The power produced by the Otto cycle is an energy developed per unit of time. The Otto engines are called four-stroke engines. The intake stroke and compression stroke require one rotation of the engine crankshaft. The power stroke and exhaust stroke require another rotation. For two rotations there is one work generating stroke..

The four strokes of the cycle are intake, compression, power, and exhaust. Each corresponds to one full stroke of the piston; therefore, the complete cycle requires two revolutions of the crankshaft to complete.

Intake stroke : This is the first stroke of the cycle. Initially, the intake valve opens and the piston is at the top of the cylinder. The piston subsequently slides down the cylinder to create a...

2021年5月13日 · The area enclosed by the cycle on a p-V diagram is proportional to the work produced by the cycle. On this page we have shown an ideal Otto cycle in which there is no heat entering (or leaving) the gas during the compression and power strokes, no friction losses, and instantaneous burning occurring at constant volume.

2024年10月30日 · Discover how four-stroke engines work in automotive and power applications, covering the Otto and Diesel cycles, intake, compression, power, and exhaust strokes. Learn the basics of internal combustion and how engines convert fuel to mechanical energy efficiently.

The idea behind the Otto cycle is simple, it uses a four stroke cycle to convert the energy available from the combustion of a gas into rotational mechanical energy, or power. Below we will further discuss the mechanics of how this is actually possible in real life and more about the theory of the Otto cycle.

2023年7月28日 · Intake stroke: Air-gas mixture is drawn into the engine at constant pressure. 1 → 2. Compression stroke: Adiabatic (isentropic) compression of the gas, resulting in increased temperature and pressure. 2 → 3

2024年11月14日 · The Otto cycle is an ideal thermodynamic cycle that requires 4-strokes with a piston: Intake, Compression, Ignition, and Exhaust. The fuel and air mixture is compressed, an electric spark ignites it, the sudden expansion pushes the piston producing a power stroke, and the spring action of the piston pushed the combusted gas away.

The ideal Otto cycle is based on the following assumptions: Closed cycle. The largest difference between the two diagrams is the simplification of the intake and exhaust strokes in the ideal cycle. In the exhaust stroke, heat Q out is ejected into the environment. In a real engine, the gas leaves the engine and is replaced by a new mixture of ...

It describes the basic working steps in a gasoline engine. The slight modification which depicts a more realistic situation of the Otto Cycle's PV diagram for a two stroke and four stroke...