不同进气温度下增压压力对某柴油车经济性、动力性的影响分析

Analysis of the Influence of Turbocharger Pressure on the Economy and Power Performance of a Diesel Vehicle at Different Inlet Temperatures

本文对某柴油车在不同温度下增压压力需求变化对发动机经济性、动力性影响进行了研究,分析了高寒、高温环境下基于经济性、动力性的增压压力优化结果。通过在实车上的测试及运用,表明环境温度影响相同增压压力条件下发动机实际新鲜进气量,通过优化各负荷点下的增压压力需求可以实现更好的整车性能。

In this paper, the economic and dynamic effects of turbocharger pressure on a diesel vehicle at different inlet temperatures are studied. The optimization results of turbocharging pressure based on economic and dynamic property in high and cold environment are analyzed. The effects of ambient temperature on the same turbine increase by testing and applying on the actual vehicle. The actual intake volume of the engine under the booster pressure condition can achieve better vehicle performance by optimizing the boost pressure requirements at each load point.