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English to French translations [PRO]
Tech/Engineering - Automotive / Cars & Trucks | | English term or phrase: road-load | Bonjour,
Comment traduire "road-load" dans ces deux phrases :
"All vehicle types, regardless of what powertrain they use, need to overcome road-load"
"Road-load affects all vehicles"
Merci de votre aide,
Flore |
|  Flore BargainKudoZ activityQuestions: 237 ( 3 open) ( 10 without valid answers) ( 5 closed without grading) Answers: 9
France
| | Local time: 01:49
|
| | résistance à l'avancement | Explanation:
..
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Note added at 4 mins (2011-06-03 10:40:18 GMT)
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"fr - EUR-Lex - Recherche simple
KR= est le facteur de correction en température de la résistance totale à l'avancement; il doit être pris égal à 3,6 × 10-3/°C. RT= is the total road load ..."
http://eur-lex.europa.eu/Notice.do?mode=dbl.
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Note added at 6 mins (2011-06-03 10:42:15 GMT)
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"So even when the car is sitting still it uses quite a lot of fuel. Cars get the very worst mileage at 0 mph; they use gasoline but don't cover any miles. When you put the car in drive and start moving at say 1 mph, the car uses only a tiny bit more fuel, because the road load is very small at 1 mph. At this speed the car uses about the same amount of fuel, but it went 1 mile in an hour. This represents a dramatic increase in mileage. Now if the car goes 2 mph, again it uses only a tiny bit more fuel, but goes twice as far. The mileage almost doubled! "
http://auto.howstuffworks.com/fuel-efficiency/fuel-economy/q...
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Note added at 4 hrs (2011-06-03 14:40:26 GMT)
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"The power to push a car down the road varies with the speed the car is traveling. The power required follows an equation of the following form:
road load power = av + bv² + cv³
The letter v represents the velocity of the car, and the letters a, b and c represent three different constants:
The a component comes mostly from the rolling resistance of the tires, and friction in the car's components, like drag from the brake pads, or friction in the wheel bearings.
The b component also comes from friction in components, and from the rolling resistance in the tires. But it also comes from the power used by the various pumps in the car.
The c component comes mostly from things that affect aerodynamic drag like the frontal area, drag coefficient and density of the air. "
http://auto.howstuffworks.com/fuel-efficiency/fuel-economy/q...
|
| Selected response from:
FX Fraipont
Belgium
Local time: 01:49
| Grading comment Merci !
4 KudoZ points were awarded for this answer |
| |
31 mins confidence:  
42 mins confidence:
1 hr confidence: peer agreement (net): +1 résistance aérodynamique
Explanation:
Synonyme de "résistance à l'avancement" pour les véhicules terrestres.
Aller à Résistance à l'avancement: La résistance à l'avancement ou résistance aérodynamique est donnée par la traînée que produit la voiture ...
http://timupsinsa.ifrance.com/fiches/bilan.htm
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Note added at 1 heure (2011-06-03 12:06:49 GMT)
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Sachant que près de 15 % de l'énergie consommée par une automobile est utilisée pour vaincre la résistance aérodynamique à l'avancement, les constructeurs ...
http://fr.wikipedia.org/wiki/Aérodynamique_automobile
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Note added at 1 heure (2011-06-03 12:10:26 GMT)
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Exercice 4 : Résistance aérodynamique d'un véhicule. Enoncé : Considérons un véhicule ayant un coeficient de traînée Cx et un maître couple S. ...
http://gev.industrie.gouv.fr/gev-mecaflu/mecaflu/exercices_s...
L'aérodynamique est l'un des éléments majeurs qui impacte la consommation. A 120 km/h, la résistance aérodynamique représente la moitié du total des ...
http://coteauto.autobiz.fr/technique/economie/45_aerodynamiq...
|  Christine C.
Local time: 01:49
Native speaker of:  French
PRO pts in category: 25
|
| |
3 mins confidence: peer agreement (net): +2 résistance à l'avancement
Explanation:
..
--------------------------------------------------
Note added at 4 mins (2011-06-03 10:40:18 GMT)
--------------------------------------------------
"fr - EUR-Lex - Recherche simple
KR= est le facteur de correction en température de la résistance totale à l'avancement; il doit être pris égal à 3,6 × 10-3/°C. RT= is the total road load ..."
http://eur-lex.europa.eu/Notice.do?mode=dbl.
--------------------------------------------------
Note added at 6 mins (2011-06-03 10:42:15 GMT)
--------------------------------------------------
"So even when the car is sitting still it uses quite a lot of fuel. Cars get the very worst mileage at 0 mph; they use gasoline but don't cover any miles. When you put the car in drive and start moving at say 1 mph, the car uses only a tiny bit more fuel, because the road load is very small at 1 mph. At this speed the car uses about the same amount of fuel, but it went 1 mile in an hour. This represents a dramatic increase in mileage. Now if the car goes 2 mph, again it uses only a tiny bit more fuel, but goes twice as far. The mileage almost doubled! "
http://auto.howstuffworks.com/fuel-efficiency/fuel-economy/q...
--------------------------------------------------
Note added at 4 hrs (2011-06-03 14:40:26 GMT)
--------------------------------------------------
"The power to push a car down the road varies with the speed the car is traveling. The power required follows an equation of the following form:
road load power = av + bv² + cv³
The letter v represents the velocity of the car, and the letters a, b and c represent three different constants:
The a component comes mostly from the rolling resistance of the tires, and friction in the car's components, like drag from the brake pads, or friction in the wheel bearings.
The b component also comes from friction in components, and from the rolling resistance in the tires. But it also comes from the power used by the various pumps in the car.
The c component comes mostly from things that affect aerodynamic drag like the frontal area, drag coefficient and density of the air. "
http://auto.howstuffworks.com/fuel-efficiency/fuel-economy/q...
| FX Fraipont
Belgium
Local time: 01:49
Works in field
Native speaker of: French
PRO pts in category: 878
|
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