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wandruwheid

English translation: wall roughness

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Dutch term or phrase:wandruwheid
English translation:wall roughness
Entered by: Andre de Vries
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21:50 Oct 21, 2007
Dutch to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering
Dutch term or phrase: wandruwheid
this is about problems with drains...

Nieuwbouw, vanwege slecht afgewerkte PVC-verbindingen, soms in combinatie met achtergebleven bouwafval. En oudbouw, bijvoorbeeld bij verzakkingen en wortelingroei en door toegenomen wandruwheid.
Andre de Vries
United Kingdom
Local time: 00:49
wall roughness
Explanation:
A fair few relevant hits on Google for "wall roughness" in combination with "drains":
http://www.google.com/search?q=wall-roughness drains

Here's one example:
"In general, the relatively high channel roughness could be attributed to a number of factors, including: [...] *increased wall roughness* due to abrasion by gravel transport in the water column, *increased wall roughness* caused by tubeworm and barnacle deposits on the walls, and channel sinuosity."
http://www.rossvalleywatershed.org/docManager/1000000044/Man...
Selected response from:

Neil Cross
United Kingdom
Local time: 00:49
Grading comment
thanks
4 KudoZ points were awarded for this answer

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Summary of answers provided
3 +5wall roughness
Neil Cross


  

Answers


14 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +5
wall roughness


Explanation:
A fair few relevant hits on Google for "wall roughness" in combination with "drains":
http://www.google.com/search?q=wall-roughness drains

Here's one example:
"In general, the relatively high channel roughness could be attributed to a number of factors, including: [...] *increased wall roughness* due to abrasion by gravel transport in the water column, *increased wall roughness* caused by tubeworm and barnacle deposits on the walls, and channel sinuosity."
http://www.rossvalleywatershed.org/docManager/1000000044/Man...


Neil Cross
United Kingdom
Local time: 00:49
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 28
Grading comment
thanks

Peer comments on this answer (and responses from the answerer)
agree  Alice Saunders: sounds good to me
7 hrs
  -> Thanks, Alice.

agree  Eddie R. Notowidigdo
8 hrs
  -> Thanks, Eddie.

agree  Jack den Haan
11 hrs
  -> Thanks, Jack.

agree  Ken Cox: wall roughness increases flow turbulence and thus reduces flow capacity
12 hrs
  -> Thanks, Ken.

agree  Karl Bates
21 hrs
  -> Thanks, Karl.
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