Abstract
ONE limitation on the maximum power developed by an internal-combustion engine is the volumetric efficiency, which is a function of so many variables that their interrelation is unfortunately not always understood. However, in a paper read before the Institution of Mechanical Engineers and entitled “The Influence of Valve Port Design on the Volumetric. Efficiency of the Compression-Ignition Engine”, Mr. C. B. Dicksee succeeds in explaining clearly how these factors affect volumetric efficiency, and discusses the results of experiments carried out to compare the pressure loss in various forms of venturi and straight-sided inlet ports.
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Valve Port Design of Compression-Ignition Engines. Nature 164, 349–350 (1949). https://doi.org/10.1038/164349a0
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DOI: https://doi.org/10.1038/164349a0