DIN EN 1779 Berichtigung 1-2005 Corrigenda to DIN EN 1779 1999-10《对DIN EN 1779-1999的勘误》.pdf

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1、Februar 2005 Normenausschuss Materialpr fung (NMP) im DINPreisgruppe 99DIN Deutsches Institut f r Normung e.V. Jede Art der Vervielf ltigung, auch auszugsweise, nur mit Genehmigung des DIN Deutsches Institut f r Normung e. V., Berlin, gestattet.ICS 19.100B_P 9608974www.din.deXEs wird empfohlen, auf

2、der betroffenen Normeinen Hinweis auf diese Berichtigung zu machen.DIN EN 1779 Berichtigung 1Berichtigungen zu DIN EN 1779:199910Corrigenda to DIN EN 1779:199910Corrigenda DIN EN 1779:199910Alleinverkauf der Normen durch Beuth Verlag GmbH, 10772 Berlinwww.beuth.deGesamtumfang 3 SeitenDIN EN 1779 Ber

3、 1:2005-022InDIN EN 1779:1999-10Zerstrungsfreie Prfung Dichtheitsprfung Kriterien zur Auswahl von Prfmethoden und-verfahren; Deutsche Fassung EN 1779:1999mssen verschiedene Werte in der Tabelle B.1 korrigiert werden. Die korrigierte Tabelle B.1 ist im Folgendendargestellt:DIN EN 1779 Ber 1:2005-023A

4、nhang B (informativ)Umrechnungsfaktoren fr LeckagerateneinheitenTabelle B.1 Umrechnungsfaktoren (n) fr Leckagerateneinheiten (1 X = nY)YPa m3/s mbar l/s Pa l/s torr l/s lusec G6d ft3/s atm ft3/min std cm3/s Molekle/s mol/soder (micron Hg l s-1) (micron ft3s-1) oderX bar cm3/s ft3(NTP)/minPa m3/s 1 1

5、0 1 x 1037,5 7,5 x 1032,65 x 1022,097 x 10-29,87 2,651 x 10204,403 x 10-4mbar l/soder 1 x 10-111 x 1027,5 x 10-17,5 x 1022,65 x 1012,097 x 10-39,87 x 10-12,651 x 10194,403 x 10-5bar cm3/sPa l/s 1 x 10-31 x 10-21 7,5 x 10-37,5 2,65 x 10-12,097 x 10-59,87 x 10-32,651 x 10174,403 x 10-7torr l/s 1,33 x

6、10-11,333 1,33 x 10211 x 1033,53 x 1012,795 x 10-31,316 3,535 x 10195,87 x 10-5lusec 1,33 x 10-41,33 x 10-31,33 x 10-11 x 10-31 3,53 x 10-22,795 x 10-61,32 x 10-33,535 x 10165,87 x 10-8G6d ft3/s 3,76 x 10-33,76 x 10-23,76 2,83 x 10-22,83 x 1011 7,92 x 10-53,71 x 10-21,001 x 10181,662 x 10-6atm ft3/m

7、inoder 4,78 x 1014,78 x 1024,78 x 1043,58 x 1023,58 x 1051,267 x 1041 4,72 x 1021,268 x 10222,105 x 10-2ft3(NTP)/minstd cm3/s 1,013 x 10-11,013 1,013 x 1027,6 x 10-17,6 x 1022,67 x 1012,12 x 10-31 2,687 x 10194,461 x 10-5Molekle/s 3,77 x 10-213,77 x 10-203,77 x 10-182,83 x 10-202,83 x 10-179,99 x 10

8、-197,88 x 10-233,72 x 10-201 1,66 x 10-24mol/s 2,271 x 1032,271 x 1042,271 x 1061,703 x 1041,703 x 1076,016 x 1054,749 x 1012,24 x 1046,022 x 10231ANMERKUNG Bei der Umrechnung von pV-Durchfluss in einen Massenstrom fr ein bestimmtes Gas kann folgende Gleichung angewendet werden.qM= qpVx M / RTDabei ist:qMMassenstrom, in Kilogramm je SekundeqpVpV-Durchfluss, in Pascalkubikmeter je SekundeM molare Masse, in Kilogramm je SekundeR allgemeine Gaskonstante = 8,314 Joule je Mol KelvinT Temperatur, in Kelvin

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