Two-stroke Dual-fuel Technology Evaluation
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Anticipating demand for low speed two-stroke dual-fuel marine engines running on LNG, Winterthur Gas & Diesel undertook a detailed evaluation of the available options. These are two-stroke gas engines operating on the Otto Cycle with low pressure gas admission or on the Diesel Cycle with high pressure gas injection.
In a thorough analysis of the benefits of high pressure gas injection and low pressure gas admission on two-stroke dual-fuel (DF) engines, assumptions were based extensively on data acquired in successful tests conducted by the predecessors of Winterthur Gas and Diesel (WinGD) on both two and four-stroke DF engines with high pressure gas injection technology. It is noteworthy that the results of that research and development from the mid 1980s aligns well with the technology of low speed engines with high pressure gas injection now reaching the market, especially in terms of gas compression requirements and the parameters for the proportions of liquid and gaseous...