Sentences with phrase «thermal efficiency of the engine»

Featuring innovative Stop & Start technology, the 1.33 litre petrol engine is equipped with Dual Variable Valve Timing - intelligent (VVT - i) and a high compression ratio of 11.5:1, which increases the thermal efficiency of the engine.
Test results showed that in 100 kph (62 miles / hour) constant - speed driving, the use of the Rankine cycle improved the thermal efficiency of the engine by 3.8 %.

Not exact matches

In a study published in EPJ D, Kai - Wei Sun and colleagues from Beihang University, Beijing, China, show methods for controlling the output power and efficiency of a quantum thermal engine based on the two - atom cavity.
Professor Ken Naitoh of Waseda University's Faculty of Science and Engineering (Department of Applied Mechanics and Aerospace Engineering, School of Fundamental Science and Engineering) and his associates have discovered a revolutionary energy conversion principle (new compressive combustion principle) able to yield stand - alone engines with double or higher the thermal efficiency potential of conventional engines, independent of their size.
The maximum thermal efficiency of present - day gasoline engines for automobiles is on the order of 30 %, believed to fall to a level as low as 15 % in states from idling to low - speed city driving.
Therefore, if automobiles could be equipped with «low - cost, ultimate - efficiency engines,» reaching a stand - alone thermal efficiency of 60 % or higher over a wide range of driving conditions, it is believed that a substantial fuel consumption superior to that of current hybrid system automobiles could be a reality.
A new 2.5 - liter direct - injection inline four - cylinder engine, made to align with the Toyota New Global Architecture, has a thermal efficiency of 40 percent inside gasoline vehicles and 41 percent in hybrid vehicles.
For the # 16,430 SEAT it's a diesel's high thermal efficiency, allowing an official 61.4 «combined» mpg and 123g / km (diesel produces more CO2 per volume unit burnt than petrol does), while for the # 20,660 Volkswagen it's the use of forced induction on a downsized engine resulting in official figures of 42.8 mpg and 154g / km.
Nissan took its VK56DE V - 8 and designed new pistons, new heads, and a new exhaust; added a multicontrol valve to manage the engine's thermal efficiency better than a traditional thermostat; and included direct injection to improve the happy triumvirate of power, efficiency, and emissions.
To do that, hybrid - vehicle engineers have identified two crucial areas for development: increasing the efficiency of electric drives and optimizing the thermal efficiency of heat engines.
Let's start with some context: the conventional gasoline engine we are so used to has a thermal efficiency of around 30 %.
Rumors also suggest that the new engine dimensions of the 16x will have increased stroke and reduced rotor width for improved thermal efficiency and more torque.
The mods allow Toyota to boast of raising the engine's thermal efficiency (the amount of the fuel's energy it converts to power) to a class - leading 37 percent.
It features improved batteries with higher energy density; smaller electric motors, with higher power density than the previous Prius motors; and the gasoline engine features a thermal efficiency greater than 40 % (that of the third - generation Prius is 38.5 %).
The IONIQ Hybrid and IONIQ Plug - in both feature the new Kappa 1.6 GDI, direct injection petrol, four - cylinder engine with a class - leading thermal efficiency of 40 percent, delivering 105 PS and 147 Nm of torque.
Engineers focused on improving thermal efficiency and reducing friction of the engine's internal moving parts, especially during warm - up — the time when an engine emits higher levels of CO2 and other pollutants.
The new sports car generation makes its debut in the classic Porsche pairing of Boxster and Boxster S. Both models are powered by flat - six engines with direct petrol injection, the efficiency of which is further enhanced by electrical system recuperation, thermal management and start / stop function.
The Japanese automaker calls them Dynamic Force Engines — one is designated for conventional use, the other for hybrids — and they achieve a thermal efficiency of 40 and 41 percent, respectively.
The enhanced engine achieves a maximum thermal efficiency of 38.5 %, realizing both high fuel efficiency and high output.
The 1.8 VVT - i Atkinson petrol engine used is one of the most efficient around in terms of thermal efficiency.
The IONIQ Hybrid and IONIQ Plug - in both feature the new Kappa 1.6 GDI, direct injection petrol, four - cylinder engine with a class - leading thermal efficiency of 40 per cent delivering 105 PS and 147 Nm of torque.
The new 1 - litre K10C petrol engine has greater thermal efficiency than the K10B used in other models because of a higher compression ratio (12.0:1 instead of 11.0:1), dual fuel - injection and friction reduction.
Due to the unique crankshaft design of the Atkinson, its expansion ratio can differ from its compression ratio and, with a power stroke longer than its compression stroke, the engine can achieve greater thermal efficiency than a traditional piston engine.
The 2018 Accord Hybrid is powered by the third generation of Honda's innovative two - motor hybrid powertrain, which pairs a 2.0 - liter DOHC i - VTEC ® Atkinson - cycle inline - 4 engine with 40 - percent thermal efficiency to an electric propulsion motor that churns out 232 lb. - ft.
With the advanced combustion techniques of Smart Stream engines, Hyundai Motor Group aims to maximize thermal efficiency by up to 50 % in the future.
The Ioniq hybrid powertrain consists of a new Kappa 1.6 direct - injected Atkinson - cycle four - cylinder engine with a thermal efficiency of 40 %, delivering an estimated 105 horsepower (78 kW) and an estimated 109 lb - ft (148 N · m) of torque.
The thermal efficiency of the combustion engine with electric turbocharger (MGU - H) in conjunction with the electric motor on the crankshaft (MGU - K) will be more than 40 %.
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 %.
Advanced technologies, including high - speed combustion, multi-hole direct fuel injectors, a continuously variable capacity oil pump, a variable cooling system and VVT - iE intelligent variable valve - timing on the intake side give the engine maximum thermal efficiency of around 40 percent — an exceptional number for a passenger vehicle engine.
Up front, a new 2.0 - liter, Atkinson - cycle four - cylinder engine provides 143 horsepower and 129 pound - feet of torque, delivering an incredible 40 percent thermal efficiency.
The engine utilizes high - speed combustion technology and a variable control system for greater thermal efficiency output, which reduces energy losses associated with exhaust and cooling systems and the movement of mechanical parts, among other factors.
The Ioniq Hybrid and Ioniq Plug - in Hybrid both feature a new Kappa 1.6 direct - injected Atkinson - cycle four - cylinder engine with a thermal efficiency of 40 %, delivering an estimated 104 horsepower (78 kW) and an estimated 109 lb - ft (148 N · m) of torque.
The IONIQ Hybrid and IONIQ Plug - in both feature the new Kappa 1.6 GDI, gasoline direct injection, four - cylinder engine featuring a thermal efficiency of 40 % and 104 hp (77 kW) and 147 N · m (57 lb - ft) of torque.
More specifically, the 2.0 - liter i - VTEC inline - four running on the Atkinson cycle offers 214 g / kwh of 87 - octane gasoline, which is the highest thermal efficiency of any mass produced engine Honda has seen.
Dr. Draeger explained that the efficiency of the N37 engine comes from its capacity - to - surface - area ratio, which he describes as being better than any existing BMW engine for thermal performance.
This mid-sizer's 2.5 - litre four - cylinder gasoline engine was modified to run on the Atkinson cycle, which keeps the intake valves open longer for better thermal efficiency, making a modest 156 horsepower and 136 lb - ft of torque.
All of these engines make use of important technologies from the brand's modular efficiency platform — the start - stop system, the energy recovery system, and the innovative thermal management concept.
Each of these three engines also makes use of technologies from the brand's modular efficiency platform — the innovative thermal management concept, the start - stop system, and the energy recovery system.
At launch, the new A3 will be available with one TDI and two TFSI engines, all of which incorporate many efficiency technologies — direct injection, turbocharging, innovative thermal management and the start - stop system.
The result is a maximum thermal efficiency of around 40 % — currently a best - in - class level for a passenger vehicle engine.
The Ioniq Plug - in Hybrid features a Kappa 1.6 L direct - injected Atkinson - cycle four - cylinder engine with a thermal efficiency of 40 % and delivers an estimated 104 horsepower and an estimated 109 lb - ft (148 N · m) of torque.
Powering the new Prius is a reengineered 97 hp / 142 Nm 1.8 litre Atkinson - cycle VVT - i petrol four - pot — now the most efficient internal combustion engine in the world, with maximum thermal efficiency figure of 40 % — mated to a pair of 71 hp / 163 Nm electric motors that are now smaller and lighter than before.
With a 40 - percent thermal efficiency (41 percent for hybrids), the 2.5 - liter 4 - cylinder Dynamic Force Engine is the ideal powerplant for the all - new RAV4 to meet the demand of providing a highly responsive, yet fuel efficient driving experience.
It also claims better fuel efficiency than with the outgoing engine of the same displacement — and phenomenal 40 percent thermal efficiency.
With its pair of turbochargers mounted between the vee, the engine is more compact, (according to BMW) focusing its weight distribution in relation to the front wheels and improving thermal 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.
Heat also exacerbates climate impacts by reducing the efficiency of thermal power generators, combustion engines and even the operation of solar photovoltaic (PV) panels.
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