Steam undergoes an Isentropic process where it is initially at 1.05 MPa and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find the tsat2, dryness, and enthalpy change. (69.10C, 90.4%, -657.34 kJ/kg)
Steam undergoes an Isentropic process where it is initially at 1.05 MPa and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find the tsat2, dryness, and enthalpy change. (69.10C, 90.4%, -657.34 kJ/kg)
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
Related questions
Question
Use the given values at the table. Do not round off it.
Transcribed Image Text:Steam undergoes an Isentropic process where it is initially at 1.05 MPa
and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find
the tsat2, dryness, and enthalpy change. (69.1oC, 90.4%, -657.34 kJ/kg)
1.05 (182.04)
(t Sat.)
1.0 (179.91)
10 v
10 v
6.5696
Sat.
6.5865
185.60 2585.1 2780.0
194.44 2583.6 2778.1
179.07 2532.0 2711.1
182.29 2542.9 2725.1 6.4669
185.43 2553.4 2738.9
188.50 2563.8 2752.3
150
155
160
165
170
6.4342
6.4984
6.3289
172.60 2539.2 2720.4
175.66 2550.0 2734.5
178.64 2560.6
6.4356
6.4678
2748.2
6.4989
175
180
185
190
195
6.5289
6.5580
191.53 2573,9 2765.4
194.50 2583.8 2778.3 6.5870
197.42 2593.6 2791.0 6.6148
200.30 2603.2 2803.5 6.6419
203.15 2612.6 2815.8 6.6682
181.56 2570.9 2761.6
184.44 2581.0 · 2774.7
187.26 2590.9 2787.5 6.5863
190.04 2600.7 2800.2 6.6137
192.79 2610.2 2812.7 6.6405
6.5584
206.0 2621.9 2827.9 6.6940
211.5 2640.2 2851.7 6.7437
216.9 2658.0 2874.9 6.7914
222.2 2675.6 2897.8 6.8374
227.5 2692.9 2920.4 6.8817
195.49 2619.7 2824.9 5.6666
200.81 2638.1 2849.0 6.7169
206.02 2656.2 2872.5 6.7651
211.14 2673.9 2895.6 6.8114
216.18 2691.3 2918.3
200
210
220
230
240
6.8561
232.7 2709.9 2942.6 6.9247
237.8 2726.8 2964.6 6.9664
242.9 2743.6 2986.5 7.0069
248.0 2760.2 3008.2 7.0465
253.0 2776.7 3029.7 7.0851
221.2 2708.5 2940.7
226.1 2725.5 2962.9
231.0 2742.3 2984.8
235.8 2759.1 3006.6
240.6 2775.7 3028.3
6.8994
6.9414
6.9822
7.0219
7.0607
250
260
270
280
290
245.3 2792.2 3049.8
250.1 2808.7 3071.3 7.1358
254.8 2825.2 3092.7
259.5 2841.6 3114.1
264.1 2858.0 3135.4
300
310
320
330
340
7.0986
257.9 2793.2 3051.2 7.1229
262.9 2809.7 3072.6 7.1599
267.8 2826.1 3093.9 7.1962
272.7 2842.5 3115.2 7.2318
277.6 2858.8 3136.4 7.2667
7.1722
7.2079
7.2429
Specific Volume
St.
Sat.
Vapor
Liquid
10S
10'v
Internal Energy
Sat,
Liquid
Enthalpy
Sat,
Liquid
hy
Entropy
Prems.
MP
Sat.
Vapor
Sat.
Liquid
Sat.
Vapor
Temp
Evap.
Sat.
Vapor
Evap.
Evap.
t.
u,
h,
Su
.025
.026
.027
.028
.029
64.97 1.0199
65.85 1.0204
66.70 1.0209
1.0214
6204.
5980.
5772.
5579.
5398.
271.90 2191.2 2463.1
275.58 2188.7 2464.2
279.14 2186.2 2465.3
282.60 2183.8 2466.4
285.95 2181.5 2467.4
271.93 2346.3 2618.2
275.61 2344.1 2619.7
279.17 2342.0 2621.2
282.62 2340.0 2622.6
285.98 2338.0 2624.0
.8931 6.9383 7.8314.
9040 6.9139 7.8179
9145 6.8904 7.8049
.9246 6.8678 7.7924
9344 6.8459 7.7803
67.53
68.33
1.0218
.9439 6.8247 7.7686
9622 6.7843 7.7465
9793 6.7463 7.7257
9956 6.7104 7.7061
1.0111 6.6764 7.6876
2336.1 2625.3
.030
.032
.034
.036
.038
69.10 1.0223
70.60 1.0232
72.01 1.0241
73.36 1.0249
74.64
5229.
4922.
650.
4408.
4190.
289.20 2179.2 2468.4
295.45 2174.9 2470.3
301.37 2170.8 2472.1
307.01 2166.8 2473.8
312.39 2163.1 2475.5
289.2.
295.48 2332.4 2627.8
301.40 2328.8 2630.2
307.05 2325.5 2632.5
312.43 2322.3 2634.7
1.0257
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