. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ere run with Penngas coal of the following composition: Iaule No. II—r,AS Samples Taken at Top of Fuel Bed H,;il Developed in Fuel Bed Weight. Grams \> ei,!ht. Innnds Heat Value Constituent Per. Cu. Ft. Per Cu. Ft. Per Pound C in CO .n(l471 CinCO. .00341 14,500 Potential Heat in Gases, Soot and Tar CinCO .0(1471 10,000 m, 142 .000313 24,000 H. 068 .000149 62,000 C2II4 .036 .0(10079 21,600 Soot 369 .( 14,500 Tar .241 .OOlL^.M 16,000 Per Cu. Ft. Gas 21.
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ere run with Penngas coal of the following composition: Iaule No. II—r,AS Samples Taken at Top of Fuel Bed H,;il Developed in Fuel Bed Weight. Grams \> ei,!ht. Innnds Heat Value Constituent Per. Cu. Ft. Per Cu. Ft. Per Pound C in CO .n(l471 CinCO. .00341 14,500 Potential Heat in Gases, Soot and Tar CinCO .0(1471 10,000 m, 142 .000313 24,000 H. 068 .000149 62,000 C2II4 .036 .0(10079 21,600 Soot 369 .( 14,500 Tar .241 .OOlL^.M 16,000 Per Cu. Ft. Gas tal, Total, Furnace. Here an attempt has beenmade to increase the volume andflameway by reducing the flue length andinstalling a combustion chamber betweenthe bridge wall and flue sheet. The de-sign of firebox shown has obtained some Fixed Carbon, per cent.; Volatilematter, per cent.; Moisture, cent; -■^sh, per cent; B. T. pound of dry coal, 14520. Thesmoke reduction of 50 per cent, wasaccompanied by an increase in evapora-. .\IUII. AND SlhCOMBUSTION \i;i 11. C,..\INKS I;l<ICK \V.\LL .\ND L.\R(COMHLSTION when compared with the total numberin service. It is also probable that wehave been too conservative as to thelength of combustion chambers that havebeen installed. Tests indicate that an 18-or 19-ft. flue is sufficient to reduce thefront end temperatures to a normal figure. of the results desired; but for hi^h vola-tile coal, burned at high rates of com-bustion, the combustion-chamber space istoo limited. Fig. 6 shows a Gaines Fur-nace in combination with a barrel com-bustion chamber. Here additional fire-box volume and flameway have been ob- tion of per cent., due to the arch. TheChicago Smoke Commission (of whichW. F. M. Goss was Chief Engineer) madeextensive tests, with and without the found and reported that the brickarch decreased the average d
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
