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SOME ERRORS OF GAS ENGINE INDICATION
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2001
Year
Cylinder PressureError AnalysisEnginecycle Indicated ParametersMeasurementCalibrationDiagnosisGas Turbine CombustionEducationIn-cylinder FlowCombustion EngineeringInstrumentationGas Turbine EngineFuel InjectionError CorrectionDigital Recording
The paper presents the effect ofthe accuracy of digital recording of indicated pressure varia tion on the results ofthe analysis of enginecycle indicated parameters, and particularly on the accuracy of calculation of indicated work, the heat release process, combustion angles, and working medium temperature in the combustion-gas zone and in the non-combusted charge zone. The analysis allows for the effect of sampling density, the effect of the accuracy of IDC (Inner Dead Centre) angle deter mination, the effect of NC converter resolution and the accuracy of determination of engine compres sion ratio and cylinder pressure corresponding to the ambient pressure. The parameters ofa system for recordinghigh voltage variations in the ignitionsystem have also been established.