Combustion characteristics of dry coal-powder-fueled adiabatic diesel engine: Final report

Technical Report · Sun Jan 01 00:00:00 EST 1989

DOI:https://doi.org/10.2172/6265263· OSTI ID:6265263

Kakwani, R. M.; Kamo, R.

This report describes the progress and findings of a research program aimed at investigating the combustion characteristics of dry coal powder fueled diesel engine. During this program, significant achievements were made in overcoming many problems facing the coal-powder-fueled engine. The Thermal Ignition Combustion System (TICS) concept was used to enhance the combustion of coal powder fuel. The major coal-fueled engine test results and accomplishments are as follows: design, fabrication and engine testing of improved coal feed system for fumigation of coal powder to the intake air; design, fabrication and engine testing of the TICS chamber made from a superalloy material (Hastelloy X); design, fabrication and engine testing of wear resistant chrome oxide ceramic coated piston rings and cylinder liner; lubrication system was improved to separate coal particles from the contaminated lubricating oil; control of the ignition timing of fumigated coal powder by utilizing exhaust gas recirculation (EGR) and variable TICS chamber temperature; coal-fueled engine testing was conducted in two configurations: dual fuel (with diesel pilot) and 100% coal-fueled engine without diesel pilot or heated intake air; cold starting of the 100% coal-powder-fueled engine with a glow plug; and coal-fueled-engine was operated from 800 to 1800 rpm speed and idle to full load engine conditions.

• Research Organization: Adiabatics, Inc., Columbus, IN (USA)
• DOE Contract Number: AC21-86MC23258
• OSTI ID: 6265263
• Report Number(s): DOE/MC/23258-2693; ON: DE89000978
• Resource Relation: Other Information: Portions of this document are illegible in microfiche products
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
DIESEL ENGINES
PERFORMANCE TESTING
FUEL SYSTEMS
DESIGN
IGNITION SYSTEMS
BITUMINOUS COAL
CHROMIUM OXIDES
FABRICATION
HASTELLOY X
LIGNITE
LUBRICATION
PARTICLE SIZE
POWDERS
PROGRESS REPORT
ALLOY-NI49CR22FE18MO9
ALLOYS
BLACK COAL
BROWN COAL
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHROMIUM ALLOYS
CHROMIUM COMPOUNDS
COAL
COBALT ALLOYS
CORROSION RESISTANT ALLOYS
DOCUMENT TYPES
ENERGY SOURCES
ENGINES
FOSSIL FUELS
FUELS
HASTELLOYS
HEAT ENGINES
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INTERNAL COMBUSTION ENGINES
IRON ALLOYS
MATERIALS
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
OXIDES
OXYGEN COMPOUNDS
SIZE
TESTING
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN ADDITIONS
TUNGSTEN ALLOYS
330102* - Internal Combustion Engines- Diesel