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C.R. Krishna
Brookhaven National Laboratory
CombustionChemistryCoal waterCoalWaste management
7Publications
3H-index
121Citations
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Publications 9
Newest
Biodiesel is produced in the United States to D 6751, an ASTM standard. The source material in this fledgling industry in the U.S. is primarily soy oil, though other sources such as canola oil, waste oils, and greases from food and other sources are beginning to be exploited. At present, the referenced ASTM standard does not specify cloud and pour points values that are much higher for biodiesel than diesel derived from petroleum but allows them to be specified by the customer. There can be sign...
19 CitationsSource
#1A. Naidja (BNL: Brookhaven National Laboratory)H-Index: 1
#2C.R. Krishna (BNL: Brookhaven National Laboratory)H-Index: 3
Last. Devinder Mahajan (BNL: Brookhaven National Laboratory)H-Index: 20
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Abstract The purpose of this review was to integrate the most recent and relevant investigations on the auto-oxidation of fuel oils and their reforming into hydrogen-rich gas that could serve as a feed for fuel cells and combustion systems. We consider the incorporation of partial oxidation under cool flame conditions to be a significant step in the reforming process for generation of hydrogen-rich gas. Therefore, we have paid particular attention to the partial oxidation of fuels at low tempera...
94 CitationsSource
#1Thomas ButcherH-Index: 4
#2C.R. KrishnaH-Index: 3
Last. R.J. McDonaldH-Index: 1
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#1R.S. SapienzaH-Index: 3
#2C.R. KrishnaH-Index: 3
Last. P. MarnellH-Index: 1
view all 4 authors...
The development and application of coal-water slurry fuels is a key factor in the future outlook for coal utilization in America. Coal-water slurry fuel is one of the most exciting energy developments in recent years. This synthetic fuel has generated enormous interest from many diverse groups. Coal in a liquid form has properties which will allow it to be handled and burned in equipment designed for petroleum fuels. Further, it can be made available at a cost comparable to present fuel costs. C...
3 Citations
#1R.S. Sapienza (BNL: Brookhaven National Laboratory)H-Index: 3
#2Thomas Butcher (BNL: Brookhaven National Laboratory)H-Index: 4
Last. J.S. Gaffney (BNL: Brookhaven National Laboratory)H-Index: 12
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The diesel engine’s proven fuel economy and lower emissions of unburned hydrocarbons and carbon monoxide makes it a viable alternative to a gasoline automotive plant, but the inherent production of particulate matter (soot) threatens the expanded use of the diesel engine.
3 CitationsSource
#1R.S. SapienzaH-Index: 3
#2C.R. KrishnaH-Index: 3
Last. P. MarnellH-Index: 1
view all 4 authors...
Coal-water slurry fuels is one of the most exciting energy development in recent years. This synthetic fuel has generated enormous interest from many diverse groups. Coal in a liquid form has properties which will allow it to be handled and burned in equipment designed for petroleum fuels. Further, it can be made available at a cost comparable to present fuel costs. Coal-water slurry fuels can accomplish this without incurring the high capital costs involved in the conversion of coals to synfuel...
#1C.R. KrishnaH-Index: 3
#2P. MarnellH-Index: 1
Last. Thomas ButcherH-Index: 4
view all 3 authors...
There is very little published information on the atomization of coal-water fuels where the presence of solid particles with their own size distribution is expected to affect the process of liquid breakup. This paper presents results obtained on the air atomization of coal-water fuels. A standard air atomizer was used in the experiments. A Malvern particle sizer was used to acquire the drop size distribution. The drop size was measured as a function of the key atomizer parameters, namely, the ai...
#1C.R. KrishnaH-Index: 3
#2P. MarnellH-Index: 1
Last. Thomas ButcherH-Index: 4
view all 3 authors...
The purpose of this study is to understand atomization of coal-water mixtures. The work is broken down into several tasks which will be accomplished over a period of two years. The tasks include: (1) selected review of solid-liquid mixture flow properties relevant to atomization and an update of slurry atomization review; (2) measurement of drop size characteristics of coal-water mixtures as a function of the key atomizer parameters for an air atomizer; (3) analysis and correlation of the data; ...
Source
#1J.S. GaffneyH-Index: 12
#2R.S. SapienzaH-Index: 3
Last. T. O'hareH-Index: 1
view all 6 authors...
The systematic addition of alcohol to the fuel and the incorporation of a catalyst on the surface of a Cooperative Fuel Research (CFR) diesel combustion chamber significantly suppressed soot formation. These effects were additive under the experimental conditions with 40 to 80 percent soot reduction observed.
23 CitationsSource
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