2022
DOI: 10.1016/j.fuel.2022.124048
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Experimental investigation on effects of equivalence ratio on combustion with knock, performance, and emission characteristics of dimethyl ether fueled CRDI compression ignition engine under homogeneous charge compression ignition mode

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Cited by 14 publications
(8 citation statements)
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“…With the same operating condition, the exergy depletion factor is reduced up to 10.44%, the entropy generation rate is reduced from 0.019 kW K −1 to 0.013 kW K −1 , whereas the sustainability index increased from 1.335 to 1.501. (6) The efficacy of the acetylene premix ratio is best observed with a simultaneous decrease in NO X , CO, CO 2 , SO 2 and smoke opacity by 19.88%, 36.93%, 42.16%, 43.92 and 36.93% respectively at 3 kW load and 40% acetylene premix ratio. All the above-mentioned pollutants continued to decrease with a further increase in the premix ratio.…”
Section: Discussionmentioning
confidence: 98%
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“…With the same operating condition, the exergy depletion factor is reduced up to 10.44%, the entropy generation rate is reduced from 0.019 kW K −1 to 0.013 kW K −1 , whereas the sustainability index increased from 1.335 to 1.501. (6) The efficacy of the acetylene premix ratio is best observed with a simultaneous decrease in NO X , CO, CO 2 , SO 2 and smoke opacity by 19.88%, 36.93%, 42.16%, 43.92 and 36.93% respectively at 3 kW load and 40% acetylene premix ratio. All the above-mentioned pollutants continued to decrease with a further increase in the premix ratio.…”
Section: Discussionmentioning
confidence: 98%
“…5 However, it also has its share of drawbacks, as control over the injection paradigm through a CRDI system also has limits and constraints. 6 The addition of appropriate additives during fuel blending has been found to have a marginal impact on improving both engine performance and emission levels. 7,8 On the other hand, it has been also observed that the utilization of liquid-liquid or liquid-gas dual fuel operations is not signicantly effective in simultaneously enhancing engine performance and reducing emissions.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, lowering the intake temperature is inevitable to delay the start of combustion. 161 However, it cannot be reduced to an extent where the engine misfires. Gray et al 116 varied the intake charge temperature between 130 and 205 °C and achieved controlled HCCI combustion.…”
Section: Strategies To Control the Combustion Phasing 3511 Engine Des...mentioning
confidence: 99%
“…Với phương pháp tự cháy bằng nén hỗn hợp đồng nhất, thành phần phát thải dạng hạt (PM) và NOx giảm khá mạnh, khi hỗn hợp nhiên liệu -không khí được hòa trộn đồng nhất với tỷ lệ hòa khí nhạt, và sau đó quá trình cháy với nhiệt độ cháy thấp [9,10]. Tuy nhiên, khả năng kiểm soát quá trình cháy khó khăn [11] và tốc độ tăng áp suất quá cao ở chế độ tải lớn [12]. Phương pháp cháy bằng nén với hòa khí hòa trộn trước một phần PPC được đề xuất để khắc phục các hạn chế của HCCI, đặc biệt PPC với nhiên liệu xăng có tính chống tự cháy cao [13,14].…”
Section: đặT Vấn đềunclassified