Page 301 - Steam Turbines Design, Applications, and Rerating

135 bar 510 400 2.59 3.02 2.67 3.12 2.74 3.21 2.84 3.33 2.92 3.43 3.04 3.59 3.53 4.22 4.23 5.13 4.48 5.46 4.70 5.76 5.09 6.30 6.54 8.33 7.29 9.39 8.05 10.45 10.58 13.94

100 bar 480 400 2.70 2.99 2.80 3.10 2.87 3.19 2.98 3.32 3.07 3.42 3.21 3.58 3.77 4.25 4.59 5.23 4.89 5.60 5.16 5.93 5.65 6.53 7.54 8.93 8.60 10.25 9.73 11.63 13.95 16.70

62 bar 480 2.77 2.87 2.95 3.08 3.18 3.33 3.98 4.96 5.33 5.68 6.32 9.28 11.25 13.65 26.76
400 3.03 3.15 3.24 3.39 3.50 3.69 4.44 5.62 6.08 6.50 7.29 10.78 13.06 15.85 31.09

450 2.96 3.08 3.17 3.32 3.44 3.63 4.42 5.71 6.23 6.73 7.72 13.27 18.12 26.00 —
40 bar 400 3.12 3.26 3.36 3.52 3.65 3.86 4.74 6.19 6.78 7.34 8.43 14.48 19.78 28.38 —

350 3.31 3.45 3.56 3.74 3.88 4.11 5.09 6.71 7.38 8.02 9.28 16.02 21.86 31.38 —

400 3.20 3.34 3.45 3.63 3.77 4.00 4.99 6.68 7.40 8.11 9.58 19.69 32.45 — —
30 bar 350 3.39 3.54 3.66 3.85 4.01 4.26 5.36 7.26 8.09 8.89 10.53 21.63 35.63 — —

250 3.82 4.00 4.15 4.38 4.56 4.86 6.19 8.56 9.60 10.64 12.79 27.39 45.68 — —
Condensed Table of Theoretical Steam Rates (kg/kWh)
350 3.52 3.70 3.83 4.05 4.23 4.52 5.83 8.30 9.45 10.66 13.17 — — — —
20 bar 250 3.95 4.15 4.31 4.57 4.78 5.13 6.73 9.85 11.34 12.92 16.48 — — — —

250 4.27 4.52 4.73 5.07 5.34 5.81 8.14 13.83 17.26 21.61 — — — — — Computed from “Steam Tables, International Edition” by Keenan, Keyes, Hill and
10 bar
200 4.51 4.78 5.01 5.37 5.67 6.17 8.72 15.05 18.97 24.00 — — — — —

250 4.69 5.01 5.28 5.72 6.10 6.75 10.40 23.88 39.49 — — — — — —
5 bar Interpolate, where necessary, for approximate values.
200 4.96 5.31 5.60 6.08 6.49 7.21 11.27 26.72 44.22 — — — — — — Moore, copyright 1969 by John Wiley & Sons, Inc.

Inlet pressure, gauge Inlet temp., °C Exhaust pressure Gauge bar 0 2 3 4 6 15 20 25 40

14.4 Abs. mbar 50 75 100 150 200 300 1013.25

TABLE NOTE: SOURCE:

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