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A Note on the Static Hole Error Problem

Published online by Cambridge University Press:  04 July 2016

N. Rajaratnam*
Affiliation:
Department of Civil Engineering, University of Alberta, Canada

Extract

The static hole error problem has been extensively investigated in the past. It has been shown that, for deep holes (for which the length l of the hole is greater than 1.5 times the diameter d of the hole), the difference between the indicated static pressure p0 and the true static pressure p0 is a function of the boundary shear stress τ0, hole diameter d, the coefficient of dynamic viscosity μ and the mass density ρ of the fluid.

Type
Technical Notes
Copyright
Copyright © Royal Aeronautical Society 1966

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References

1.Shaw, R.Influence of Hole Dimensions on Static Pressure Measurements. J. of Fluid Mechanics, p 550, Vol. 7, 1960.Google Scholar
2.Jackson, J. D. A Note on the Relationship Between Static Hole Error and Velocity Distribution in the Boundary Layer. Appl Sci Research, p 218, Sec A, Vol. 11. (See also p 315, Sec A, Vol. 12.) (Note: Ref. 1 gives a list of other references on this subject.)Google Scholar