Search results
Results from the WOW.Com Content Network
In an internal combustion engine, the expansion of the high-temperature and high-pressure gases produced by combustion applies direct force to some component of the engine. The force is typically applied to pistons (piston engine), turbine blades (gas turbine), a rotor (Wankel engine), or a nozzle . This force moves the component over a distance.
Diesel exhaust is the exhaust gas produced by a diesel engine, plus any contained particulates. Its composition may vary with the fuel type, rate of consumption or speed of engine operation (e.g., idling or at speed or under load), and whether the engine is in an on-road vehicle, farm vehicle, locomotive, marine vessel, or stationary generator ...
The combustion of hydrogen with oxygen produces water vapor as its only product: 2H 2 + O 2 → 2H 2 O. However, air is a mixture of gases, and the most abundant gas in air is nitrogen. Therefore, the combustion of hydrogen in air produces oxides of nitrogen, known as NO x. In this respect, the combustion process is much like other high ...
Worldwide, there were 14.8 million natural gas vehicles by the end of 2011, mostly in the form of bi-fuel vehicles. [175] The other use for natural gas is in steam reforming which is the common way to produce hydrogen gas for use in electric cars with fuel cells. [8] Methane is also an alternative rocket fuel. [176]
For water-cooled engines on aircraft and surface vehicles, waste heat is transferred from a closed loop of water pumped through the engine to the surrounding atmosphere by a radiator. Water has a higher heat capacity than air, and can thus move heat more quickly away from the engine, but a radiator and pumping system add weight, complexity, and ...
Ray-traced image of a piston engine. There may be one or more pistons. Each piston is inside a cylinder, into which a gas is introduced, either already under pressure (e.g. steam engine), or heated inside the cylinder either by ignition of a fuel air mixture (internal combustion engine) or by contact with a hot heat exchanger in the cylinder (Stirling engine).
Sanchez, who previously worked on gas-powered cars and now focuses on EVs, said it can cost less to repair a water damaged EV than a car with a combustion engine - if you are lucky.
Methanol may be made from fossil fuels or renewable resources, in particular natural gas and coal, or biomass respectively. In the case of the latter, it can be synthesized from CO 2 (carbon dioxide) and hydrogen. [3] The vast majority of methanol produced globally is currently made with gas and coal. [4]