The Properties of Fuels

The Properties of Fuels

The University of Illinois has discussed, in a circular just issued, and entitled: “The Economical Purchase and Use of Bituminous Coal for Heating Homes, with Special Reference to Conditions in Illinois,” the more important factors involved in the installation of a satisfactory house heating system, and has set forth the most economical methods of firing soft coal and operating a house heating plant. The properties of fuels, and the processes attending their combustion are discussed in a fashion which is intended to help the average housclyolder to understand his problem and to secure the economics of intelligent operation. Tables giving the trade names, geologic names, and, average heating value of the coals of the central western area arc contained in the circular and a chart is presented to show the relative worth of coals of different heating values. Some attention is also given to the properties of eastern coals. Diagrams in color illustrate the usual heat losses which occcur and suggest the means to be employed in overcoming them. Methods and devices for regulating house heaters arc shown by drawings, and the importance of proper chimney height, of air-tight flues, and of various dampers and regulators is emphasized by a number of illustrations. Copies of this circular may be had by addressing the Engineering Experiment Station, Urbana, Ill.

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