To analyze the influence of the load characteristics of a certain gasoline engine at different speeds on the power,torque and fuel consumption rate of this gasoline engine,and to further enhance the function of the engine,a simulation model of this gasoline engine was established using GT-Power software in this article.And the engine was tested on the bench under the conditions of full load,and the results were compared with the simulation results of the engine simulation model built by GT-Power,and the comparison results indicate that the simulation values are more in line with the test values,which confirms the accuracy of the established model of the gasoline engine.In order to further analyze the load characteristics of the constructed gasoline engine model under different rotational speeds,the load characteristics of the engine were simulated by changing the throttle opening.Finally,the simulation values under different load conditions were analyzed and compared,and the numerical simulation method provides a reference for further optimizing the engine performance.
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