Influence of orifice geometry on the sim
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B.P. Butler; V. Music; F.J. Redgrave
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Article
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1999
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Elsevier Science
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English
β 106 KB
By careful design of the orifice employed in a dynamic-flow vacuum standard it is possible to ensure its mechanical stability while retaining a transmission probability very near unity. If spherical geometry is chosen the integral equation method calculations can be reduced to simple analytical expr