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Experimental Research on Low Calorific Value Gas Blended with Hydrogen Engine


Experimental research on performance and emissions of engine fuelled with low calorific value gas blended with hydrogen was carried out, and indicated thermal efficiency, engine torque, indicator diagram, pressure rise rate, and emissions with different hydrogen ratios were also analyzed. Experimental results show that with the increase of hydrogen fraction and CNG fraction in mixtures, the indicated thermal efficiency increased. The engine power output is influenced by both low calorific value and hydrogen fractions. With the increase of hydrogen fraction in mixtures, HC emissions decrease, CO and NOx emissions increase. An engine operating on lean-burn low calorific value gas blended with hydrogen is favourable for getting lower emissions.


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