马建军,刘海燕,成竹.基于状态空间法的大型气候环境实验室热负荷仿真模型[J].装备环境工程,2016,13(5):115-121. 马建军,刘海燕,成竹.A Climatic Test Laboratory Cooling Capacity Calculation Model Based on Space State method[J].Equipment Environmental Engineering,2016,13(5):115-121. |
基于状态空间法的大型气候环境实验室热负荷仿真模型 |
A Climatic Test Laboratory Cooling Capacity Calculation Model Based on Space State method |
投稿时间:2016-09-27 修订日期:2016-09-28 |
DOI:10.7643/ issn.1672-9242.2016.05.019 |
中文关键词: 大型气候环境实验室,热负荷,状态空间法,SIMULINK |
英文关键词:Large climatic test laboratory, thermal load, state-space, Simulink |
基金项目:中国航空工业集团公司技术创新基金(2013F62302) |
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中文摘要: |
目的 建立可用于大型气候环境实验室初期设计热负荷计算方法和模型,对实验室的热负荷进行计算,为制冷系统选型提供依据。方法 通过分析实验室的组成结构和热负荷来源,基于状态空间法建立了各部分的热负荷计算方法,在SIMULINK中搭建了以制冷量为输入参数的实验室热负荷计算仿真模型,对实验室空载降温过程进行了仿真。结果 该仿真模型可以快速的对实验室热负荷进行计算,并且可以方便的增减热负荷模块,实验室在降温过程中热负荷达3500kW以上,地板结构的热负荷占到了总热负荷50%以上。结论 热负荷计算结果可应用于空调系统和制冷系统的设计和选型以及控制策略的优化。 |
英文摘要: |
Objective To establish a thermal-load calculation model applied in large climatic test laboratory, the calculation result will help the design of cooling system. Methods First, every potential thermal source was analyzed. Then thermal calculation method and simulation module for thermal source was founded in Simulink. At last a thermal-load simulation models of cooling capacity dominant was set up and applied in the thermal calculation of chamber cooling process. Results The thermal load calculation models is time efficiency for thermal calculation of large climatic test laboratory and convenient in modules update .Thermal load of large climatic test laboratory during cooling down is larger than 3500kW, thermal load of the floor is more than 50% of the total thermal load. Conclusion The calculation result will help the design of air-condition system and cooling system, and the optimization of control strategy. |
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