Experimental database for a cogeneration gas engine efficiency prediction
Résumé
A total of 115 operating test points have been investigated on a cogeneration industrial 200 kW, gas engine at Ecole des Mines de Nantes, with load varying between 50 and 100 per cent, spark advance between 8 degrees and 20 degrees crank angle and air excess in the range 1.3-1.7. The analysis provides st mathematical correlation giving the influence of load variation and other parameters on the thermal power, the natural gas inlet power, the electrical efficiency and the global efficiency with an accuracy better than 2 per cent.