98 Psychrometric charts
WATER-METHANE
1.00 atm pressure
Enthalpy datum: liquid water dry methane
To obtain true enthalpy add enthalpy deviation to enthalpy at saturation
40
o
o
O.O°C, 0.00603 atm
O.O°C, 1.00 atm
10 20 30
Dry bulb temperature ('c)
.065
.060
.055
.050 Q) c ctI ..c
.045 CD E
.040 "0 Cl ..:.:: ...... Cl
.035 ..:.::
.030 :.c ·E ::J ..c
.025 Q)
:5 (5 (J)
.020 ..c «
.015
.010
.005
.000 40 50
Psychrometric charts 99
2200
WATER- METHANE
1.00 atm pressure 1900
2000 700 I- / ,' " / I :' / I:' : : .3. ' I / ,' i/ if : .......... .
.680 Enthalpy datum : liquid water
dry methane
O.O·C, 0.00603 atm
O.O·C, 1.00 atm 1800
1700
1 If i f f:--- ......... : : / :---.........
II ,-- ::::-. . ---... . To obtain true enthalpy add enthalpy deviation to enthalpy at saturation
/ / ! /:1"--- / '7-r--... '. ., 0' 1600 I r-. .. .L II: II-, i J::'I"---r-- :' / L / .: rP ;' 1m ' "..; 7"--- <)i : ti :
1500 / r ...... ,: / : / 1=&: ' : r--.. O(;\L'400 70 / :!1 .......... fI... ,' I / E:' /.
/ J II 16: V ')\' ! j I I : I I
- - .$., / I I II II ," 1 I 'i-. f If I I . V '-i! ;
- '- / I -;r-- / .-"1/ I I c:j .vc:>t'f'f,§0 I nl . J ...... r-:, " :S
L / / / j ---J.. ' 100V -;'&'If - , / I:
_ -$i / / 1/: L / : / :
/ : /
. /
/ " II / 1 I
/ : 80q / 60/ / I :, rt-::... V V .L- / / Y .)'
700L / / I / ... / I L / / / Y A 0l?
60L .' I J t.:%'
500 L /' / ./ V V . / L 50/ /"./ /' ./ I ;.--
400 L / /' /" ./ r---
/
77'"- --v,; / ,' /
.:..--r / 1:
:
/' -/ ..........
v L ./ V/,/ --:'" ./ i-';' Q
300 L .,/ 1/ i><- .,/....- ... .,/ / .......-r .v/ 1/ 'V ......---- : 1
,L 200 /-
100
'...-
30
-40 50 60
.-. ihl
-- o
70 80 90
Dry bulb temperature ("C)
I :'
e,.. ..
/'
" " "
b-
----100
, '.
: ..........
:r---I I
'''!!/ 's (Il:] "
' '19 C/'Yfh • ". I --.,.,.......
11 0
,....;. -"",:,,:,, ':'0 ... .
,.<.?1f -..
·V
120
.660
.640
.620
.600
.580
.560
.540
.520
.500
.480
.460
.440
.420
.400
.380
.360
.340
.320
.300
.280
.260
.240
.220
.200
.180
.160
.140
.120
.100
.080
.060
.040
.020
.000
III c co J:: Q) E
"C 0')
...... 0')
'6 'E :::l
J:: III :; "6 (f) ..c «
