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Electromechanics and mechanical engineering

Research of heat generation indicators of gas engines

Authors:
O. N. Didmanidze1
A. S. Afanas'ev2
R. T. Khakimov3
  • 1 — Russian State Agrarian University K.A.Timiryazev
  • 2 — Saint-Petersburg Mining University
  • 3 — Saint-Petersburg State Agrarian University
Date submitted:
2018-02-27
Date published:
2018-02-25

Abstract

A comprehensive strategy for reviving the production of mining industry equipment and ensuring its competitiveness includes the wide use of gas engines for various purposes. Experimental studies of the working cycle of a gas engine are one of the main tasks in determining the heat generation characteristics. To this end, indicator charts were recorded in various modes, which were subjected to analysis in order to determine the key parameters characterizing intra-cylinder processes. According to the experimental program, the maximum cycle pressure, the rate of pressure build-up, the heat generation characteristic, the first heat generation phase, the duration of the second combustion phase, and the effect of the ignition advance angle for the ignition period were determined. The results of an experimental study of the influence of gas engine working process with allowance for the change in the ignition advance angle for the ignition period are described and the parameters of the maximum cycle pressure, the rate of pressure build-up, and the heat generation characteristics are determined. In the processing of data, integral charts are constructed, the working cycle parameters are calculated, and the dynamics of the engine heat generation is determined. 

10.25515/pmi.2018.1.50
Go to volume 229

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