. Technical paper . As stated above, 9|- ; j ? 1 | 1 -i r 1—1 illlll J | l . ? 1 i I ; : c. 8 Raw of firing Lbs. per sq. ft. per hour 280) co2 Per oent 0, £ 1 ; ! i I III O No - 102 - 103 >er cent 1 Sh 1 1 f, o- ——4-4 li 11 [ 104-1 . ... u— ? \\ ; T 1( EP 4 - 10 tJ 4 - ; 102<IH— - ._ p - 1 -ku-v— 1 1 [ 1 - ? .... a l))64i 5 3. o ° O i 1 ~l II h? : . H : : ? ! ? i ! Eh j ; : t =104 i J—- — lOi-lcw^Wv^c ?— — —• — 0 J 0 BMS SO °\ 110 160 ° -200VOLUME OF COMBUSTION SPACE, CUBIC FEET ?— -T- 40 2S0
. Technical paper . As stated above, 9|- ; j ? 1 | 1 -i r 1—1 illlll J | l . ? 1 i I ; : c. 8 Raw of firing Lbs. per sq. ft. per hour 280) co2 Per oent 0, £ 1 ; ! i I III O No - 102 - 103 >er cent 1 Sh 1 1 f, o- ——4-4 li 11 [ 104-1 . ... u— ? \\ ; T 1( EP 4 - 10 tJ 4 - ; 102<IH— - ._ p - 1 -ku-v— 1 1 [ 1 - ? .... a l))64i 5 3. o ° O i 1 ~l II h? : . H : : ? ! ? i ! Eh j ; : t =104 i J—- — lOi-lcw^Wv^c ?— — —• — 0 J 0 BMS SO °\ 110 160 ° -200VOLUME OF COMBUSTION SPACE, CUBIC FEET ?— -T- 40 2S0 320 ABC DEFGH SECTION Figure 14.—Relation between combustible content of furnace gas and volume of combustion space withan average rate of firing of pounds of coal per square foot per hour. fluctuations of several per cent in the C02 content of the furnace gaswere Figure 15.—Relation between combustible content of furnace gas and volume of combustion space withan average rate of firing of pounds of coal per square foot per hour. On account of the mechanical difficulties involved in taking such alarge number of gas samples simultaneously, the period of samplingwas made short.—about eight minutes. In the earlier part of the DISCUSSION OF RESULTS OF TESTS. 35 work it was not anticipated that this short period would result inserious errors. Experience showed, however, that on account of
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