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Termodinamica - Cengel 7th - espanhol

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T =

-60

-60

0.00

-20

-20

20

60

140

20

60

140

180

220

260

340

380

420

460

500

540

580

620

980

TABLAS DE PROPIEDADES, FIGURAS Y DIAGRAMAS (UNIDADES INGLESAS)

Presión, psia

–20 20 60 100 140

180 220 260

3000

3000

2000

1000

400

200

100

40

20

10

4

2

95

-0.04

-0.02

90

0.1

saturado

Líquido

0.02

85

R-134a

0.2

0.04

0.3

0.06

80

0.4

0.08

T = 100°F

T = 100°F

0.10

0.5

lbm/ft3 3 lbm/ft 75

0.12

0.6

70

0.14

0.7

0.16

65

180

0.8

0.18

0.9

60

0.20

220

0.22

-60

55

Vapor saturado

0.24

-20

0.26

50

0.28

45

100

40

0.32

Btu/lbm·R

s = 0.30

35

0.34

30

T = 300° F

0.36

24

0.38

lbm/ft3 lbm/ft 3

18 Densidad =

0.40

0.42

s =

0.44

0.42

12

9.6

7.2

0.46

4.8

3.6

2.4

1.8

1.2

0.96

0.72

0.48

0.36

0.24

0.18

0.12

0.096

0.072

0.048

0.036

0.024

0.018

0.012

1

1

–20 20 60 100 140

180 220 260

Entalpía, Btu/lbm

2000

1000

400

200

100

40

20

10

4

2

FIGURA A-14E

Dia gra ma P-h pa ra el re fri ge ran te 134a.

Reim pre so con au to ri za ción de la Ame ri can So ciety of Hea ting, Re fri ge ra ting and Air-Con di tio ning En gi neers, Inc., Atlan ta, Geor gia.

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