Forklift Engine - An engine, likewise called a motor, is an apparatus that transforms energy into functional mechanical motion. Motors which convert heat energy into motion are called engines. Engines come in many kinds like for example external and internal combustion. An internal combustion engine typically burns a fuel together with air and the resulting hot gases are utilized for creating power. Steam engines are an example of external combustion engines. They utilize heat so as to produce motion together with a separate working fluid.
The electric motor takes electrical energy and generates mechanical motion via different electromagnetic fields. This is a typical type of motor. Some types of motors are driven through non-combustive chemical reactions, other types can make use of springs and function through elastic energy. Pneumatic motors function by compressed air. There are other designs based upon the application required.
ICEs or Internal combustion engines
An internal combustion engine occurs whenever the combustion of fuel combines with an oxidizer in a combustion chamber. In an internal combustion engine, the expansion of high pressure gases combined together with high temperatures results in applying direct force to some engine components, for instance, turbine blades, nozzles or pistons. This force produces functional mechanical energy by means of moving the part over a distance. Usually, an internal combustion engine has intermittent combustion as seen in the popular 2- and 4-stroke piston motors and the Wankel rotating motor. Most gas turbines, rocket engines and jet engines fall into a second class of internal combustion motors called continuous combustion, that takes place on the same previous principal described.
External combustion engines like for instance Stirling or steam engines differ very much from internal combustion engines. External combustion engines, where the energy is delivered to a working fluid like for instance hot water, pressurized water, and liquid sodium or air that are heated in some type of boiler. The working fluid is not mixed with, comprising or contaminated by combustion products.
The models of ICEs on the market today come with various weaknesses and strengths. An internal combustion engine powered by an energy dense fuel would deliver efficient power-to-weight ratio. Although ICEs have succeeded in a lot of stationary applications, their real strength lies in mobile applications. Internal combustion engines control the power supply used for vehicles like for instance boats, aircrafts and cars. A few hand-held power tools make use of either ICE or battery power devices.
External combustion engines
In the external combustion engine is made up of a heat engine working utilizing a working fluid like for example gas or steam that is heated through an external source. The combustion would take place through the engine wall or via a heat exchanger. The fluid expands and acts upon the engine mechanism which generates motion. Then, the fluid is cooled, and either compressed and used again or discarded, and cool fluid is pulled in.
The act of burning fuel together with an oxidizer so as to supply heat is called "combustion." External thermal engines may be of similar use and configuration but utilize a heat supply from sources like for example nuclear, exothermic, geothermal or solar reactions not involving combustion.
The working fluid could be of whichever composition. Gas is actually the most common kind of working fluid, yet single-phase liquid is occasionally utilized. In Organic Rankine Cycle or in the case of the steam engine, the working fluid varies phases between liquid and gas.
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