在可调喷嘴涡轮的设计思路的基础上,对喷嘴在大开度、中间开度和小开度3种状态下的气动参数、几何参数和叶型进行设计计算,对设计好的增压器进行试验研究,与原型增压器的柴油机相比得出该增压器使原型柴油机的性能大幅度提高,并解决了发动机高速运转时增压过度且低速时动力不足的问题。 Based on the design idea of ​​the adjustable nozzle turbine, the aerodynamic parameter, geometric parameter and blade shape of the nozzle under three states of large opening, middle opening and small opening are designed and calculated. The designed supercharger The experimental study shows that the turbocharger enhances the performance of the prototype diesel engine compared with that of the prototype turbocharger and solves the problem of excessively boosting the engine at high speed and low power at low speed.