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 «