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# thrust deduction factor

## French translation: coéfficient de trainée (visqueuse) de l'hélice (des pales)

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
 English term or phrase: thrust deduction factor French translation: coéfficient de trainée (visqueuse) de l'hélice (des pales) Entered by:

 12:18 Jan 17, 2008
English to French translations [PRO]
Tech/Engineering - Ships, Sailing, Maritime / ship propulsion
 English term or phrase: thrust deduction factor Merco d'avance de votre aide.
 Local time: 18:07
 coéfficient de trainée (visqueuse) de l'hélice (des pales) Explanation:Thrust-deduction factor (fraction). Thrust-deduction factor (fraction) When a hull is towed, there is an area of high pressure over the stern, which has a resultant forward component to reduce the total resistance. With a self-propelled hull (in the presence of the propeller), the pressure at the stern is decreased due to the propeller action. Therefore, there is a resistance augment due to the presence of the propeller. If T is the trust of the propeller & RT is the towing resistance of a hull at a given speed Vs , then in order that the propeller propel the hull at this speed, T must be greater than RT because of the resistant augment. The normalized difference between T and RT, is called the thrust-deduction Fraction, and denoted by t. CD, coefficient de traînée visqueuse des pales b4360eq1. CL, coefficient de portance d'une ... CT, coefficient de charge (de poussée) de l'hélice b4360eq5 ... www.techniques-ingenieur.fr/dossier/helices_marines/B4360 - 48k ---------------------------------------------------Note added at 35 mins (2008-01-17 12:53:44 GMT)--------------------------------------------------http://209.85.135.104/search?q=cache:_0UbhEBxcpgJ:ceprofs.ta...
Selected response from:

Drmanu49
France
Local time: 19:07
 Merci, peut être mieux que l'autre terme proposé dans le contexte marin? Bon weekend à tous deux!4 KudoZ points were awarded for this answer

4coéfficient de trainée (visqueuse) de l'hélice (des pales)
 Drmanu49
3coefficient de succion (de poussée corrigée)
 GILOU

5 mins   confidence:
coefficient de succion (de poussée corrigée)

Explanation:
ref = Termium

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Note added at 28 mins (2008-01-17 12:47:13 GMT)
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Sillage et coefficient de sillage ... (10) Coefficient de succion. (11) Relation entre la puissance moyenne et la vitesse. (12) Détermination du diamètre et ...
www.tc.gc.ca/securitemaritime/TP/TP8911/TP8911F.pdf

 GILOUFranceLocal time: 19:07Native speaker of: FrenchPRO pts in category: 338

22 mins   confidence:
coéfficient de trainée (visqueuse) de l'hélice (des pales)

Explanation:
Thrust-deduction factor (fraction). Thrust-deduction factor (fraction)
When a hull is towed, there is an area of high pressure over the
stern, which has a resultant forward component to reduce the total
resistance. With a self-propelled hull (in the presence of the
propeller), the pressure at the stern is decreased due to the
propeller action. Therefore, there is a resistance augment due to
the presence of the propeller. If T is the trust of the propeller & RT
is the towing resistance of a hull at a given speed Vs , then in order
that the propeller propel the hull at this speed, T must be greater
than RT because of the resistant augment. The normalized
difference between T and RT, is called the thrust-deduction
Fraction, and denoted by t.

CD, coefficient de traînée visqueuse des pales b4360eq1. CL, coefficient de portance d'une ... CT, coefficient de charge (de poussée) de l'hélice b4360eq5 ...
www.techniques-ingenieur.fr/dossier/helices_marines/B4360 - 48k -

--------------------------------------------------
Note added at 35 mins (2008-01-17 12:53:44 GMT)
--------------------------------------------------

http://209.85.135.104/search?q=cache:_0UbhEBxcpgJ:ceprofs.ta...

 Drmanu49FranceLocal time: 19:07Specializes in fieldNative speaker of: English, FrenchPRO pts in category: 387
 Merci, peut être mieux que l'autre terme proposé dans le contexte marin? Bon weekend à tous deux!

 Jan 18, 2008 - Changes made by Drmanu49: Created KOG entry KudoZ term » KOG term

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