An Investigation of Potential and Challenges with Higher Ethanol-gasoline Blend on a Single Cylinder Spark Ignition Research Engine

Kumar, Ajay; Khatri, Deepti; Babu, M. K. Gajendra

doi:10.4271/2009-01-0137

Cited by 20 publications

(22 citation statements)

References 5 publications

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“…As seen in Figure , the 0% to 5% mass burn duration was higher for E10 than gasoline due to its higher latent heat of evaporation. However, for E10, the 5% to 50% mass burn duration (Figure ) was shorter than gasoline due to the higher flame velocity of ethanol . This indicates slow initial burning of E10 than gasoline followed by faster heat release.…”

Section: Resultsmentioning

confidence: 95%

“…Fuel additives (n‐Butanol, methanol etc. ), continuous mixing, introducing the fuels at the point of fuelling or online blending can help make the blends stable . A circulating pump was used in the fuel tank to prevent phase separation in this work.…”

Section: Introductionmentioning

confidence: 99%

“…Fuel additives (n-Butanol, methanol etc. ), continuous mixing, introducing the fuels at the point of fuelling or online blending can help make the blends stable [9,13,14].…”

Section: Introductionmentioning

confidence: 99%

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Experimental study of hydrous ethanol gasoline blend (E10) in a four stroke port fuel-injected spark ignition engine

Venugopal

Sharma

Satapathy

et al. 2012

Int. J. Energy Res.

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SUMMARY Performance, emissions and combustion characteristics of a port‐injected engine fuelled with hydrous ethanol gasoline blend (E10 ‐ 10% of hydrous ethanol by volume in gasoline) were compared with gasoline operation. Hydrous ethanol blend produced higher power output with lean mixtures at part throttle condition. Higher flame velocity and wider flammability limits of the blend resulted in lower cycle‐by‐cycle variations in indicated mean effective pressure as compared to gasoline. Hydro carbon emission was also lower due to the oxygen available in the fuel (E10), which enhanced the combustion rate. Higher latent heat of evaporation of the ethanol blend and water present in it resulted in lower in‐cylinder temperature, which in turn led to lesser NOx emissions. Thermal efficiency with the blend was higher in the leaner operating conditions than gasoline. Not much difference in performance, emission and combustion characteristics between neat gasoline and E10 were observed at full throttle operation. On the whole, hydrous ethanol blends can be used as a fuel with good performance and low emissions at part load condition. Copyright © 2012 John Wiley & Sons, Ltd.

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Section: Resultsmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

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Experimental study of hydrous ethanol gasoline blend (E10) in a four stroke port fuel-injected spark ignition engine

Venugopal

Sharma

Satapathy

et al. 2012

Int. J. Energy Res.

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“…An online fuel blending system was developed by using separate tanks for ethanol and gasoline and a stepper motor based control valve with a mixing chamber. Performance and emission characteristics with E70 (70% ethanol in gasoline) were observed to be better than gasoline and E10 [8].…”

mentioning

confidence: 94%

Influence of the Compression Ratio and Duration Injection on Performance and Emission of Sinjai Engine Type Flexible Fuel Engine 150 cc Fueled Bioethanol E70

Hasan

Sudarmanta

Paloboran

2017

IJOE

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AbstractIn this study, the effects of using gasoline (E0) and gasoline-ethanol blends E70 on engine performance and exhaust emissions have been experimentally investigated. The investigation was conducted on a single-cylinder, four-stroke, spark ignition engine. The experiments were performed by varying the compression ratio and duration injection (100%, 125%, 150%, 175% and 200%) at a speed of 2000 up to 8000 rpm at full open throttle. The experimental results showed that blending gasoline with ethanol slightly increased the torque and decreased Carbon Monoxide (CO) and hydrocarbon (HC) emissions. It was also found that blending with ethanol allows increasing the compression ratio without knock occurrence.

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“…ETBE reduced the phase separation temperature of the ethanol-gasoline blends. Fuel additives like methanol and n-butanol can help make the blends stable [56,57]. Ye et al [58] studied the stability of an E10 hydrous ethanol-gasoline blend (5% water content in ethanol) by using emulsification technology.…”

Section: Stability Of Ethanol-gasoline-water Blendsmentioning

confidence: 99%

Spark Ignition Engine Combustion, Performance and Emission Products from Hydrous Ethanol and Its Blends with Gasoline

et al. 2016

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This paper reviews the serviceability of hydrous ethanol as a clean, cheap and green renewable substitute fuel for spark ignition engines and discusses the comparative chemical and physical properties of hydrous ethanol and gasoline fuels. The significant differences in the properties of hydrous ethanol and gasoline fuels are sufficient to create a significant change during the combustion phase of engine operation and consequently affect the performance of spark-ignition (SI) engines. The stability of ethanol-gasoline-water blends is also discussed. Furthermore, the effects of hydrous ethanol, and its blends with gasoline fuel on SI engine combustion characteristics, cycle-to-cycle variations, engine performance parameters, and emission characteristics have been highlighted. Higher water solubility in ethanol-gasoline blends may be obviously useful and suitable; nevertheless, the continuous ability of water to remain soluble in the blend is significantly affected by temperature. Nearly all published engine experimental results showed a significant improvement in combustion characteristics and enhanced engine performance for the use of hydrous ethanol as fuel. Moreover, carbon monoxide and oxides of nitrogen emissions were also significantly decreased. It is also worth pointing out that unburned hydrocarbon and carbon dioxide emissions were also reduced for the use of hydrous ethanol. However, unregulated emissions such as acetaldehyde and formaldehyde were significantly increased.

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An Investigation of Potential and Challenges with Higher Ethanol-gasoline Blend on a Single Cylinder Spark Ignition Research Engine

Cited by 20 publications

References 5 publications

Experimental study of hydrous ethanol gasoline blend (E10) in a four stroke port fuel-injected spark ignition engine

Experimental study of hydrous ethanol gasoline blend (E10) in a four stroke port fuel-injected spark ignition engine

Influence of the Compression Ratio and Duration Injection on Performance and Emission of Sinjai Engine Type Flexible Fuel Engine 150 cc Fueled Bioethanol E70

Spark Ignition Engine Combustion, Performance and Emission Products from Hydrous Ethanol and Its Blends with Gasoline

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