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Coal Fueled Diesel Engines 1990

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Coal Fueled Diesel Engines 1990

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Author : Jerald A. Caton
language : en
Publisher:
Release Date : 1990

Coal Fueled Diesel Engines 1990 written by Jerald A. Caton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Technology & Engineering categories.

Coal Fueled High Speed Diesel Engine Development Final Report September 28 1990 November 30 1993

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Author :
language : en
Publisher:
Release Date : 2005

Coal Fueled High Speed Diesel Engine Development Final Report September 28 1990 November 30 1993 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

The goal of this program was to study the feasibility of operating a Detroit Diesel Series 149 engine at high speeds using a Coal-Water-Slurry (CWS) fuel. The CWS-fueled 149 engine is proposed for the mine-haul off-highway truck and work boat marine markets. Economic analysis studies indicate that, for these markets, the use of CWS fuel could have sufficient operating cost savings, depending upon the future diesel fuel price, emission control system capital and operating costs, and maintenance and overhaul costs. A major portion of the maintenance costs is expected to be due to lower life and higher cost of the CWS injectors. Injection and combustion systems were specially designed for CWS, and were installed in one cylinder of a Detroit Diesel 8V-149TI engine for testing. The objective was to achieve engine operation for sustained periods at speeds up to 1,900 rpm with reasonable fuel economy and coal burnout rate. A computer simulation predicted autoignition of coal fuel at 1,900 rpm would require an average droplet size of 18 microns and 19:1 compression ratio, so the injection system, and pistons were designed accordingly. The injection system was capable of supplying the required volume of CWS/injection with a duration of approximately 25 crank angle degrees and peak pressures on the order of 100 mpa. In addition to the high compression ratio, the combustion system also utilized hot residual gases in the cylinder, warm inlet air admission and ceramic insulated engine components to enhance combustion. Autoignition of CWS fuel was achieved at 1900 rpm, at loads ranging from 20--80 percent of the rated load of diesel-fuel powered cylinders. Limited emissions data indicates coal burnout rates in excess of 99 percent. NO[sub x] levels were significantly lower, while unburned hydrocarbon levels were higher for the CWS fueled cylinder than for corresponding diesel-fuel powered cylinders.

Coal Fueled High Speed Diesel Engine Development Annual Technical Progress Report October 1990 September 1991

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Author :
language : en
Publisher:
Release Date : 1991

Coal Fueled High Speed Diesel Engine Development Annual Technical Progress Report October 1990 September 1991 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.

The objectives of this program are to study combustion feasibility by running Series 149 engine tests at high speeds with a fuel injection and combustion system designed for coal-water-slurry (CWS). The following criteria will be used to judge feasibility: (1) engine operation for sustained periods over the load range at speeds from 600 to 1900 rpm. The 149 engine for mine-haul trucks has a rated speed of 1900 rpm; (2) reasonable fuel economy and coal burnout rate; (3) reasonable cost of the engine design concept and CWS fuel compared to future oil prices.

Coal Fueled Diesel Engines 1991

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Author : Jerald A. Caton
language : en
Publisher:
Release Date : 1991

Coal Fueled Diesel Engines 1991 written by Jerald A. Caton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Technology & Engineering categories.

Coal Fueled Diesels For Modular Power Generation

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Author :
language : en
Publisher:
Release Date : 1993

Coal Fueled Diesels For Modular Power Generation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

Interest in coal-fueled heat engines revived after the sharp increase in the prices of natural gas and petroleum in the 1970's. Based on the success of micronized coal water slurry combustion tests in an engine in the 1980's, Morgantown Energy Technology Center (METC) of the US Department of Energy. initiated several programs for the development of advanced coal-fueled diesel and gas turbine engines for use in cogeneration, small utilities, industrial applications and transportation. Cooper-Bessemer and Arthur D. Little have been developing technology since 1985, under the sponsor of METC, to enable coal water slurry (CWS) to be utilized in large bore, medium-speed diesel engines. Modular power generation applications in the 10--100 MW size (each plant typically using from two to eight engines) are the target applications for the late 1990's and beyond when, according to the US DOE and other projections, oil and natural gas prices are expected to escalate much more rapidly compared to the price of coal. As part of this program over 7.50 hours of prototype engine operation has been achieved on coal water slurry (CWS), including over 100 hours operation of a six-cylinder full scale engine with Integrated Emissions Control System in 1993. In this paper, the authors described the project cost of the CWS fuel used, the heat rate of the engine operating on CWS, the projected maintenance cost for various engine components, and the demonstrated low emissions characteristics of the coal diesel system.