What is the working principle of a gasoline engine?
2 Answers
Gasoline engines work by burning fuel inside the cylinders to generate kinetic energy, which drives the pistons within the engine cylinders to move back and forth. This motion, in turn, drives the connecting rods attached to the pistons and the crankshaft connected to the rods, causing them to perform a reciprocating circular motion around the crankshaft center, thereby outputting power. Below are specific reasons for engine failures: 1. Irregular maintenance: Failures caused by poor engine maintenance. 2. Incomplete combustion: Oxygen sensors are designed and installed in engines to monitor the combustion state. If the combustion state is poor—for example, if the levels of hydrocarbon gases, carbon monoxide, or nitrogen oxides are too high—it not only pollutes the environment but also leads to fuel waste and excessive engine wear.
Hey, I've been driving for many years and have some insights into gasoline engines. It basically works in four steps: first, it sucks in a mixture of air and gasoline, with the piston moving downward; then, it compresses this mixture, with the piston pushing upward; next, the spark plug ignites the mixture, causing an explosion that drives the piston downward, providing power; finally, it expels the exhaust gases, with the piston pushing upward again. This entire process cycles continuously in each cylinder, propelling the car forward. I think the design is quite ingenious because it directly converts the energy from fuel to turn the wheels, unlike electric or hybrid systems, which are more complex. In daily use, keeping the engine clean is crucial, as carbon buildup can reduce efficiency. I've also found that regular oil changes and air filter replacements can extend its lifespan and reduce fuel consumption. Overall, it's the classic internal combustion engine approach—reliable but requires proper maintenance to run efficiently.