The Advanced Research and Technology Development (AR and TD) Direct Utilization, and Instrumentation and Diagnostics Contractors Review Meeting was held on October 14-16, 1987, at the Sheraton Lakeview Conference Center in Morgantown, West Virginia. This meeting was sponsored by the US Department of Energy (DOE), Office of Fossil Energy, and the Morgantown and Pittsburgh Energy Technology Centers, and this year was hosted by the Morgantown Energy Technology Center. This annual meeting provides a forum for the exchange of information between DOE AR and TD contractors and interested parties and was attended by approximately 200 individuals from industry, academia, national laboratories, and other Governmental agencies. Papers were presented on ongoing research and research results relating to combustion phenomena, coal properties, cleanup, mineral-matter transformations, pyrolysis, atomization, instrumentation, erosion/corrosion, and deposition. A total of 12 technical sessions were chaired by staff from both the Morgantown and Pittsburgh Energy Technology Centers. Conference coordination was provided by the Conference Services staff of EG and G Washington Analytical Services, Inc., Morgantown Operations. The proceedings have been reproduced from camera-ready manuscripts furnished by the authors. They have not been refereed, nor have they been extensively edited. Papers have been entered individually into EDB and ERA.