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Sperrluft

English translation: sealing air

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:sperrluft
English translation:sealing air
Entered by: Peter Chambers
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20:28 Jun 6, 2002
German to English translations [PRO]
Tech/Engineering / Diesel engines, catalytic converters, heat exchangers
German term or phrase: Sperrluft
Installation of exhaust flaps in the exhaust pipes from several diesel engines (stationary) that are connected to a common exhaust pipe. When one of the engines is stopped..
Diese beiden Klappen sind bei Stillstand des jeweiligen Motors zu schließen und der Raum zwischen den beiden Klappen ist zu entlüften oder mit Sperrluft zu beaufschlagen.
Peter Chambers
Local time: 10:42
sealing air
Explanation:
According to tecnologix

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Note added at 2002-06-06 20:44:44 (GMT)
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In practical engine geometries however, where disc cooling or sealing air is used to prevent the life degrading effects of mainstream gas ingestion there will be a complex adverse interaction as the pre-swirl air sweeps the hotter disc cooling air towards and into the rotating feed holes. This interaction affects pressure distributions and hence the cavity sealing air flow requirements as well as the temperature of the airflow within the turbine blade cooling passages.

http://www.sussex.ac.uk/Units/tfmrc/Research/r_preswirl.htm
Selected response from:

Kim Metzger
Mexico
Local time: 04:42
Grading comment
4 KudoZ points were awarded for this answer

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Summary of answers provided
4 +1sealing air
Kim Metzger


  

Answers


3 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
sealing air


Explanation:
According to tecnologix

--------------------------------------------------
Note added at 2002-06-06 20:44:44 (GMT)
--------------------------------------------------

In practical engine geometries however, where disc cooling or sealing air is used to prevent the life degrading effects of mainstream gas ingestion there will be a complex adverse interaction as the pre-swirl air sweeps the hotter disc cooling air towards and into the rotating feed holes. This interaction affects pressure distributions and hence the cavity sealing air flow requirements as well as the temperature of the airflow within the turbine blade cooling passages.

http://www.sussex.ac.uk/Units/tfmrc/Research/r_preswirl.htm


    Reference: http://www.tecnologix.net
Kim Metzger
Mexico
Local time: 04:42
Native speaker of: Native in EnglishEnglish
PRO pts in pair: 21825

Peer comments on this answer (and responses from the answerer)
agree  Trudy Peters
5 hrs
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