Theoretical Calculation and Experimental Research on Sequential Turbocharging of a Marine Diesel Engine
Peng Qi Zhang, Qing Lin He, Yin Yan Wang
Abstract
Peng Qi Zhang, Qing Lin He, Yin Yan Wang
Abstract
The paper introduces the working principle of the sequential turbo-charging (STC) system of multi-turbocharger. To improve low-load performance and operating economy of the 234V12 diesel engine, a STC system of multi-turbocharger for the diesel engine was designed. Theoretical calculation and experimental research was done on this improved marine diesel engine. Then, a 3-phase STC system is presented by analyzing and comparing the test result and the switching boundary of this system is confirmed. The test results show that the low-load performance is improved obviously by use of multi-turbocharger STC system.
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The paper introduces the working principle of the sequential turbo-charging (STC) system of multi-turbocharger. To improve low-load performance and operating economy of the 234V12 diesel engine, a STC system of multi-turbocharger for the diesel engine was designed. Theoretical calculation and experimental research was done on this improved marine diesel engine. Then, a 3-phase STC system is presented by analyzing and comparing the test result and the switching boundary of this system is confirmed. The test results show that the low-load performance is improved obviously by use of multi-turbocharger STC system.
Key concepts: Turbocharger, Diesel engine, Automotive engineering, Turbo, Diesel fuel, Engineering, Experimental research, Mechanical engineering