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The Effect of Edge Sharpness on the Discharge Coefficient of an Orifice

The effect of inlet edge roundness on the discharge coefficient of an orifice plate is studied experimentally. Several methods for measuring edge roundness are discussed and applied. An optical method in particular is shown to provide reliable measurements of edge roundness. Flow results are summari...

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Published in:Journal of engineering for gas turbines and power 1975-01, Vol.97 (4), p.576-581
Main Authors: Benedict, R. P, Wyler, J. S, Brandt, G. B
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Language:English
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container_title Journal of engineering for gas turbines and power
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creator Benedict, R. P
Wyler, J. S
Brandt, G. B
description The effect of inlet edge roundness on the discharge coefficient of an orifice plate is studied experimentally. Several methods for measuring edge roundness are discussed and applied. An optical method in particular is shown to provide reliable measurements of edge roundness. Flow results are summarized in terms of radius of curvature by the empirical equation ΔCD/CD = 0.85 ln (rk/d × 103) + 1.74.
doi_str_mv 10.1115/1.3446067
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0022-0825
1528-8919
language eng
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title The Effect of Edge Sharpness on the Discharge Coefficient of an Orifice
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