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annubar

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08:57 Dec 4, 2009
English to Catalan translations [PRO]
Tech/Engineering - Engineering (general)
Additional field(s): Engineering: Industrial, Petroleum Eng/Sci
English term or phrase: annubar
Definition from NExTclass.net:
A gas measurement device that consists of a multiple-ported Pitot tube installed inside a pipe through which gas is flowing; it is installed perpendicular to the flow of gas. The length of the annubar is equal to the diameter of the pipe in which it is installed. An annubar senses the difference between total flowing pressure and static pressure; gas volume is calculated from this difference.

Example sentence(s):
  • Providing accurate and reliable steam flow measurement to the steam host is a very important aspect in generating revenue for the co-generation facility. The existing annubar flow measurement system could not measure the low end of the steam flow requirements without major changes to the piping and purchasing a new annubar. McCrometer, Inc.
  • Annubars have been used for years on flare applications. An annubar is a differential pressure device with the signal increasing proportional to the square of the flow. Annubars are good for high flow rate applications, but are not good for low flow applications due to the small pressure difference these flows represent. For mass flow applications, annubars require pressure and temperature compensation. ABLE Instruments & Controls Limited
  • Both the pitot tube and annubar contribute very small pressure drops, but they are not physically strong and should be used only with clean fluids. pc-education.mcmaster.ca
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Summary of translations provided
4(Tub) Annubar
iolanda casacuberta


  

Translations offered


10 days   confidence: Answerer confidence 4/5Answerer confidence 4/5
(Tub) Annubar


Definition from Recull d'apunts universitaris:
El tub Annubar és una innovació del tub de Pitot. Està compost per un tub exterior, situat al llarg d'un diàmetre transversal de la canonada, i dos tubs interiors. El tub exterior presenta quatre orificis en la cara aigües dalt del corrent, que s'utilitzen per a interpolar els perfils de velocitat i realitzar un terme mitjà, i altre orifici en el centre del tub però en la cara aigües baix del corrent.
Dels dos tubs que estan en el seu interior, un serveix per a promediar les pressions obtingudes en els quatre orificis, amidant la pressió total, mentre que l'altre tub, que es troba en la part posterior, amida la pressió estàtica en l'orifici central aigües baix del corrent.

Example sentence(s):
  • Comprovar la correcta mesura de cabal en sistemes amb toveres, tubs Venturi, tubs de pitot i/o elements Annubar, interpretant fulls d'especificacions i valors dels seus diferents paràmetres. - GENCAT  
  • Sondes de mesurament de tir i de velocitat (tubs Pitot, Annubar, isocinètiques): permeten determiner els cabals volumètrics de gasos a partir del perfil de velocitats en els conductes; mesurar diferències de pressió, pressions estàtiques i dinàmiques, i prendre postres representatives que no alteren la composición dels gasos. - UPC  
  • Existeixen diferents tipus de tubs Annubar, la selecció dels quals depèn de la grandària de la línia i la seva aplicació. El tub Annubar té major precisió que el tub de Pitot, així com una baixa pèrdua de càrrega, utilitzant-se per a la mesura de petits i grans cabals de fluids. - Apunts Universitaris  
iolanda casacuberta
Spain
Local time: 22:31
Native speaker of: Native in CatalanCatalan, Native in SpanishSpanish
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