本文对增压发动机在高原所存在的一些问题做了分析,提出用中冷和进气谐振的方法解决。试验取得了令人满意的结果。机械负荷和热负荷在3070m的高海拔下,恢复或接近平原非增压的水平,扭矩贮备系数由1.24提高到1.27,最大扭矩所对应的转速和原机相仿,低速油耗率得到改善。经1000h耐久试验证明上述措施是成功的。 In this paper, some problems of turbocharged engine on the plateau are analyzed, and the solution to the problem of intercooler and intake air resonance is proposed. The test achieved satisfactory results. Mechanical load and thermal load at 3070m high altitude, recovery or near the plain non-supercharged level, the torque reserve factor increased from 1.24 to 1.27, the maximum torque corresponding to the original speed and speed, low-speed fuel consumption rate is improved. After 1000h durability test proved that the above measures are successful.