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WANG Mingxin. 针翅套管内强迫流动阻力特性试验研究[J]. Chinese Journal of Ship Research, 2014, 9(3): 99-104. DOI: 10.3969/j.issn.1673-3185.2014.03.015
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WANG Mingxin. 针翅套管内强迫流动阻力特性试验研究[J]. Chinese Journal of Ship Research, 2014, 9(3): 99-104. DOI: 10.3969/j.issn.1673-3185.2014.03.015
WANG Mingxin. 针翅套管内强迫流动阻力特性试验研究[J]. Chinese Journal of Ship Research, 2014, 9(3): 99-104. DOI: 10.3969/j.issn.1673-3185.2014.03.015
Citation:
WANG Mingxin. 针翅套管内强迫流动阻力特性试验研究[J]. Chinese Journal of Ship Research, 2014, 9(3): 99-104. DOI: 10.3969/j.issn.1673-3185.2014.03.015
针翅套管内强迫流动阻力特性试验研究
WANG Mingxin
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以润滑油—水为工质,对针翅套管双侧强迫流动的阻力特性进行试验研究,分析针翅相对高度与针翅管节距等因素对流动阻力系数的影响。结果发现,针翅套管环隙内的流动阻力特性与普通圆管以及光滑管环隙大不相同。由于其环隙内布满针翅,对流体产生了极大的扰动,因此对流体流态的转变有重要影响,其中相对翅高的影响较大。在对试验数据进行分析整理的基础上,回归出摩擦阻力压降与质量流速和针翅管结构参数的试验关联式。
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