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小圆管内航空煤油流动阻力研究 被引量:4

Study on the Flow Resistance of the Aviation Kerosene in Small Tube
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摘要 本文通过实验研究了RP-3航空煤油分别在内径为2994μm,1995μm和992μm的小圆管中的流动压降和摩擦阻力系数,实验结果表明:层流摩擦阻力系数随雷诺数的增大而减小,并且小圆管内的层流摩擦阻力系数比常规大圆管中摩擦阻力系数大;小圆管中流动从层流转变成湍流的临界雷诺数小于常规尺寸圆管中的临界雷诺数2300。 本文通过实验研究了RP-3航空煤油分别在内径为2994μm,1995μm和992μm的小圆管中的流动压降和摩擦阻力系数,实验结果表明:层流摩擦阻力系数随雷诺数的增大而减小,并且小圆管内的层流摩擦阻力系数比常规大圆管中摩擦阻力系数大;小圆管中流动从层流转变成湍流的临界雷诺数小于常规尺寸圆管中的临界雷诺数2300。
出处 《航空工程进展》 2010年第2期164-168,共5页 Advances in Aeronautical Science and Engineering
基金 国家973计划(2007CB707701)
关键词 小圆管 摩擦阻力系数 临界雷诺数 远小于 压降 small tube the friction coefficient the critical Reynolds number much lower than pressure drop
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参考文献12

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