Engine for Forklifts - Also referred to as a motor, the engine is a device which can transform energy into a useful mechanical motion. Whenever a motor transforms heat energy into motion it is normally referred to as an engine. The engine can be available in several types like the external and internal combustion engine. An internal combustion engine usually burns a fuel making use of air and the resulting hot gases are used for creating power. Steam engines are an illustration of external combustion engines. They utilize heat in order to generate motion together with a separate working fluid.
The electric motor takes electrical energy and generates mechanical motion through varying electromagnetic fields. This is a typical kind of motor. Several types of motors function by non-combustive chemical reactions, other types can use springs and be driven through elastic energy. Pneumatic motors are driven by compressed air. There are other designs depending upon the application required.
ICEs or Internal combustion engines
An ICE occurs whenever the combustion of fuel mixes together with an oxidizer inside a combustion chamber. Inside an internal combustion engine, the increase of high pressure gases mixed along with high temperatures results in applying direct force to some engine components, for example, pistons, turbine blades or nozzles. This particular force produces useful mechanical energy by moving the part over a distance. Typically, an internal combustion engine has intermittent combustion as seen in the popular 2- and 4-stroke piston engines and the Wankel rotary motor. Most jet engines, gas turbines and rocket engines fall into a second class of internal combustion motors referred to as continuous combustion, which takes place on the same previous principal described.
External combustion engines such as steam or Sterling engines differ significantly from internal combustion engines. External combustion engines, wherein the energy is delivered to a working fluid such as pressurized water, liquid sodium and hot water or air that are heated in some kind of boiler. The working fluid is not combined with, consisting of or contaminated by burning products.
Various designs of ICEs have been developed and are now available along with various strengths and weaknesses. When powered by an energy dense fuel, the internal combustion engine provides an efficient power-to-weight ratio. Though ICEs have been successful in a lot of stationary utilization, their real strength lies in mobile applications. Internal combustion engines dominate the power supply used for vehicles like for example aircraft, cars, and boats. Several hand-held power equipments use either ICE or battery power gadgets.
External combustion engines
An external combustion engine utilizes a heat engine wherein a working fluid, like for instance steam in steam engine or gas in a Stirling engine, is heated through combustion of an external source. This particular combustion takes place through a heat exchanger or via the engine wall. The fluid expands and acts upon the engine mechanism that produces motion. Afterwards, the fluid is cooled, and either compressed and reused or thrown, and cool fluid is pulled in.
Burning fuel utilizing the aid of an oxidizer to supply the heat is referred to as "combustion." External thermal engines may be of similar application and configuration but utilize a heat supply from sources like for instance solar, nuclear, exothermic or geothermal reactions not involving combustion.
Working fluid could be of whatever composition, though gas is the most common working fluid. Every so often a single-phase liquid is sometimes utilized. In Organic Rankine Cycle or in the case of the steam engine, the working fluid changes phases between gas and liquid.
Click to Download the pdf