CYCLE SIMULATION OF RECIPROCATING, INTERNAL-COMBUSTION ENGINES USING COAL SLURRY FUELS.
An engine cycle simulation was developed to investigate the combustion processes and performance of a reciprocating engine using coal/oil, coal/water and coal/methanol slurry fuels. The simulation describes the compression and expansion strokes of an engine and uses submodels for cylinder wall heat transfer, solid coal particle combustion, coal devolatilization and volatile combustion, and liquid droplet evaporation and vaporized fuel combustion. Two submodels for the atomization process were developed and used. The first model assumed separate spherical particles and droplets and the second assumed concentric droplets around spherical particles. These submodels together with a thermodynamic analysis of the cylinder gas yielded instantaneous cylinder conditions and overall indicated engine performance.
author list (cited authors)
Bell, S. R., & Caton, J. A.