| 三轮升压式高压除水系统焓参数法性能计算 |
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| 引用本文： | 张兴娟,李峰,杨春信.三轮升压式高压除水系统焓参数法性能计算[J].航空动力学报,2010,25(9):1938-1941. |
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| 作者姓名： | 张兴娟 李峰 杨春信 |
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| 作者单位： | 北京航空航天大学,航空科学与工程学院,北京,100191 |
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| 摘 要： | 针对传统空气循环制冷系统热力参数匹配计算方法复杂的缺点,引入焓参数法建立了三轮升压式高压除水制冷系统匹配计算模型,简化了系统状态点中湿工况点的计算过程.并用所建模型进行了匹配计算,得到了系统各状态点的热力参数,计算结果表明采用焓参数法进行匹配计算,简化了计算过程.通过对系统性能分析表明系统存在最佳水当量比;三轮功率比参数增加,压气机增压比和涡轮膨胀比下降.
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| 关 键 词： | 制冷 焓参数 三轮升压式 空气循环 性能代偿损失 |
| 收稿时间： | 2009/7/22 0:00:00 |
| 修稿时间： | 1/4/2010 12:00:00 AM |
Calculation method for matching enthalpy parameter of three-wheel bootstrap high-pressure water-separated system |
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| ZHANG Xing-juan,LI Feng and YANG Chun-xin.Calculation method for matching enthalpy parameter of three-wheel bootstrap high-pressure water-separated system[J].Journal of Aerospace Power,2010,25(9):1938-1941. |
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| Authors: | ZHANG Xing-juan LI Feng and YANG Chun-xin |
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| Affiliation: | School of Aeronautic Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;School of Aeronautic Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China;School of Aeronautic Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China |
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| Abstract: | A calculation model for matching the enthalpy parameters of three-wheel bootstrap cooling system was introduced according to the shortcomings of traditional method for matching thermal parameters.The model could simplify the wet cooling point matching process.And the thermal parameters of each system's status point was calculated by the model.The results show that,with the use of enthalpy instead of temperature as the state parameter for system matching,it's viable to simplify the calculation process.An optimal water equivalent ratio is found by system performance analysis;as the three-wheel power ratio increases,the compressor pressure ratio and turbine expansion ratio decrease. |
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| Keywords: | refrigeration enthalpy parameters three-wheel bootstrap air cycle performance penalty |
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