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spezifische Stutzenarbeit

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02:46 Feb 16, 2009
This question was closed without grading. Reason: No acceptable answer

German to English translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering / Pumps & Compressors
German term or phrase: spezifische Stutzenarbeit
"Die spezifische Stutzenarbeit ist die innerhalb der Stutzen (Saug- und Druck-stutzen) übertragene Energie je Masseneinheit bzw. Leistung je Massenstromeinheit des Fluids."

Is this just "specific work," or is there a more precise term?
Darin Fitzpatrick
United States
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Summary of answers provided
4Enthalpy or headMarkHerskind
3 -1specific work of the connecting pipe
Yasutomo Kanazawa


Discussion entries: 2





  

Answers


1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): -1
specific work of the connecting pipe


Explanation:
I think Stutzenarbeit here means work of the connecting pipe.

Yasutomo Kanazawa
Local time: 22:20
Works in field
Native speaker of: Native in JapaneseJapanese
PRO pts in category: 8

Peer comments on this answer (and responses from the answerer)
disagree  Bernd Runge: This has nothing to do with pipes but with the energy level increase/decrease [J/kg or N/kg] of a working fluid upstream and downstream of a flow machine i.e. pump/compressor and turbine.
3 hrs
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17 days   confidence: Answerer confidence 4/5Answerer confidence 4/5
Enthalpy or head


Explanation:
In the book Strömungsmaschinen 2 by Willi Bohl (ISBN 3-8023-1527-8), the term Spezifische Stutzenarbeit is described on page 15 as "das spezifische Energiegefälle swischen Ein- und Austrittsstutzen" (The specific increase/decrease in energy between inlet and outlet) and measured in J/kg or kJ/kg.. When dealing with water-turbines it is often replace with the "Fallhöhe", H, (I guess this is the head) and for gas or steam turbines you use "Wärmegefälle", delta H, (Which is the change in enthalpy)..

MarkHerskind
Local time: 15:20
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