Page 47 - DJJ20063- Thermodynamics 1

DJJ20063- Thermodynamics 1

Table 2.3.4-3 Superheated steam at a pressure of 10 bar

p t 200 250 300 350 400 450 500 600

(ts)
v g 0.1944 v 0.2061 0.2328 0.2580 0.2825 0.3065 0.3303 0.3540 0.4010
10 u g 2584 u 2623 2711 2794 2875 2957 3040 3124 3297
(179.9)
h g 2778 h 2829 2944 3052 3158 3264 3370 3478 3698
s g 6.586 s 6.695 6.926 7.124 7.301 7.464 7.617 7.761 8.028

Example 2.4

Complete the missing properties in the following table for Superheated

Steam:
p t 300 350 400 450
(ts)

vg 0.0498 v 0.0800
40 ug 2602 u 2921
(250.3) hg 2801 h 3094
sg 6.070 s 6.364

Solution to Example 2.4

From page 7 of the steam tables, we can directly read

p t 300 350 400 450

(ts)

vg 0.0498 v 0.0588 0.0664 0.0733 0.0800
40 ug 2602 u 2728 2828 2921 3010

(250.3) hg 2801 h 2963 3094 3214 3330

sg 6.070 s 6.364 6.584 6.769 6.935

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