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Termodinamica - Cengel 7th - espanhol

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951

APÉNDICE 1

7.5

7.0

6.5

6.0

0.50

T R

0.60

0.70

0.55

0.65

Líquido saturado

5.5

0.80

0.75

————–

RT cr

Desviación de entalpía Z h = = h ideal – h

–– ––

h ideal – h

————–

R u T cr

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

0.75

0.80

0.85

Vapor saturado

0.90

0.90

0.95

0.92

0.94

1.00

0.96

0.98

1.10

1.20

1.30

1.50

2.00

0.90

0.85

0.94

0.92

0.98 0.96

1.00

1.02 1.04

1.06 1.08

1.10 1.15

1.20

1.25

1.30

1.40

1.50

1.60

1.70

1.80

1.90

2.00

2.20

2.40

2.60

2.80

3.00

4.00

0.1 0.2 0.3 0.4 0.5 1.0 2.0 3.0 4.05.0 10 20 30

Presión reducida, P R

————–

RT cr

Desviación de entalpía Z h = = h ideal – h

–– ––

h ideal – h

————–

R u T cr

0.500

0.400

0.300

0.200

0.100

0.000

Vapor saturado

0.80

T = 0.90

R

T R

= 0.90

1.00

1.10

1.20

1.40

1.60

2.00

0 0.05 0.10 0.15 0.20 0.25 0.30

FIGURA A-29

Carta generalizada de desviación de

entalpía.

Fuente: John R. Howell y Richard O. Buckius,

Fundamentals of Engineering Thermodynamics,

versión SI, Nueva York, McGraw-Hill, 1987, p. 558,

Fig. C.2 y p. 561, Fig C.5.

P R

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