About: Implementation of multi-opening orifices in the primary metrology of vacuums and small gas throughputs

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About: Implementation of multi-opening orifices in the primary metrology of vacuums and small gas throughputs Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.vacuum.2013.10.014
Description	A multi-opening orifice is a device for the primary measurement of gas flows and related vacuum quantities. This device maintains a constant molecular flow regime and thus the possibility to very accurately calculate the conductance from the geometrical dimensions for relatively high pressures, and the value of the conductance is sufficiently high to achieve reasonable parameters of the vacuum system in use. Suitable shapes of a multi-opening orifice duct and the principles of multi-opening orifice design are discussed. An example of the multi-opening orifice manufactured with grinding is given. The limits and requirements for further development are drafted. (C) 2013 Elsevier Ltd. All rights reserved. A multi-opening orifice is a device for the primary measurement of gas flows and related vacuum quantities. This device maintains a constant molecular flow regime and thus the possibility to very accurately calculate the conductance from the geometrical dimensions for relatively high pressures, and the value of the conductance is sufficiently high to achieve reasonable parameters of the vacuum system in use. Suitable shapes of a multi-opening orifice duct and the principles of multi-opening orifice design are discussed. An example of the multi-opening orifice manufactured with grinding is given. The limits and requirements for further development are drafted. (C) 2013 Elsevier Ltd. All rights reserved. (en)
Title	Implementation of multi-opening orifices in the primary metrology of vacuums and small gas throughputs Implementation of multi-opening orifices in the primary metrology of vacuums and small gas throughputs (en)
skos:prefLabel	Implementation of multi-opening orifices in the primary metrology of vacuums and small gas throughputs Implementation of multi-opening orifices in the primary metrology of vacuums and small gas throughputs (en)
skos:notation	RIV/00216208:11320/14:10288894!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I N V
http://linked.open...avai/riv/aktivity	I, N, V
http://linked.open...iv/cisloPeriodika	březen
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Gronych, Tomáš Vičar, Martin Jeřáb, Martin Peksa, Ladislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	20865
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10288894
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Gas throughput; Orifice flow standard; Multi-opening orifice; Orifice (en)
http://linked.open.../riv/klicoveSlovo	Gas throughput Multi-opening orifice Orifice Orifice flow standard
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[4E89228AF6F4]
http://linked.open...i/riv/nazevZdroje	Vacuum
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	101
http://linked.open...iv/tvurceVysledku	Gronych, Tomáš Jeřáb, Martin Krajíček, Z. Peksa, Ladislav Prazak, D. Stanek, F. Vičar, Martin
http://linked.open...ain/vavai/riv/wos	000330143000071
issn	0042-207X
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.vacuum.2013.10.014
http://localhost/t...ganizacniJednotka	11320

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