon platform and subsequent evaluation of thermal management limitations posed by several exploratory concepts. Three different thermal management approaches were considered for a typical airborne solid-state laser based power system with a laser output power of 100 kW. Some of the consequences of using these thermal management concepts on the mission legs in a tactical mission from a time-constraint and mass-constraint points of view are also presented.
机译：开发了一个通用的热力学分析程序，以研究二次动力系统（SPS）的改进对战术飞机的任务效率和武器发电的影响。初步分析显示，除其他因素外，发动机性能对气动放气比对轴功率提取更敏感，并且使用更多电气二次动力系统可节省燃油。以常规战术任务中常规飞机的总油耗为基准，节省燃油有可能为改善性能提供两种选择。第一种选择是针对不同高度的多个战斗任务腿，因此战斗时间更长。第二种选择涉及使用过剩的功率来激活机载武器平台，以及随后评估由几个探索性概念造成的热管理限制。对于具有100 kW激光输出功率的典型机载固态激光电源系统，考虑了三种不同的热管理方法。从时间约束和质量约束的角度，还介绍了在战术任务的任务腿上使用这些热管理概念的一些后果。

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