نتایج جستجو برای: dual fuel engines
تعداد نتایج: 243491 فیلتر نتایج به سال:
Due to the rapid development of the global economy, fossil oil is widely used, leading to its depletion and gradual deterioration of the global environment, including global warming, the greenhouse effect, fog, and haze. Therefore, many researchers have been interested in studying alternative fuels in an attempt to develop an eco-friendly fuel to replace traditional fuel and solve the above env...
Reports from the Nebraska Tractor Test Laboratory (NTTL) show improved fuel efficiency during the past 20 years. A 4.8% decrease in average annual specific volumetric fuel consumption for the data used in theASAE Standards was shown. Using fuel consumption and power data from the NTTL reports, new equations for fuel consumption were established that predict fuel consumption for diesel engines d...
A newly developed heavy duty diesel engine in dual fuel mode of operation has been studied in detail. The main fuel would be natural gas and diesel oil as pilot injection. The importance and effects of mixture preparation and formation through ports, valves and in cylinder flow field with different swirl ratio and tumble on diesel combustion phenomena is an accepted feature which has been studi...
The next generation of clean, fuel-flexible and efficient engines will operate at pressuresconsiderably higher than those commonly seen in engines today. At these pressures many of thefundamental assumptions underlying present combustion modeling become invalid. Basicresearch is needed to characterize the physical properties and chemical oxidation mechanisms ofcurrent and future...
Nobody escapes the importance of the air/fuel mixture preparation in internal combustion engines, whatever is the thermodynamic cycle they work on and the adopted fuel. The short time between the fueling and the start of the combustion is crucial for the best mixture formation and its burning for energy optimization and the pollutant production. The always stringent vehicle emissions rules led ...
The constant development of civilization increases environmental pollution as a result industrial activity and transport. Consequently, human in this area is restricted by regulations governing the permissible emission harmful substance components into environment. These include substances emitted combustion engines, use which remains high many industries. research being conducted to reduce emi...
This investigation evaluated the integration of an alkaline electrolyzer for dual-fuel operation in experimental test bench a diesel engine from techno-economic viewpoint. The characterization indicated that higher electrolyte (KOH) concentrations (30 – 40% w/w) improve overall performance since less voltage is required electrolysis, thus featuring efficiencies (50 60%) and hydrogen production ...
Homogenous Charge Compression Ignition (HCCI) is a mode of combustion in IC engines in which premixed fuel and air are ignited spontaneously. There is a belief that HCCI engines have a great potential to improve fuel consumption and reduce NOx emissions. In this study, a single zone, zero dimensional, thermo-kinetic model has been developed and a computer program with MATLAB software is use...
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