An ideal Rankine cycle operates between tboiler P = 15 MPa and condenser P = 15 kPa. If the inlet T at the turbine is 773 K and the cycle produces Wnet = 2500 kW , what is the mass flow rate of the steam in kg/s. a. 1.993 b. 2.016 c. 1.856 d. 2.122
An ideal Rankine cycle operates between tboiler P = 15 MPa and condenser P = 15 kPa. If the inlet T at the turbine is 773 K and the cycle produces Wnet = 2500 kW , what is the mass flow rate of the steam in kg/s. a. 1.993 b. 2.016 c. 1.856 d. 2.122
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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An ideal Rankine cycle operates between tboiler P = 15 MPa and condenser P = 15 kPa. If the inlet T at the turbine is 773 K and the cycle produces Wnet = 2500 kW , what is the mass flow rate of the steam in kg/s.
a. 1.993
b. 2.016
c. 1.856
d. 2.122
Transcribed Image Text:Saturated water-Pressure table
50
10
15
Specific volume,
m3/kg
20
25
30
40
50
Internal energy,
kJ/kg
Sat.
Sat.
Sat.
Press., temp., liquid, vapor,
PkPa
Tat °C Vr
V₂
1.0
0.001000 129.19
6.97
13.02 0.001001 87.964
1.5
2.0 17.50 0.001001 66.990
2.5 21.08 0.001002 54.242
3.0 24.08 0.001003 45.654
4.0 28.96 0.001004 34.791 121.39 2293.1 2414.5 121.39 2432.3 2553.7 0.4224 8.0510 8.4734
5.0 32.87 0.001005 28.185 137.75 2282.1 2419.8 137.75 2423.0 2560.7 0.4762 7.9176 8.3938
7.5 40.29 0.001008 19.233 168.74 2261.1 2429.8 168.75 2405.3 2574.0 0.5763 7.6738 8.2501
45.81 0.001010 14.670 191.79 2245.4 2437.2 191.81 2392.1 2583.9 0.6492 7.4996 8.1488
53.97 0.001014 10.020 225.93 2222.1 2448.0 225.94 2372.3 2598.3 0.7549 7.2522 8.0071
60.06 0.001017 7.6481 251.40 2204.6 2456.0 251.42 2357.5 2608.9 0.8320 7.0752 7.9073
64.96 0.001020 6.2034 271.93 2190.4 2462.4 271.96 2345.5 2617.5 0.8932 6.9370 7.8302
69.09 0.001022 5.2287 289.24 2178.5 2467.7 289.27 2335.3 2624.6 0.9441 6.8234 7.7675
75.86 0.001026 3.9933 317.58 2158.8 2476.3 317.62 2318.4 2636.1 1.0261 6.6430 7.6691
81.32 0.001030 3.2403 340.49 2142.7 2483.2 340.54 2304.7 2645.2 1.0912 6.5019 7.5931
91.76 0.001037 2.2172 384.36 2111.8 2496.1 384.44 2278.0 2662.4 1.2132 6.2426 7.4558
100
99.61 0.001043 1.6941 417.40 2088.2 2505.6 417.51 2257.5 2675.0 1.3028 6.0562 7.3589
101.325 99.97 0.001043 1.6734 418.95 2087.0 2506.0 419.06 2256.5 2675.6 1.3069 6.0476 7.3545
2068.8 2513.0 444.36 2240.6 2684.9 1.3741 5.9100 7.2841
2052.3 2519.2 467.13 2226.0 2693.1 1.4337 5.7894 7.2231
75
125 105.97 0.001048 1.3750 444.23
150
111.35 0.001053 1.1594 466.97
Sat.
liquid,
U₁
Sat. Sat.
Sat.
vapor,
liquid, Evap., vapor,
hg Sy Sag
Sp
29.302 2355.2
54.686 2338.1
2384.5 29.303 2484.4 2513.7 0.1059 8.8690 8.9749
2392.8 54.688 2470.1 2524.7 0.1956 8.6314 8.8270
73.431 2325.5 2398.9 73.433 2459.5 2532.9 0.2606 8.4621 8.7227
88.422 2315.4 2403.8 88.424 2451.0 2539.4 0.3118 8.3302 8.6421
100.98 2306.9 2407.9 100.98 2443.9 2544.8 0.3543 8.2222 8.5765
Enthalpy,
kJ/kg
Evap.,
Sat.
vapor,
U₂
Entropy,
kJ/kg-K
Sat.
liquid, Evap.,
h₂
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