1964
DOI: 10.1007/bf00382051
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The compressible discharge of air through small thick plate orifices

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Cited by 12 publications
(4 citation statements)
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“…The higher values compared to the apparatus (0.25-0.60) might be due to the engine flows being in the critical or near-critical range. Similar numbers have been reported in the literature for steady (non-pulsating) critical flows (Grace and Lapple, 1951;Jackson, 1963;Kastner et al, 1964;Deckker and Chang, 1965;Rohde et al, 1969;Brain and Reid, 1975;Ward-Smith, 1979) in the 0.80-1.00 range. As mentioned before, no literature on pulsating critical flow could be found.…”
Section: Engine Resultssupporting
confidence: 87%
See 1 more Smart Citation
“…The higher values compared to the apparatus (0.25-0.60) might be due to the engine flows being in the critical or near-critical range. Similar numbers have been reported in the literature for steady (non-pulsating) critical flows (Grace and Lapple, 1951;Jackson, 1963;Kastner et al, 1964;Deckker and Chang, 1965;Rohde et al, 1969;Brain and Reid, 1975;Ward-Smith, 1979) in the 0.80-1.00 range. As mentioned before, no literature on pulsating critical flow could be found.…”
Section: Engine Resultssupporting
confidence: 87%
“…For the current work, the ratio of upstream to downstream density for the engine data ranged between 1.08 and 1.91. On the other hand, many researchers have investigated highly compressible (critical) but non-pulsating flows (Grace and Lapple, 1951;Jackson, 1963;Kastner et al, 1964;Deckker and Chang, 1965;Rohde et al, 1969;Brain and Reid, 1975;Ward-Smith, 1979).…”
Section: Background Motivation and Existing Literaturementioning
confidence: 99%
“…This effect which doesn't occur for incompressible flows (Lichtarowicz, Duggins, and Markland (1965)) is believed to be due to a pressure ratio effect on the cross-sectional area of the vena contracta formed at the hole inlet and was reported by others before (e.g. Jackson (1963), Hay, Lampard, and Khaldi (1994)).…”
Section: Cylindrical Holementioning
confidence: 60%
“…Experimental data from Jackson [21] Lee et al [22] has shown that defining the conditions of choked flow exclusively by the critical pressure ratio for small orifice sizes may not be sufficient. The work presented by Lee specifically addressed very small openings that are characteristic of leak sizes found in systems containing hydrogen leaks.…”
Section: Appendix a Quantitative Leak Rate Modelsmentioning
confidence: 99%