Page 31 - HVAC Pump Handbook
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Rishel_CH02.qxd 20/4/06 5:13 PM Page 28
Physical Data for HVAC System Design
28 The Basic Tools
Figure 2.7 Specific heat of heat transfer fluids. (From Engineering Data for Ethylene
Glycol–Based Heat Transfer Fluids, Union Carbide Corporation, Danbury, Conn., 1993,
p. 24.)
specific heat of the glycol will be 0.84, and from Fig. 2.5, the specific
gravity of the solution will be 1.074 based upon water at 68°F or 62.32
3
lb/ft .
0.125 5,000,000
Pump flow, gal/min 926 gal/min
0.84 12 62.32 1.074
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