| 李祥立,王树刚,姜军,孙金鹏.载人航天器通风系统水力工况模拟及系统优化[J].,2010,(3):399-403 |
| 载人航天器通风系统水力工况模拟及系统优化 |
| Hydraulic simulation and optimization of manned spacecraft ventilating system |
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| DOI：10.7511/dllgxb201003015 |
| 中文关键词: 载人航天器 管网 模拟 优化 |
| 英文关键词: manned spacecraft pipe network simulation optimization |
| 基金项目:国家自然科学基金资助项目(50678030). |
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| 摘要点击次数: 1294 |
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| 中文摘要: |
| 载人航天器通风系统设计的关键是降低能耗和保证系统的可靠性．在进行系统初步设计的基础上，建立了基于回路法的管网水力计算模型，根据编制的FORTRAN语言程序，对设计方案的实际运行工况进行了模拟，结果显示部分管段的实际流量与设计流量偏差较大，因此需要进行管网优化．采用惩罚函数法建立了回路优化的数学模型，可以对管网进行优化调节．系统经过优化以后，各管段的实际流量与设计流量偏差大大减小，风机压头较设计值减小了近20%，能够达到优化要求． |
| 英文摘要: |
| To reduce energy consumption and enhance the reliability is a key task in the design of the manned spacecraft ventilating system. Based on the primary design of a manned spacecraft ventilating system, a loop-based hydraulic mode of the network was established according to the designed FORTRAN program. Results of simulating the network operation show that the actual flow rate in certain pipes doesn′t conform to the designed value. So network optimization is required. The penalty function method is adopted for the purpose of the loop optimization and regulation. Optimal results show that difference between actual flow rate and designed value is greatly decreased, and the pressure head of the fan is 20% less than the original value, thus the optimization objective is achieved. |
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