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《Science & Technology Vision》 2014-18
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Analysis and Solution of Civil Aircraft Cargo Differential Pressure Load

Shanghai Aircraft Design&Research Institute;  
One-dimension model is built up for cargo differential pressure calculation in this article, and then the effect of cargo volume and cargo leakage areas on cargo differential pressure load is analyzed. Secondly, this article brief introduces the internal design guide of cargo pressure equalization equipment. And the configurations of pressure equalization valves equipped on China self-developed civil aircraft are presented then. At last, a novel solution of cargo differential pressure load is proposed. The outlet of cargo ventilation shut-off valve is considered to keep open in normal condition to achieve differential pressure relief for cargo. This novel solution will bring some decrease of A/C weight and cost.
【CateGory Index】: V214
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