【摘要】 针对当前车辆燃油消耗量测量操作不便的问题，根据碳平衡法油耗测量原理，建立了采用流量计的碳平衡法汽油车油耗测量模型及测量系统，并在实车上进行了试验验证，结果表明：该方法具有较高的精度及稳定性，为车辆耗油量的不解体测量提供了理论依据及应用可能性。更多还原

【Abstract】 Aiming at the problem of unconvenient measurment of vehicle fuel comsumption and following the trend of disassemble test of vehicles, a measuring model of fuel consumption of a petrol engine was established and its test system was developed based on the carbon balance method in this paper. The effects of the density and hydrogen carbon ration of gasoline, the content of exhaust vapour, the system synchronism and the load of tests were investigated and analyzed as well. The tests were carried out in different type of vehicles. The modeling and test results by the model and the test system indicate that they have a good accuracy and stability under different velocities and types of vehicles, as well as a high value of application.更多还原