3.15 Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at 68°F can be produced by cooling some air below 68°F and then mixing with some hot, humid air at 95°F. This process is shown in the schematic below. air: 95°F 3.20 wt% water air: 95°F cold air: 3.20 wt% water , 100% humidity cooler (3 mixer air: 154.0 kg/min water 68°F 4.7 kg/min 0.72 wt% water (50% humidity)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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3.15 Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at
68°F can be produced by cooling some air below 68°F and then mixing with some
hot, humid air at 95°F. This process is shown in the schematic below.
air:
4) 95°F
3.20 wt% water
air:
95°F
cold air:
3.20 wt% water
100% humidity
cooler
(3
mixer
air:
154.0 kg/min
water
68°F
4.7 kg/min
0.72 wt% water
(50% humidity)
Transcribed Image Text:3.15 Air with 100% humidity is not pleasant, even at 68°F. Air with 50% humidity at 68°F can be produced by cooling some air below 68°F and then mixing with some hot, humid air at 95°F. This process is shown in the schematic below. air: 4) 95°F 3.20 wt% water air: 95°F cold air: 3.20 wt% water 100% humidity cooler (3 mixer air: 154.0 kg/min water 68°F 4.7 kg/min 0.72 wt% water (50% humidity)
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