Sentences with phrase «combustion efficiency ratio»

Not exact matches

They accept that higher - octane fuels will allow us to use higher compression ratios to improve combustion efficiency.

Efficiency improvements in the engine come partly from a higher expansion ratio, optimized combustion, intake volume control and lower friction.

The fuel also has a cooling effect on the combustion that allowed the M engineers to endow the engine with a high compression ratio: yet another technical attribute that contributes to both performance and efficiency, while also reducing exhaust emissions and even having a positive effect on how the engine sounds.

According to Autonews, the 1.3 - litre and 1.0 - litre engines are said to achieve improved thermal efficiency through adapting a rapid combustion process and high compression ratio — usually seen in the Prius and other related hybrids.

All new Auris diesel engines benefit from low compression ratios, optimised combustion chamber dimensions and enhanced Exhaust Gas Recirculation (EGR) cooler efficiency.

To improve fuel efficiency through better - controlled combustion while realizing a powerful ride in the low - to mid-rpm ranges, the bore - stroke ratio is set at 73 × 80 mm.

This enables a high 16.5:1 compression ratio that enhances power and combustion efficiency.

While the compact combustion chamber and higher compression ratio on gasoline engine helps to improve engine efficiency, the advanced thermal management system in diesel engine along with low friction engine oil and modified fuel injection system help diesel engine in faster warm up and lower frictional losses.

The twin - scroll turbocharger design has several other advantages over traditional, single - scroll turbocharging systems, including: • Improved combustion efficiency • Low engine - speed efficiency • Kinetic exhaust gas energy is not wasted or trapped • Cooler cylinder temperatures • Lower exhaust temperatures • Leaner air / fuel ratio • Better pressure distribution in the exhaust ports and more efficient delivery of exhaust gas energy to the turbocharger's turbine Veloster's twin - scroll turbo has superior handling of exhaust gas separation at the turbine leading to improved low - end torque and faster transient torque response.

The controlled combustion feature enables the engine to run with higher compression ratio to deliver greater power and efficiency.

With its long - stroke and high compression ratio, multi-hole direct fuel injectors, variable cooling system and the latest version of Toyota's Variable Valve - Timing - intelligent Electric (VVT - iE), this high - output powerplant takes the gasoline - powered internal combustion engine to a new level with world - leading thermal efficiency of 40 %.

The Direct Injection Gasoline (DIG) system improves combustion efficiency and performance, and enables the engine to avoid knocking at higher compression ratios, while the multi-point injection mixes fuel and air earlier, enabling complete combustion in the chamber for greater efficiency at low engine loads.

In addition, the twin - scroll is more precise, with improved combustion efficiency, reduced turbo lag, leaner air / fuel ratios and more evenly distributed pressure in the exhaust ports, resulting in simultaneous power, efficiency and emissions improvements.

A high compression ratio gives greater efficiency, but in certain applications poses the risk of premature combustion (knocking).

Actually, most of the efficiency of the Skyactiv engine comes from how it manages to reduce intake charge / combustion temperature enabling it to run much higher compression ratio than other engines.

Direct injection delivers fuel directly to the combustion chambers and permits a higher compression ratio, improving fuel efficiency.

An innovative combustion engine design, the 2.0 - liter VC - Turbo engine adjusts its compression ratio to optimize power and efficiency.

The new, downsized 1.0 - liter Kappa gasoline and 1.7 - liter U2 diesel engines, for example, are coupled with high - performance, low - friction engine oil, to considerably reduce driveline friction; dual continuously variable valve timing; improved combustion efficiency; gear ratio optimization; and engine control optimization to increase engine efficiency.

The new combustion system developed with GM's proprietary computational fluid dynamics (CFD) analysis software features a higher compression ratio which helps improve fuel efficiency and has improved knock resistance.

This includes an 11.2:1 compression ratio that helps build power, slightly dished pistons that increase combustion efficiency and injectors with an application - specific flow rate.

Numerous combustion efficiency enhancing measures include a lower compression ratio, optimized combustion chamber dimensions, enhanced Exhaust Gas Recirculation (EGR) cooler efficiency and stainless steel exhaust manifolds with close - coupled Diesel Particulate Filters (DPF).

The engine also boasts a very high 13.5:1 compression ratio for maximum combustion chamber efficiency.

Numerous combustion efficiency enhancing measures include a lower compression ratio, optimised combustion chamber dimensions, enhanced Exhaust Gas Recirculation (EGR) cooler efficiency and stainless steel exhaust manifolds with close - coupled Diesel Particulate Filters (DPF).

Injecting fuel directly into the combustion chamber offers a cooling effect allowing a higher compression ratio and optimized combustion efficiency.

The Otto engine (internal combustion four stroke engine often found in motor vehicles) has a thermal efficiency (on the test bed) of about 25 - 40 % depending on the compression ratio - this can be improved somewhat by turbocharging.

Combustion Efficiency Ratio of the heat released in combustion to the heat available from the fuel.

Attain required boiler combustion efficiency by maintaining fuel to air ratio, controlling input of coal and adjusting proper pressure within furnace