What is the normal engine load?
1 Answers
The normal ratio for engine load is between 20 and 50. Below is a related introduction to engine load: Definition: The engine load rate, often simply referred to as load, is the ratio of the maximum effective power the engine can produce at the same speed. Characteristics: Engines are divided into two main categories: gasoline engines and diesel engines. Gasoline engines rely on throttle to regulate load, so the load characteristic of a gasoline engine is also called throttle characteristic; diesel engines adjust load by changing the fuel injection quantity, altering the mixture composition through changes in fuel injection, hence the load characteristic of a diesel engine is also known as fuel adjustment characteristic. Since engine speed frequently changes, it is necessary to measure the load characteristics of the engine at different speeds to comprehensively evaluate the fuel economy of the engine under various speeds and loads. The measurement of engine load characteristics is conducted on a test bench. Taking a gasoline engine as an example, after starting the engine, the throttle is gradually opened to its maximum while adjusting the load to keep the engine running stably at a certain speed, measuring the engine's output power and fuel consumption under this condition. Then, the throttle is closed slightly, and the load is adjusted to maintain the engine speed unchanged for another measurement. This process is repeated until the engine can maintain stable operation at the smallest throttle opening, obtaining fuel consumption under different loads and speeds. The trend of engine load characteristic curves at different speeds is similar, with only specific numerical differences.
