Sentences with phrase «with volumetric efficiency»
As it states in the body, this correlates with volumetric efficiency (how completely a cylinder fills with air on the intake stroke) at WOT.
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Motorcycles, on the other hand do not have quite such a large potential for varying weight (as cars), and as such their engines don't need to be straddled with these same design limitations / specifications; hence their emphasis on high rotational speeds, light weight, high volumetric efficiencies, and KW - rather than (specifically) torque.
In order to increase the Volumetric Efficiency (VE) of your engine «pump», everything must be balanced to add as much fuel that is needed with any added air.
Higher power does not mean higher mpg and «volumetric efficiency» has nothing to do with fuel efficiency (in fact, higher volumetric efficiency means you suck in more fuel and air per stroke).
Performing a volumetric efficiency test can reveal the accuracy of a vehicle's Mass Airflow Sensor (MAF) as well as potential issues with the engine and can be the key to successfully diagnosing and fixing a vehicle.
Cylinder filling with atmospheric air is aided and volumetric efficiency is increased for the same reason.
The 3.6 - liter V - 6 engine design features DOHC and high - flow intake and exhaust ports, that in combination with variable - valve timing via dual independent cam phasing, allow optimum volumetric and combustion efficiency over the full speed and load range.
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Unfortunately, the frequency, magnitude and timing of these pulses varies with speed, so the volumetric efficiency of an engine with fixed valve timing will only be optimum at one speed.
To get the best volumetric efficiency at a particular operating point, one must tune the valve events to be in - sync with these pulses.
Dual - overhead cam (DOHC) cylinder heads with high - flow intake and exhaust ports, in combination with variable - valve timing (VVT), allow optimum volumetric and combustion efficiency over the full speed and load range.
Using CVVT on both camshafts has several advantages when compared with using it just on the intake camshaft, including a two percent improvement in performance (increased volumetric efficiency), two percent improvement in fuel economy (reduced pumping loss) and a 30 percent reduction in hydrocarbon emissions.
Due to early intake valve closing in the Miller combustion cycle, volumetric efficiency is lower than for an engine with standard valve timing.
In order to achieve the optimum volumetric efficiency in the lower portion of the engine's operating range, rocker arms are programmed to follow cam lobes that provide low lift and reduced duration (shorter time open with less valve lift).
The increase in power was made possible by the engine's improved volumetric efficiency through reduced intake load losses and by exhaust backpressures, together with optimized electronic control.
In conjunction with a dramatic reduction in volumetric electricity charges, the unprecedented rate re-structuring «would rewrite the incentive to do distributed generation or energy efficiency in Illinois.»