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An experimental study on energy-exergy analysis and sustainability index in a diesel engine with direct injection diesel-biodiesel-butanol fuel blends
Scopus
Toplam 148 atıf DOI
The aim of this study was to investigate the effects of biodiesel and butanol properties on energetic-exergetic efficiencies of the engine performance and assessment of sustainability. In this study, energy and exergy analyses were performed in a direct-injected (DI) diesel engine operating with various diesel-biodiesel-butanol fuel blends. The experiments were conducted with a single-cylinder, naturally aspirated, water-cooled, a DI diesel engine at the maximum torque (1400 rpm) and power (2800 rpm) condition. According to obtained results, it was found that biodiesel energetic-exergetic efficiencies and sustainability index (SI) of biodiesel were higher than euro diesel. The maximum energy-exergy efficiencies and SI of the diesel engine were 32.49%, 30.25%, and 1.434, respectively and were obtained using B100 fuel at 1400 rpm. However, low butanol ratio blends had considerably similar energetic-exergetic performance and SI trends compared to euro diesel, while these values decreased by increasing the butanol ratio. Thus, D75B20But5 can be accepted as fuel that has the best fuel ratio according to the performance of the energy-exergy and SI. It could be concluded that the properties of the biodiesel and butanol have substantially affected the energy-exergy analysis and SI value of a direct-injected diesel engine.
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Atıf Yapan Yayın
Evaluation of detailed combustion, energy and exergy analysis on ethanol-gasoline and methanol-gasoline blends of a spark ignition engine
Scopus
Havuzumuzda 43 atıf almış
This study discusses the combustion behaviour of an SI engine and evaluates the engine's thermodynamic performance through energy and exergy analysis. The test results compared the fuels obtained by adding small amounts of ethanol (and equal amounts of methanol) to gasoline with each other and with gasoline as the reference fuel. The study was conducted at a constant engine speed and five different engine loads (2, 2.5, 3, 3.5, and 4 Nm). Upon examining the study results, it was observed that the addition of ethanol and methanol to gasoline increased the maximum in-cylinder pressure. While the gasoline-alcohol mixtures relatively reduced the average in-cylinder gas temperature, the pressure increase rates significantly increased. It was observed that the volumetric addition of ethanol/methanol to gasoline had a relatively decreasing effect on thermal and exergetic efficiency values.
Atıf Yapan Makale Bilgileri
Kurumlar (2)
Selçuk Üniversitesi
Selçuklu, Turkey
Yozgat Bozok University
Yozgat, Turkey