流体机械

2020, v.48;No.571(01) 71-76

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基于SET指标与区域划分的地面空调送风优化
Air Supply Optimization of Ground Air Conditioning System Based on SET Index and Area Division

林家泉;孙凤山;李亚冲;
Lin Jiaquan;Sun Fengshan;Li Yachong;Institute of Electronic Information and Automation Civil Aviation University of China;

摘要(Abstract):

针对飞机地面空调恒速送风时,所造成客舱热舒适性不佳的问题。构建了Boeing737飞机客舱的CFD仿真模型,验证了所建立的模型的合理性。基于合理的客舱模型,考虑太阳辐射传热的情况下,模拟了客舱内的温度场、风速场,根据客舱内各区域干球温度的差异,对客舱进行区域划分,以标准有效温度(SET)作为客舱热舒适性的评价指标,模拟地面空调不同送风速度下,客舱各区域热舒适性的变化,得出优化后的地面送风区间为[2.0,3.0]m/s满足客舱热舒适性要求。该研究结果为地面空调的送风控制、客舱热舒适性研究和能源节约提供理论依据。
For the poor thermal comfort of the cabin when the air supply of ground air conditioning system is at a constant velocity,A CFD simulation model of Boeing 737 cabin was built and the rationality of the model was verified.ased on the reasonable cabin model and considering the solar radiation heat transfer,the temperature field and wind speed field in the cabin were simulated.According to the differences between dry-bulb temperatures of different areas of the cabin,the cabin was divided into different areas.By taking SET (Standard Effective Temperature) as the evaluation index of cabin thermal comfort,the changes of thermal comfort of various areas were simulated in the cabin under different air supply velocity of ground air conditioning system,then the optimized air supply interval was obtained to be [2.0,3.0]m/s,which can satisfy the requirements of cabin thermal comfort.The results of this study provide theoretical basis for the air supply control of ground air conditioning,the research of cabin thermal comfort and energy saving.

关键词(KeyWords): 区域划分;地面空调;最优送风速度;热舒适性
area division;ground air conditioning system;optimal air supply speed;thermal comfort

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金委、中国民航局联合基金项目(U1433107)

作者(Authors): 林家泉;孙凤山;李亚冲;
Lin Jiaquan;Sun Fengshan;Li Yachong;Institute of Electronic Information and Automation Civil Aviation University of China;

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