Cotton tents are frequently used in the army and disaster relief. Because of the special structure of the cotton tent, its heat preservation and heat insulation performance is poor in the summer. In order to improve the rest environment of soldiers, experimental studies on improving the internal thermal environment of tents by natural ventilation were done at Tianjin in the summer. The thermal environment parameters of tents with different natural ventilation schemes were recorded and analyzed. The experimental results show that the natural ventilation plays a certain role in adjusting thermal environment of tents.
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