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自转清洗包塑钢丝螺旋的流体动力学优化设计研究

DOI: 10.6052/1000-0992-20120210, PP. 54-57

Keywords: 螺旋线,自转清洗,动力矩,结构优化,流体阻力

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Abstract:

通过传热管内自转清洗钢丝螺旋的动力学理论研究,得到自转动力矩的理论计算式动力矩大小与钢丝直径d、螺旋角的sin2α、螺旋外径D2、流速u2、液体密度ρ成正比.理论计算式与单管流体动力学实验研究结果完全一致.因此,该计算式可以作为自转清洗钢丝螺旋结构优化设计和工程应用优化设计的理论基础.虽然包塑钢丝较粗,但是流体阻力实验研究结果表明仍然在一般工程的许可范围内.

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