Working Cycle Simulation Of Marine Diesel Generator Engine

Based on the Thermodynamics, Gas Dynamics and Diesel Engine Fundamentals, this thesis makes the analyses and researches on the working cycle simulation of a (larger) modern marine medium-speed supercharged generating diesel engine. By the Law of Conversation of Energy, Conversation of Mass and the Classical Equations, math modeling of working cycle of marine generating diesel engine is reasonably built and calculated. The simulating results can analyze the performances and reliabilities of the diesel engine, and pave the way for researching the running characteristics and failing phenomena of the diesel engine. Furthermore, this thesis makes the analyses and researches on the transient performances of the diesel engine, and builds the math modeling of working cycle of modern marine medium-speed supercharged generating diesel engine YANMAR 6N18AL - EV in transient operation condition for load-transformation, and develops its simulating program in Visual Basic 6.0. The interface of program is friendly, and capable of displaying primary operation parameter with graphic chart. The simulating results are identical with the data obtained from the builder platform test, and this demonstrates the validity and practicability of the simulating program. The programs developed in this thesis may be applied to the matching, parameter-analysis, development-forecast of marine diesel generator, and can be used to the teaching and training for the trainees. Therefore, it is definitely valuable.