American Society of Heating and Ventilating Engineers Guide, 1930 distribution of the return water over the boiler heating surfaces.

American Society of Heating and Ventilating Engineers Guide, 1930 The following nomenclature and explanation of terms will be used in the discussion of drying calculations: . 77 = humidity of air, pounds of water-vapor per pound of dry air.

American Society of Heating and Ventilating Engineers Guide, 1931 surface.

American Society of Heating and Ventilating Engineers Guide, 1931 13Table .

American Society of Heating and Ventilating Engineers Guide, 1931 GILBOY, John P.

American Society of Heating and Ventilating Engineers Guide, 1932 Fig. 1.

American Society of Heating and Ventilating Engineers Guide, 1932 pipe intakes of flues, and shall be continued the entire heights of the flues and project at least 4 in. above chimney top to allow for a 2 in. projection of lining.

American Society of Heating and Ventilating Engineers Guide, 1932 Greater care must also be taken to obtain the elimination of free water tl>an with the humidifier, as an entrainment beyond the eliminator defeats the purpose of the equipment.

Index to Advertisers American Society of Heating and Ventilating Engineers Guide, 1932 Page Aerofin Corporation, 850 Frelinghuysen Ave., Newark, N.J.............................. 649-651 Alberger, Heater Co., 281 Chicago St., Buffalo, N.

Special Committees Committee on Meetings Program: G.

American Society of Heating and Ventilating Engineers Guide, 1934 2------------- 4 SU N TIM E AUG I A.M.I RM. 10 8 o o *> o n unOH U3d id OS U3d me . 120 ig . 1.F C u r v e s G iv in g So la r n t e n s it y N o r m a l to Su n , on H o r izo n ta lI Surface and on W a lls for A ugust 1 u r iz o n t a l Chapter 8--The Cooling Load ordinary double strength window glass transmits no measurable tha t Qf energy radiated from a source at 500 F or lower; that it trans its onjy g o and 12.3 per cent of the total radiation from surfaces at 700 F and 1000 F, respectively; and that it transmits 65.7 per cent of the diation from an arc lamp, 76.3 per cent of the radiation from an in^ndescent tungsten lamp, and 89.9 per cent of the radiation from the. ca Thus, glass windows in a room constitute heat traps, which allow SUther free transmission of radiant energy into the room from the sun to warm objects in it, but do not allow the transmission of re-radiated heat, from these same objects.

American Society of Heating and Ventilating Engineers Guide, 1934 rated air at 40 F raised to 60 F has a relative humdity of 49 per cent; 60 F saturated air raised to 80 F has a relative humidity of 50 per cent.

^ HEATING V--* a*.** Guide, 1934 Chapter 24--Gravity Warm Air Systems plant requirement will be (allowing 20 per cent heat loss between furnace and registers): j 2 jj Grate area (175 F register temperature), square inches = - = 0.003477* (7) Grate area (160 F), square inches = =0.004077* (8) It is not always possible to obtain performance curves, and the fol lowing method is suggested as being a close check.

American Society of Heating and Ventilating Engineers Guide, 1934 Sizing Gas-Fired Healing Plants While gas-burning equipment can be and usually is so installed as to be completely automatic, maintaining the temperature of rooms at a pre determined and set figure, there are in use installations which are manually controlled.

American Society of Heating and Ventilating Engineers Guide, 1934 charge, a water displacement vacuum producer with two pump impellers is used.