80008 A-1992

Axial pressure coefficient distributions for forebodies of fineness ratio 1.0@ 1.5 and 2.0 at zero incidence in transonic flow.


 

 

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标准号
80008 A-1992
发布日期
1992年10月01日
实施日期
2004年05月14日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
ESDU - Engineering Sciences Data Unit
引用标准
42
适用范围
ESDU 80008 presents charts of the distribution of forebody pressure coefficient for spherically blunted tangent ogive@ spherically blunted paraboloid and modified ellipsoid forebodies of fineness ratio 1.0@ 1.5 and 2.0 at zero incidence over a Mach number range from 0.4 to 1.05. It complements ESDU 79004 which presents wave drag data for the same families of forebody shapes. The charts were derived by use of a computer program developed at the Aircraft Research Association and based on a modified version of the South-Jameson finite difference method which calculates the inviscid transonic potential flow around axisymmetric forebodies. Although the calculations are for inviscid flow they are applicable to real flows at moderate to high Reynolds number where the boundary layers are thin and flow separations are absent.




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