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Boundary Layer over a Thin Needle

 

作者: Lawrence L. Lee,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1967)
卷期: Volume 10, issue 4  

页码: 820-822

 

ISSN:0031-9171

 

年代: 1967

 

DOI:10.1063/1.1762194

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An equation governing the motion of an incompressible fluid flowing axially over a thin paraboloid of revolution is derived. The asymptotic behaviors and an approximate solution are discussed, and numerical solutions computed. From the numerical solutions, an extrapolation towards vanishing boundary thickness is made. It is found that for progressively thin needles, the displacement thickness and drag per unit length diminish very slowly, but eventually become zero as the needle vanishes.

 

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