TOR AmI rI H n H ^ COPIED PHDM THE COLLECTIONS IN f f t ^ T C R Voyage to Prudhoe Set for July Marine Dept.

T HEATING VENTILATINC AIR CONDITIONING GUIDE 1940 Table 9.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 LYNN, Frederick E.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 active work14, limits which are, of course, much lower than those cited for subjects at rest.

r HEATINC VENTILATINC AIR CONDITIONING GUIDE 1941 CHAPTER 6.

HEATING VENTILATINC AIR CONDITIONING GUIDE 1941 reduces the capacity, but can be largely avoided by proper layout or by the use of directing baffles.

T a b l e 1.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 The straight blade {paddle-wheel) or partially backward curved blade type of fan is practically obsolete for ventilation.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1941 Table 2.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 Modine Mfg.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 liminary calculation shows that the final mixture contains liquid.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942, HEAT TRANSFER COEFFICIENTS The symbols representing the various coefficients of heat transmission and their definitions are as follows: U * thermal transmittance or over-all coefficient of heat transmission; the amount of heat expressed in Btu transmitted in one hour per square foot of the wall, floor, roof or ceiling for a difference in temperature of 1 F between the air on the inside and that on the outside of the wall, floor, roof or ceiling. k = thermal conductivity; the amount of heat expressed in Btu transmitted in one hour through 1 sq ft of a homogeneous material 1 in. thick for a difference in temperature of 1 F between the two surfaces of. the material.

er HEATINC VENTILATINC AIR CONDITIONING CUIDE 1942 FURNACES Furnaces for mechanical warm air systems may be made of cast-iron, steel, or alloy.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 general long radius elbows and gradual changes in shape tend to maintain uniform velocities accompanied by decreased turbulence, lower resistance and a minimum of noise.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 equipment and ventilating means available for control.