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diesel fuel
Combustion and emissions of the diesel engine using bio-diesel fuel
      
The combustion and heat release of engines using diesel fuel and bio-diesel fuel have been investigated.
      
The economic performance and emission features of diesel engines using diesel fuel and bio-diesel fuel are compared.
      
Fischer-Tropsch (F-T) diesel fuel is characterized by a high cetane number, a near-zero sulphur content and a very low aromatic level.
      
The results show that F-T diesel fuel exhibits a slightly longer injection delay and injection duration, an average of 18.7% shorter ignition delay, and a comparable total combustion duration when compared to those of conventional diesel fuel.
      
Meanwhile, F-T diesel fuel displays an average of 26.8% lower peak value of premixed burning rate and a higher peak value of diffusive burning rate.
      
The brake specific fuel consumption is lower and the effective thermal efficiency is higher for F-T diesel fuel operation.
      
Emission characteristics of a turbocharged, intercooled, heavy-duty diesel engine operating on neat gas-to-liquids (GTL) and blends of GTL with conventional diesel were investigated and a comparison was made with those of diesel fuel.
      
Compared with diesel fuel, an engine operating on GTL can reduce NOx, PM, carbon monoxide (CO), and hydrocarbon (HC) by 23.7%, 27.6%, 16.6% and 12.9% in ECE R49 13-mode procedure, respectively.
      
Engine speed and load have great influences on emissions when operating on diesel-GTL blends and diesel fuel in the turbocharged diesel engine.
      
A new combustion model diesel/methanol compound combustion (DMCC) is presented, in which methanol is injected into manifold and ignited by certain amount of diesel fuel.
      
No significant increase in the integral toxicity level of the aquatic medium was observed when diesel fuel and kerosene contamination had been subjected to biodegradation.
      
Studies of the stability of an association of active hydrocarbon-oxidizing microorganisms grown on diesel fuel showed that not all members of the association were competitive in an open-flow system.
      
This prompts the use these strains as degraders of diesel fuel.
      
The degrading activities of selected bacterial strains and their associations directed towards fuel oil and diesel fuel in liquid media were studied.
      
Addition of diesel fuel and waste engine oil to soil was found to stimulate hydrocarbon-oxidizing microorganisms.
      
The ability of 96 microbial strains degrading oil and 32 strains degrading polycyclic aromatic hydrocarbons (PAHs) to consume diesel fuel and oil at 4-6 and 24°C and at elevated NaCl concentrations was studied.
      
Consumption of aliphatic hydrocarbons by the bacteria Rhodococcus ruber Ac-1513-D and Rhodococcus erythropolis Ac-1514-D grown on mixed n-alkanes and diesel fuel was studied.
      
Consumption of diesel fuel hydrocarbons by the strains was less intense in comparison with the n-alkane mixture.
      
The inclusion of the polydispersity of droplets and semitransparency of diesel fuel made possible a serious revision of the known estimates of the importance of thermal radiation.
      
 

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