Performance of a Diesel Engine Fueled by Rapeseed oil Blended with Oxygenated Organic Compounds

Yoshimoto, Yasufumi; Onodera, Masayuki

doi:10.4271/2002-01-2854

Cited by 44 publications

(18 citation statements)

References 25 publications

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“…An inherent drawback of biodiesel from plant sources is an observed increase in NOx [24]. A similar NOx increase has been reported for SVO blends with diesel [22,25].…”

Section: Reduction In Noxsupporting

confidence: 76%

Performance and Emission Characteristic of Distilled Technical Cashew Nut Shell Liquid Stabilized Triglyceride Biofuel

2015

IJEE

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“…An inherent drawback of biodiesel from plant sources is an observed increase in NOx [24]. A similar NOx increase has been reported for SVO blends with diesel [22,25].…”

Section: Reduction In Noxsupporting

confidence: 76%

Performance and Emission Characteristic of Distilled Technical Cashew Nut Shell Liquid Stabilized Triglyceride Biofuel

2015

IJEE

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“…e tests conducted using a single cylinder, DI Diesel engine operating at a constant speed of 1900 min -1 and fuelled with RO blended in various proportions with eight kinds of alcohols and alcohol-ethers showed similar brake speci c energy consumption (bsec) at heavy loads and higher by 2-5% bsec at low loads (Yoshimoto and Onodera 2002). However, the conducted research demonstrated that combustion stability with 9vol% of ethanol blended with RO deteriorated along with decreasing engine loads, and therefore the data was not obtained over the whole operating range.…”

Section: Test Results and Analysismentioning

confidence: 99%

“…One of the reasons leading to an unstable performance of the engine can be related to a poor miscibility of ethanol with RO (Yoshimoto and Onodera 2002). According to biodiesel test results summarised Lyotko et al (Льотко и др.…”

Section: Test Results and Analysismentioning

confidence: 99%

“…Nitrogen dioxide emissions produced from RO remain at a low level of 13 to 19 ppm, and therefore a big NO 2 increase in the case of fuelling the engine with blend ERO7.5 can be connected with a signi cant cooling e ect caused by the evaporation of ethanol with low cetane properties which may extend auto-ignition delay, stimulate mis ring cycles and lead to the poor burning of big fuel portions injected under heavy loads (Yoshimoto and Onodera 2002). Considering the behaviour of NO 2 emissions shows that the combustion of blend ERO7.5 is complicated and can be a ected by the emergence of cooler regions that are widespread across the combustion chamber and may quench ame retarding conversion back to NO (Heywood 1988).…”

Section: Test Results and Analysismentioning

confidence: 99%

“…It was determined (Yoshimoto and Onodera 2002) that smoke emission from the ether oxygenates blended in RO decreased linearly with an increase in the content of fuel bound oxygen. A signi cantly lower molecular weight of ethanol, in the order of 46 as compared to 885 for RO and the absence of sulphur contribute to the production of less soot PM and smoke under similar performance conditions.…”

Section: Gvidonas Labeckas 1 Stasys Slavinskasmentioning

confidence: 99%

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The Effect of Ethanol, Petrol and Rapeseed Oil Blends on Direct Injection Diesel Engine Performance and Exhaust Emissions

Labeckas¹,

Slavinskas²

2010

Transport

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The article deals with the testing results of a four stroke four cylinder, DI diesel engine operating on pure rapeseed oil (RO) and its 2.5vol%, 5vol% and 7.5vol% blends with ethanol (ERO) and petrol (PRO). The purpose of this study is to examine the effect of ethanol and petrol addition to RO on blend viscosity, percentage changes in brake mean effective pressure (bmep), brake specific fuel consumption (bsfc), the brake thermal efficiency (çe) of a diesel engine and its emission composition, including NO, NO2, NOX, CO, CO2, HC and the smoke opacity of exhausts. The addition of 2.5, 5 and 7.5vol% of ethanol and the same percentage of petrol into RO, at a temperature of 20 °C, diminish the viscosity of the blends by 9.2%, 21.3%, 28.3% and 14.1%, 24.8%, 31.7% respectively. Heating biofuels up to a temperature of 60 °C, diminishes the kinematic viscosity of RO, blends ERO2.5–7.5 and PRO2.5–7.5 4.2, 3.9–3.8 and 3.9–3.7 times accordingly. At a speed of 1400–1800 min‐1, bmep higher by 1.3% if compared with that of RO (0.772–0.770 MPa) ensures blend PRO2.5, whereas at a rated speed of 2200 min‐1 , bmep higher by 5.6–2.7% can be obtained when fuelling the loaded engine, ë = 1.6, with both PRO2.5–5 blends. The bsfc of the engine operating on blend PRO2.5 at maximum torque and rated power is respectively 3.0% and 5.5% lower. The highest brake thermal efficiency at maximum torque (0.400) and rated power (0.415) compared to that of RO (0.394) also suggests blend PRO2.5. The largest increase in NOXemissions making 1907 ppm (24.8%) and 1811 ppm (19.6%) compared to that of RO was measured from a more calorific blend PRO7.5 (9.99% oxygen) at low (1400 min‐1) and rated (2200 min‐1) speeds. The emission of carbon monoxide from blends ERO2.5–5 throughout the whole speed range runs lower from 6.1% to 32.9% and the smoke opacity of the fully loaded engine changes from 5.1% which is a higher to 46.4% which is a lower level if compared to the corresponding data obtained using pure RO. The CO2 emissions of carbon monoxide and the temperature of the exhausts generated by the engine running at a speed of 2200 min‐1 diminish from 7.8 vol% to 6.3vol% and from 500 °C to 465 °C due to the addition of 7.5vol% of ethanol to RO.

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Ethanol

Ghosh

Prelas

2011

Energy Resources and Systems

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Performance of a Diesel Engine Fueled by Rapeseed oil Blended with Oxygenated Organic Compounds

Cited by 44 publications

References 25 publications

Performance and Emission Characteristic of Distilled Technical Cashew Nut Shell Liquid Stabilized Triglyceride Biofuel

Performance and Emission Characteristic of Distilled Technical Cashew Nut Shell Liquid Stabilized Triglyceride Biofuel

The Effect of Ethanol, Petrol and Rapeseed Oil Blends on Direct Injection Diesel Engine Performance and Exhaust Emissions

Ethanol

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