Assessing the potential of ethanol in the transition of biodiesel combustion to RCCI regimes under varying injection phasing strategies: A performance-emission-stability and tribological perspective

Biswas, Srijit; Kakati, D.; Chakraborti, Prasun; Banerjee, Rahul

doi:10.1016/j.fuel.2021.121346

Cited by 23 publications

(13 citation statements)

References 33 publications

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“…Where, e x = element x's emitting value ({g/h}). In the research of Mohan et al 40 C1 and C2 were constants that were taken into account, m x is the exhaust gas 39 mass flow rate derived by conservation of mass theory as described below in equation (2).…”

Section: Methodsmentioning

confidence: 99%

“…Furthermore, because of their versatility and cheap production costs, alternative fuels in CI engines are favored due to limited fossil fuel reserves and costly crude oil production. Alternative fuels like methanol, 1 ethanol, 2 H 2 , 3 CNG, 4 LPG generated domestically which may help the country’s energy security and economic growth by reducing its reliance on foreign fuel suppliers. Pursuing higher performance, better combustion, stability, and simultaneous emission reduction according to continually revised emission limits for a diesel engine has piqued researchers’ attention.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, CNG and ethanol both have a lower adiabatic flame temperature 9 which pertains to a lower NO X footprint when compared to baseline diesel at the same combustion rate. 10 Implementation of CNG 4 and ethanol 2 as secondary fuels has shown a simultaneous reduction in NO X and PM emissions. 11 As detailed in Table 1, the following literature has demonstrated different combustion analyses of the diesel engine with different injection phasing and reactivity phasing strategies.…”

Section: Introductionmentioning

confidence: 99%

“…Implementation of CNG4 and ethanol2 as secondary fuels has shown a simultaneous reduction in NO X and PM emissions 11. As detailed in Table1, the following literature has demonstrated different combustion analyses of the diesel engine with different injection phasing and reactivity phasing strategies.The blank cells of the literature survey in Table…”

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confidence: 99%

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The transition from conventional biodiesel combustion to RCCI with CNG/ethanol induction in CI engine: A comparative combustion analysis and relative effects on performance-emissions

Biswas

Sengupta

Kakati

et al. 2022

International Journal of Engine Research

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Concerning the national biofuel policies in India, increasing plant-based fuels and lowering the use of fossil diesel in CI engines reduces the burden on foreign exchange and carbon footprints in the environment, which helps achieve “net-zero carbons emissions.” In this present study, Mahua biodiesel (BD) was used here as an ignition energy source, and CNG/ethanol (Et) was used here as the primary energy source replacing the biodiesel with a significant energy share during the combustion process. The effects of various injection and reactivity phasing strategies on a diesel engine’s combustion characteristics has been evaluated here. However, effect of this combustion characteristics on the corresponding performance and emission has also been evaluated here. This study revealed the ignition delay (ID) and combustion duration (CD) trade-off for almost every combustion phase achieved here during the testing. This analysis also incorporates the widespread effect of combustion characteristics on the performance and emission behavior of the diesel engine for both types of fuel combinations, that is, CNG + BD and Et + BD operation. For example, the lowest ID for CNG enriched combustion was 26.62% greater than ethanol enriched combustion, signifying that the ethanol delayed the start of ignition at polit-main angle of 35°-05° CA. Hence, NHC, PM, and CO2 emissions registered a lower footprint for CNG-BD operation, while ethanol-BD mode reported lower CO emission. However, ethanol-enriched combustion registered a 31.25% higher maximum CD than CNG-coupled operation, signifying a more extended period of energy release. CNG-BD operation also observed lower NHC, CO, and CO2 footprint corresponding to maximum combustion duration, and ethanol-BD mode reported lower PM emission.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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The transition from conventional biodiesel combustion to RCCI with CNG/ethanol induction in CI engine: A comparative combustion analysis and relative effects on performance-emissions

Biswas

Sengupta

Kakati

et al. 2022

International Journal of Engine Research

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“…Several researchers have tested diesel motors, including [2] using a diesel-jatropha fuel mixture to analyze the effect of the composition of the fuel mixture on motor per-formance and exhaust emissions. The motor has a single cy linder, 4 cycles, with a maximum energy output of 4.4 kW at 2,600 rpm.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the effect of diesel-essential oil fuel mixture on the performance, noise, vibration of diesel engines

Susilo

Listiyono

Khambali

2022

EEJET

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The increasing demand for diesel fuel causes high levels of air pollution, noise, and vibration. Therefore, we need a mixture of materials that can reduce the environmental effect with low vibration. The purpose of this study was to investigate the effect of a diesel-essential oil mixture on a diesel engine, related to engine performance, noise, and vibration. The research was conducted using a 402 CC Dongfeng diesel engine, a mixture of diesel and essential oils with a percentage of 5 %, 10 %, 15 %, 20 %, engine speed of 1,300 rpm, 1,500 rpm, 1,700 rpm, 1,900 rpm. The noise intensity test uses a sound level meter at 30–130 dBA with a frequency between 20–20,000 Hz. To test the density of smoke, a smoke tester was used. Meanwhile, to measure the rotational speed of the engine, a DT 2234L type tachometer was used. A digital stopwatch was used to measure the processing time with an accuracy of up to 0.01 s. Besides that, a strain gauge was also used to detect vibrations. A measuring cup was used to measure the volume of the mixture of fuel and essential oils. The results showed that in the B10 mixture at 1,300 rpm engine speed, the largest fuel consumption time was 155 s. While the smallest fuel consumption time is found at 1,900 engine speed, which is 106 s. The lowest percentage of exhaust emissions is in the B20 mixture, which is 56.8 %. While the largest percentage of exhaust emissions is in B0 with a value of 79.8 %. The lowest noise value is in the B10 mixture at 1,300 rpm engine speed, which is 105.7 dB. While the highest noise value is at 1,900 engine speed, which is 112.3 dB. The lowest vibration is in the B10 mixture with an engine speed of 1,300 rpm, which is 975.7 Hz. While the highest noise value is in the B10 mixture with 1,900 engine speed, which is 989.8 Hz.

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Spray characteristics of biofuels for advance combustion engines

Chaudhari

Kulkarni

Deshmukh

2021

Cleaner Engineering and Technology

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Assessing the potential of ethanol in the transition of biodiesel combustion to RCCI regimes under varying injection phasing strategies: A performance-emission-stability and tribological perspective

Cited by 23 publications

References 33 publications

The transition from conventional biodiesel combustion to RCCI with CNG/ethanol induction in CI engine: A comparative combustion analysis and relative effects on performance-emissions

The transition from conventional biodiesel combustion to RCCI with CNG/ethanol induction in CI engine: A comparative combustion analysis and relative effects on performance-emissions

Analysis of the effect of diesel-essential oil fuel mixture on the performance, noise, vibration of diesel engines

Spray characteristics of biofuels for advance combustion engines

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