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Thread: Engine in-cylinder pressure validation

  1. #1
    Associate Engineer
    Join Date
    May 2016

    Engine in-cylinder pressure validation

    Hi all,
    Iím currently investigating the engine in-cylinder pressure by simulation and experimental method. All inputs parameters in the simulation were exactly follow the engine technical specification (engine geometry, compression ratio, fuel injection parameters, initial pressure and temperature etc.) When both data were plotted, they are significantly different (please refer to the attached picture). Based on my literature study, most of the pressure vs crank angle graph are almost similar to my simulation result. So any idea why this is happen? Or at least what else parameters need to consider in order to validate these two results?

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