Ycasiano: Data on Steaming Tests of Coals 



From Table II, page 316. 



345 



Test 

 No. 



Efficiency of boiler, in- 

 cluding grate, in per cent 

 based on the chemical 



analysis. j 



Former 

 value. 



Recalculated 

 value. 



1 



57.99 



63.17 



2 



66.61 



51.81 



3 



58.86 ' 53.82 



4 



51.40 47.96 



6 



49.36 45.96 



6 



39.53 36.61 



7 



50.30: 47.03 



8 



43.76 ; 40.37 



9 



42.72 39.42 



10 



41.04 1 37.64 



11 



37.62 83.86 



12 



37.76 i 34.77 



13 



52.15 j 48.68 



14 



64.24 1 50.51 



1 15 



51. 10 47. 07 



16 



52.40 47.98 



17 



52. 89 48. 39 



18 



61. 04 46. 27 



Frtrni Table III, pages 319-321. 



Test 

 No. 



Heat absorbed by the boiler. 



Lobs due to unconsumed hydrogen and 

 hydrocarbons, to heating the moisture in 

 the air, to radiation, and unaccounted for. 



Former value. 



Recalculated value. 



Former value. i Recalculated value. | 



i 1 





Calories. 



Per cent. 



Calories. 



Per cent. 



Calories. 



Per cent. 1 Calories. 



Per cent. 



1 



4,604 



57.99 



4.126 



53.13 



1,206 



15. 51 1, 583 



20.37 ' 



2 



4,390 



56.53 



4.048 



52.12 



1,536 



19.77 1,878 



24.18 



3 



4,615 



58.86 



4.296 



64.79 



738 



9.32 1.067 



13.49 



4 



4.221 



61.40 



8.937 



47.94 









e 



6 



4,053 

 8.080 



49.36 

 89.68 



3.776 

 2.862 



45.97 

 36.59 









2.958 



37.96 j 8,186 



40.40 



7 



4.060 



50.30 



3,795 



47.01 



1.881 



23.29 



2.146 



26.68 



8 



3.173 



43.75 



2.929 



40.89 



2.248 



31.03 



2.492 



34.39 



9 



3,098 



42.72 



2,858 



39.41 



2,416 



38.30 



2.656 



36.61 



10 



2,892 



41.04 



2,653 



87.65 



2.025 



28.76 I 2,264 



32.14 



11 



2.701 



37.62 



2,432 



83.85 



1.370 



19.09 1,639 



22.86 



12 



2.690 



87.76 



2,478 



34.77 



964 



13.52 1 1,216 



16.61 



13 



8,777 



52.15 



3,527 



48.68 



730 



10.09 < 980 



13.66 



14 



3,923 



54.24 



3.664 



60.51 



711 



9.83 i 980 



13.66 



16 



3.171 



61.10 



2,921 



47.07 



1.382 



22.28 1,632 



26.81 



16 



3.348 



62.40 



3,089 



48.34 



924 



14.47 1,183 



18.63 



17 



3.812 



52.89 



3,487 



48.37 



1.162 



16. 12 1, 487 



20.64 



18 



3.678 



61.04 



3,840 



46.35 















