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überdecken

English translation: forms a barrier over

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:überdecken
English translation:forms a barrier over
Entered by: Bernhard Sulzer

17:43 Dec 6, 2009
German to English translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks / paintwork
German term or phrase: überdecken
This term is used in a text about potential explosive mixtures forming during spot repairs in spray painting booths (i.e. imperfections in the paintwork of new cars are put right). The booth has a ventilation system working from top to bottom. Here they use the term überdecken when talking about the flow of air produced by the booth extraction system and the flow of air produced by the paint gun:

In einem ersten Schritt wird grob abgeschätzt, in welchem Abstand von der lackierten Fläche die Lüftungsgeschwindigkeit von 0,1 m/s die vom Sprühvorgang bedingte Luftbewegung überdeckt. Ab dort ist dann nur eine Abwärtsbewegung möglicher Gemische zu den Ablüftung am Boden möglich.

It appears again here:
Mit der genannten maximalen Luftmenge von V = 0,1 m3/min ergibt sich rechnerisch bereits bei einem Radius von r = 0,1 m eine Geschwindigkeit von v = 0,02 m/s durch die hemisphärische Kontrolloberfläche. Daraus kann geschlossen werden, dass in einem Abstand von 10 cm von der lackierten Fläche die Raumbelüftung bereits die mit der Sprühdüse aufgeprägte Lack-Luftströmung überdeckt.

TIA
TransWolf
forms a barrier over
Explanation:
literally overlays -

it's almost like a layer of paint although here it refers to air streams.What it really means to me is "overpower" meaning the airstream from above becomes so strong that the airstream from the paint gun which would rise cannot rise any longer but is forced downward to the air shafts on the floor.

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Note added at 2 hrs (2009-12-06 20:34:06 GMT)
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or, more lterally:
(to) form(s) a layer over...
Selected response from:

Bernhard Sulzer
United States
Local time: 06:41
Grading comment
Thank you for helping so quickly Bernhard!
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +1forms a barrier over
Bernhard Sulzer
3exceeds
Gunter Prediger


  

Answers


1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
überdecken (here)
forms a barrier over


Explanation:
literally overlays -

it's almost like a layer of paint although here it refers to air streams.What it really means to me is "overpower" meaning the airstream from above becomes so strong that the airstream from the paint gun which would rise cannot rise any longer but is forced downward to the air shafts on the floor.

--------------------------------------------------
Note added at 2 hrs (2009-12-06 20:34:06 GMT)
--------------------------------------------------

or, more lterally:
(to) form(s) a layer over...

Bernhard Sulzer
United States
Local time: 06:41
Works in field
Native speaker of: German
PRO pts in category: 35
Grading comment
Thank you for helping so quickly Bernhard!

Peer comments on this answer (and responses from the answerer)
agree  Richard Stephen
10 hrs
  -> thank you, Richard!
Login to enter a peer comment (or grade)

15 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
exceeds


Explanation:
I think that the German term should be überschreiten - namely the speed of one airstream exceeds the speed of the airstream induced by the spray gun - or not. In this case the mixture goes into the down draft to the floor of the painting booth.

Gunter Prediger
Germany
Local time: 12:41
Works in field
Native speaker of: Native in GermanGerman
PRO pts in category: 4
Login to enter a peer comment (or grade)



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