2011
DOI: 10.1016/j.ijhydene.2011.05.018
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Performance and emission characteristics of a SI engine fueled by low calorific biogas blended with hydrogen

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Cited by 89 publications
(34 citation statements)
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“…The NO x emissions decreased with increasing relative air/fuel ratio because the heat capacity of the mixture increased. Predicted NO x have similar trends from other experimental researches [7,11,18,20,28].…”
Section: Effect Of the Biogas Composition On Performance And No X Emisupporting
confidence: 80%
See 1 more Smart Citation
“…The NO x emissions decreased with increasing relative air/fuel ratio because the heat capacity of the mixture increased. Predicted NO x have similar trends from other experimental researches [7,11,18,20,28].…”
Section: Effect Of the Biogas Composition On Performance And No X Emisupporting
confidence: 80%
“…Porpatham et al [17] reported that adding H 2 to the biogas used in a spark ignition engine at constant speed at different equivalence ratios improves the brake thermal efficiency and the brake power, and achieves significant reductions in the amount of unburnt hydrocarbons. Park et al [18] studied the effects of adding H 2 on the behavior of an engine with various excess air ratios and CH 4 concentrations in the biogas. They found that adding H 2 improved the inecylinder combustion characteristics and extended the LO while reducing the hydrocarbon emissions.…”
Section: Introductionmentioning
confidence: 99%
“…As an advantageous energy source, biogas is widely considered as a suitable fuel for heating facilities, power generation, and vehicles [8][9][10][11][12][13][14][15]. However, biogas possesses a relatively lower heating value (about 3000-6000 kcal·m −3 ) and lower heat release rate than conventional fuels, which limits the application of biogas in combustion devices.…”
Section: Introductionmentioning
confidence: 99%
“…(Ma et al, 2010;Çeper, 2012;Liu et al, 2013 (Karim et al, 1996;Park et al, 2011;Liu et al, 2013 Parâmetro que determina a taxa de expansão da frente de chama em uma reação de combustão. O aumento da velocidade de chama propicia maiores taxas de liberação de calor, fato que aumenta a eficiência térmica da combustão (Porpatham et al, 2008).…”
Section: Biorrefinarias: Conceitos E Potencialidades Da Biodigestão Aunclassified
“…Legenda: cenários energéticos (CE-1 -CE-5); acionadores primários (MCI = motor de combustão interna; TBG = turbina a gás; CC = ciclo combinado). Conforme abordado na seção 3.3.1, p. 81, a mistura do hidrogênio ao metano, seja este proveniente do gás natural ou biogás, propicia uma série de vantagens ao processo de combustão, decorrentes do aumento da faixa de inflamabilidade e da velocidade de chama do metano, bem como da redução de sua temperatura de ignição (Karim et al, 1996;Park et al, 2011;Liu et al, 2013). Tais características propiciam uma queima mais eficiente do combustível primário (CH 4 ), reduzindo perdas de calor para vizinhança, sobretudo em motores.…”
Section: Distribuição Taxonômica De Bactérias E Arqueias Em Nível De unclassified