Psychrometric Ashrae A3-Mod 2
Psychrometric Ashrae A3-Mod 2
Psychrometric Ashrae A3-Mod 2
1
Normal Temperature
Barometric Pressure: 101.325 kPa
0.9
28 0.40
30
4
• 1.0 1.0 –•
0.8 1.5
10.0 0.7 2.0 – 5.0 120
0.6 4.0 – 2.0 26
Sensible heat ΔH – • 90
0.5 —————– = ——S – 24.0 30
Total heat ΔHT – .0 0 .0
5.0 0.4 1.0 0.45
–0
0.
3 1.0 24
4.0
– 0.2
.5
0.2
0.1
= ——
ΔHT
80
ΔHS
0
0.9
110
2v
2.0
y 22
3.0
dr 0.50
olu
2.5
—————–
Sensible heat
am
me
gr
Total heat
Enthalpy Δh i lo 70 25
cub
—————— = —— k 20
Humidity ratio Δ e r
sp
ic m
e 0.55
ul
eter
o
l oj 25 100
ki we
per
%
) t bu 18
(h
90
60 lb t 0.60
0.9
y
kilo
lp em
a per
0
th atu
gra
%
En re °
80
C
md
16
°C
0.65
re
ry a
tu
%
50 20
ra
70
90
pe
ir
0.70
m
te
14
n
tio %
60 0.75
0.8
ra
20
tu
8
Sa
40 0.80
% 12
50 0.85
15 80 0.90
% 10 0.95
30 40
0.8
15 1.0
6
10 30% 8
20
0.8
70
10
4
6
5 20%
2
0.8
5
2
ity 4
umid
lative h
10% re
0.8
0 60
0
0.7
2
8
Appendix 1
0 10 20 30 40 50
|
FIGURE A–31
Psychrometric chart at 1 atm total pressure.
955
Reprinted by permission of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., Atlanta, GA; used with permission.