1990
DOI: 10.1016/0042-207x(90)94196-w
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Procedures for measuring pumping speeds

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Cited by 9 publications
(3 citation statements)
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“…As pointed out in [6], the results of the flowmeter method and the orifice method do not agree within their uncertainties for an overlapping pressure range. It can be seen from the graph in the original paper [7] that each method measures a different value of the pumping speed. Apparently, the equilibrium in the set of molecules entering the pump in each of these arrangements is distorted differently so that a differently defined pumping speed is measured in each case.…”
Section: Orifice Methodmentioning
confidence: 99%
“…As pointed out in [6], the results of the flowmeter method and the orifice method do not agree within their uncertainties for an overlapping pressure range. It can be seen from the graph in the original paper [7] that each method measures a different value of the pumping speed. Apparently, the equilibrium in the set of molecules entering the pump in each of these arrangements is distorted differently so that a differently defined pumping speed is measured in each case.…”
Section: Orifice Methodmentioning
confidence: 99%
“…Diese sind in Tabelle [85], was aufgrundder Tatsache, dass sich in den beiden Arten von Testdomen unterschiedliche molekulare Strömungen ausbilden, auch nicht all zu sehr überrascht. …”
Section: Normen Für Die Bestimmung Von Kenngrößen Von Vakuumpumpenunclassified
“…--- [72], was aufgrund der Tatsache, daß sich in den beiden Arten von Testdomen unterschiedliche molekulare Strömungen ausbilden, auch nicht all zu sehr überrascht.…”
Section: Normen Für Die Bestimmung Von Kenngrößen Von Vakuumpumpenunclassified