载人航天空间站舱内通风对流换热数值研究进展
Numerical simulation progresses of convection heat transfer in manned space craft cabin
摘要:
CFD模拟是研究载人航天器舱内环境控制和地面模型试验验证的有效方法,介绍了国内外载人航天器舱内通风对流换热数值模拟的研究进展,目前的相关研究涉及舱内不同通风方式的数值模拟、通风参数的优化设计仿真、人体散热对通风环境的影响分析、舱内壁面温度分布和结露控制、微重力下通风换热问题的地面模型试验及其数值模拟验证、传热传质等诸多方面。指出数值模拟模型、舱内通风空调环境评定、通风空调系统整体优化、舱内环境数字仿真演示系统等是载人航天器舱内环境数值模拟领域值得进一步研究的问题。
Abstract:
Computational fluid dynamics (CFD) is efficient to simulate environmental control performance of the manned space craft cabin and verify the model experimental results on the ground. Presents the domestic and overseas development in research on numerical simulation of the convection heat transfer in manned space craft cabin. The research relates to numerical simulation in different ventilation modes, optimization design of ventilation parameters, analyses about impacts of human body heat dispersion on environment, temperature distribution and dew control on cabin walls, the model experiments on the ground and their validations by numerical simulation, and heat and mass transfer. Points out some problems needed further study, including the model of numerical simulation, assessment on ventilation and air conditioning in cabin, the holistic optimization of ventilating, air conditioning systems, and the numeral emulation and demonstrating system of environment in cabin.
Keywords:manned space craft, ventilating, air conditioning, convection heat transfer, numerical simulation