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Engine net power Introduction Engine is Bingo Plusone of the indispensable and important equipment in modern mechanized society. It is an important subordinate part of the power drive of vehicles, ships, machines, industry, aviation, aerospace and other fields. Engine net power is a description of engine output power and one of the important parameters to measure engine performance indicators. This article will introduce the net power of the engine in detail. I. Definition of engine net power Engine net power refers to the effective power output by the engine, that is, the actual power transmitted by the engine to the external load during operation.Net power is generally measured when the engine speed is constant, in kilowatts (kW), often referred to as "power". Because there will be losses when the engine is running, the net power of the engine is often smaller than the rated power. II. The calculation method of engine net power The calculation method of engine net power is divided into the following two types: 1. Test platform method: that is, the output power of the engine is measured by conducting experiments on the test bench. This method can provide more accurate data. Two. Calculation method: that is, the output power of the engine is obtained through the theoretical calculation of the engine. This method needs to set different coefficients according to the actual situation for calculation, and the accuracy is low. III. Factors affecting the net power of the engine The net power of the engine is affected by many factors, mainly including the following aspects: 1. The advantages and disadvantages of the structure and design of the engine itself.Two. The stability and quality of fuel. 3. The stability and quality of the air. Four. The quality and ratio of lubricating oil and coolant. 5. External environmental factors, such as temperature, humidity, altitude, etc. IV. The importance of engine net power. Engine net power is one of the important parameters to measure engine performance, which is of great significance to the design and application of the engine. For a car, the net power of the engine determines the speed and load capacity of the car. For ships and aircraft, the net power of the engine is directly related to the carrying capacity and speed. In addition, the country has clear regulations on the net power of the engine. Engines that meet the standards will be certified accordingly and can be widely used in the market. V. Conclusion The net power of the engine is an important indicator to measure the performance of the engine, which can reflect the output capacity of the engine.The calculation method, influencing factors and importance of engine net power need to be paid attention to in practical application. With the development of science and technology and the continuous upgrading of application, the net power of the engine will be developed and improved more in the future.

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