Heating and ventilating buildings : a manual for heating engineers and architects . ing surface expressed in lineal feet of one-inch pipe, 4770for the large fan and 1980 for the small fan. The following table gives the principal dimensions ofmachinery: Large Fan. Small Fan. Diameter of wheel, inches 84 44 Width at centre, inches 36 18 Diameter of inlet, inches 54 28 Discharge opening, inches 40X42 22X22 Diameter engine cylinder, inches 19 6 Length of stroke, inches 8 8 Heating surface, lineal feet 4770 1980 heater, lineal feet 3816 1584 tempering coil, lineal feet .... 954 396 Lineal feet of p
Heating and ventilating buildings : a manual for heating engineers and architects . ing surface expressed in lineal feet of one-inch pipe, 4770for the large fan and 1980 for the small fan. The following table gives the principal dimensions ofmachinery: Large Fan. Small Fan. Diameter of wheel, inches 84 44 Width at centre, inches 36 18 Diameter of inlet, inches 54 28 Discharge opening, inches 40X42 22X22 Diameter engine cylinder, inches 19 6 Length of stroke, inches 8 8 Heating surface, lineal feet 4770 1980 heater, lineal feet 3816 1584 tempering coil, lineal feet .... 954 396 Lineal feet of pipe per cubic foot Dimensions of flues from fan : Tempered air, inches 40X20 Warm air, inches 72X28 Area of flue in square feet : Tempered air Warm air MECHANICAL VENTILATING SYSTEMS. 403 Velocity of air, feet per miuutc by measurement: Largu Fan. Feb. 13 888 Tempered ., Feb. 25 1400 Feb. 13 1000 Warm air Feb. 25 121S Temperature outside air 320, Feb. 13. 1897 : Tempered air 60 Warm air Small Co i 411 63100. Fig. 261.—Speed, Horse-power, and Weight of Air, Large Fan,Feb. 25, 1897.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
