Real-time Capable Combustion Simulation of a Dual-fuel Engine for HiL Applications
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To address the challenges in combustion control of modern medium-speed dual-fuel engines, a real-time capable physical-principle based combustion model was developed at MAN Energy Solutions SE. The model was adjusted by means of modern methods of nonlinear programming and supports the functional development of ECU software through extensive testing and application via Hardware-in-the-Loop (HiL) testbeds.
Due to increasingly restrictive legislation, modern dual-fuel engines are becoming more and more important, especially in marine application to meet the IMO Tier III limits in coastal areas, without using complex exhaust gas aftertreatment systems. Compared to conventional combustion processes in diesel or gas engines, the characteristics of the dual-fuel process are not fully understood, and the increased degree of freedom leads to demanding application and testing efforts. To handle the resulting complexity for the development of engine control functions, it is essential...