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Effects of pilot fuel quantity on the emissions characteristics of a CNG/diesel dual fuel engine with optimized pilot injection timing

Liu, Jie; Yang, Fuyuan; Wang, Hewu; Ouyang, Minggao; … - In: Applied Energy 110 (2013) C, pp. 201-206

significant. In this study, the emission characteristics of a CNG–diesel dual fuel engine with different pilot diesel fuel … quantity and optimized pilot injection timing were investigated. The CO emission levels under dual fuel mode are considerably … the methane molecular structure, the PM emission is reduced obviously under dual fueling condition. The PM emission is …

Persistent link: https://www.econbiz.de/10010678780

Sequenced combustion characteristics, emission and thermal efficiency in gasoline homogeneous charge induced ignition

Chao, Yu; Zhi, Wang; Jianxin, Wang - In: Applied Energy 124 (2014) C, pp. 343-353

In this study, the concept of Homogeneous Charge Induced Ignition (HCII) is employed using port-injection of the high-volatile fuel (gasoline) to prepare in-cylinder homogeneous charge and direct injection of the high-ignitable fuel (diesel) near the top dead center (TDC) to control the start of...

Persistent link: https://www.econbiz.de/10010789886

Influence of engine load and fuel droplet size on performance of a CI engine fueled with cottonseed oil and its blends with diesel fuel

Daho, Tizane; Vaitilingom, Gilles; Ouiminga, Salifou K.; … - In: Applied Energy 111 (2013) C, pp. 1046-1053

In this study, favorable conditions to achieve good combustion of cottonseed oil and its blends with diesel fuel in a direct injection diesel engine have been highlighted. This has been performed by analyzing fuel droplet size distribution and determining engine specific fuel consumption and...

Persistent link: https://www.econbiz.de/10010702572

Load characteristics of a spark-ignited ethanol engine with DME enrichment

Liang, Chen; Ji, Changwei; Gao, Binbin - In: Applied Energy 112 (2013) C, pp. 500-506

Alternative fuels have become the new energy for future life. Compared with others, Dimethyl ether (DME) is regarded as one of the most promising choices for future internal combustion (IC) engines. Due to some negative properties of ethanol, spark-ignited (SI) ethanol engines always encounter...

Persistent link: https://www.econbiz.de/10010702640

Temporal and spatial trends of residential energy consumption and air pollutant emissions in China

Zhu, Dan; Tao, Shu; Wang, Rong; Shen, Huizhong; Huang, Ye; … - In: Applied Energy 106 (2013) C, pp. 17-24

Residential energy consumptions of both electricity and fuels are associated with emissions of many air pollutants. Temporally and spatially resolved energy consumption data are scarce in China, which are critical for a better understanding of their environmental impacts. In this study, a...

Persistent link: https://www.econbiz.de/10010662352

Performance and emission characteristics of butanol/Jet A blends in a gas turbine engine

Mendez, C.J.; Parthasarathy, R.N.; Gollahalli, S.R. - In: Applied Energy 118 (2014) C, pp. 135-140

the performance and emission characteristics of a gas turbine engine. Pure Jet A, butanol and their blends with varying …-specific fuel consumption, turbine inlet temperature and exhaust gas temperature, and the emission characteristics, such as thrust …-specific emission indices of CO and NOx, were measured over a range of throttle settings. The operational thrust range of the engine for …

Persistent link: https://www.econbiz.de/10010743637

Particle number emissions from a light-duty diesel engine with biodiesel fuels under transient-state operating conditions

Tan, Pi-qiang; Ruan, Shuai-shuai; Hu, Zhi-yuan; Lou, Di-ming - In: Applied Energy 113 (2014) C, pp. 22-31

Exhaust particle numbers from a light-duty vehicle diesel engine for transient-state operating conditions were studied. The test fuels were petroleum diesel, pure Jatropha biodiesel (B100), 20% and 50% biodiesel blends with diesel fuel (B20 and B50). The results show that the number of...

Persistent link: https://www.econbiz.de/10010718846

Performance, combustion and emission tests of a metro-bus running on biodiesel-ULSD blended (B20) fuel

Bari, S. - In: Applied Energy 124 (2014) C, pp. 35-43

biodiesel. It was also found that with B20 the emission of PM10 particulates were 19% and 47% lower at lower and higher speeds …

Persistent link: https://www.econbiz.de/10011040492

Wood, liquefied in polyhydroxy alcohols as a fuel for gas turbines

Seljak, Tine; Rodman Oprešnik, Samuel; Kunaver, Matjaž; … - In: Applied Energy 99 (2012) C, pp. 40-49

The paper reports foremost the results of a successful combustion of an innovative lignocellulosic biofuel in a gas turbine. The fuel was processed through liquefaction of lignocellulosic materials with polyhydroxy alcohols in an acid catalyzed reaction. The liquefaction process features: high...

Persistent link: https://www.econbiz.de/10011041170

Theoretical and experimental investigation of the Miller cycle diesel engine in terms of performance and emission parameters

Gonca, Guven; Sahin, Bahri; Parlak, Adnan; Ust, Yasin; … - In: Applied Energy 138 (2015) C, pp. 11-20

Pollutant exhaust emissions, particularly NOx, produced by diesel engines must be reduced to limit values defined by the environmental regulations as the emissions have many harmful influences on the environment. Recently, the application of the Miller cycle into the internal combustion engines...

Persistent link: https://www.econbiz.de/10011116113