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<abstract><title style='display:none'>Abstract</title>The relations between the pressure drop values of filter rods and nozzles obtained by customary gauges and the atmospheric pressure are investigated. Measurements are carried out between 500 and 1.000 mm Hg external pressure. This range was produced artificially. In case of filter rods it is shown, that a variation of 4 % only is received on the full measuring range by operating at constant air circulation (cm3/s) independent of atmospheric pressure. This shift is negligible in view of normally occurring local variations of atmospheric pressure. By operating at constant air circulation (cm3/s) the value of the nozzles' pressure drop varies in considerable degree over the full measuring range. Using reference nozzles for devices of pressure drop determination at different altitudes therefore, either a correction of the reference mark fixed at a standard pressure is necessary, or the values for filter pressure drop are to be corrected. The corrections are indicated. </abstract>

Abstract

Physikalisches Laboratorium der Wissenschaftlichen Abteilung, H. F. & Ph. F. Reemtsma, Harnburg

<article-title>The Determination of Pressure Drop of Filter Rods and Nozzles under Different Atmospheric Pressure Conditions/Messung des Zugwiderstandes von Filterstäben und Düsen unter verschiedenen Luftdruckbedingungen</article-title>

The Determination of Pressure Drop of Filter Rods and Nozzles under Different Atmospheric Pressure Conditions/Messung des Zugwiderstandes von Filterstäben und Düsen unter verschiedenen Luftdruckbedingungen

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Advisory Board　　　 Bernhard Eitzinger, delfortgroup AG, Traun, Austria Ernest Groman, University of Vienna, Vienna, Austria Daniel Heck, HeckTox LLC, Greensboro, NC, USA Anne Fisher, University of Kentucky, Lexington, KY, USA Xie Jianping, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China Hubert Klus, St. Pölten, Austria John H. Lauterbach, Lauterbach &amp; Associates LLC, Macon, GA, USA Ramsey Lewis, North Carolina State University, Raleigh, NC, USA Chuan Liu, Southampton, UK Tryggve Ljung, Swedish Match, Stockholm, Sweden Michael W. Ogden, Ogden Ology, LLC, Lewisville, NC, USA Thilo Paschke, Geneva, Switzerland Stephen W. Purkis, Bristol, UK Elmar Richter †, Ludwig-Maximilians-University, Munich, Germany Wolfram Roeper, Hamburg, Germany Wolfgang Trinkies, Bayreuth, Germany Andreas Zemann, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria Editors Wolf-Dieter Heller Gerhard Scherer Editorial Office Barbara Boenke Brigitte Müller Anja Thielen Contact <A href="mailto:editors@beitraege-bti.de">editors@beitraege-bti.de</A> Publisher De Gruyter Poland Bogumiła Zuga 32A Str. 01-811 Warsaw, Poland T: +48 22 701 50 15

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Contributions to Tobacco & Nicotine Research

The Determination of Pressure Drop of Filter Rods and Nozzles under Different Atmospheric Pressure Conditions/Messung des Zugwiderstandes von Filterstäben und Düsen unter verschiedenen Luftdruckbedingungen

E. Erxleben et
E. Erxleben et
A. Vorwerk
A. Vorwerk

Publié en ligne: 12 Jul 2014

Volume & Edition: Volume 5 (1969) - Edition 1 (June 1969)

Pages: 28 - 33

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Contributions to Tobacco & Nicotine Research

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Contributions to Tobacco & Nicotine Research

The Determination of Pressure Drop of Filter Rods and Nozzles under Different Atmospheric Pressure Conditions/Messung des Zugwiderstandes von Filterstäben und Düsen unter verschiedenen Luftdruckbedingungen

E. Erxleben etE. Erxleben etA. VorwerkA. Vorwerk

Publié en ligne: 12 Jul 2014

Volume & Edition: Volume 5 (1969) - Edition 1 (June 1969)

Pages: 28 - 33

Détails du journal et du numéro

Contributions to Tobacco & Nicotine Research

Aperçu PDF

Références

Articles récents

E. Erxleben et
E. Erxleben et
A. Vorwerk
A. Vorwerk