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本文介绍日本三菱重工公司开发的装有可调喷嘴的大型径流式 MET—SR—VG 型涡轮增压器的结构特点、两年来的运用效果以及与涡轮复合系统匹配的研究结果;指出了采用可调喷嘴可克服传统的轴流式增压器在低负荷时的性能缺陷;同时还介绍了样机增压器的空气动力学性能与涡轮受力分布情况以及可调与不可调喷嘴的增压器配套性能的比较。
This paper introduces the structural characteristics of large-scale radial flow MET-SR-VG turbocharger with adjustable nozzle developed by Japan’s Mitsubishi Heavy Industries Co., Ltd., the application effect in two years and the research results matching the turbine compound system. Adjusting the nozzle can overcome the traditional axial turbocharger at low load performance defects; also introduced the prototype turbocharger aerodynamic performance and turbine stress distribution and adjustable and non-adjustable nozzle turbocharger Comparison of supporting performance.