Find the specific volume and enthalpy of steam at 8 bar when the condition of steam is(i) Wet with dryness fraction 0.6(ii) Dry saturatedAbsoluteTemp.Specific enthalpy(kJ/kgiSpecific entropy(kJ[kg K)Specific volume(m/kg)pressure("C)(bar)7.0165.0697.12 064.92 762.01.991 84.7134 6.70520.0011080.2737.2166.1702.02061.12 763.22.003 14.6925 6.69560.0011100.2657.4167.2706.92057.42 764.32.014 14.672 16.686 20.0011110.2587.6168.3711.72 053.72765.42.024 94.6522 6.677 10.0011120.2527.8169.4716.32 050.12 766.42.035 44.632 8 6.668 30.0011140.2468.0170.4720.92046.52 767.52.045 74.6139 6.659 60.0011150.2408.2171.4725.42043.02 768.52.055 84.595 3 6.65110.0011160.2358.4172.4729.92 039.62 769.42.065 74.577 2 6.64290.0011180.2298.6173.4734.22 036.22770.42.07534.559 4 6.634 80.0011190.2248.8174.4738.52 032.82771.32.084 84.542 1 6.62690.0011200.2199.0175.4742.62 029.52772.12.094 14.5250 6.61920.0011210.2159.2176.3746.82 026.22773.02.103 34.508 3 6.61160.0011230.2109.4177.2750.82 023.02773.82.112 24.4920 6.60420.0011240.2069.6178.1754.82019.82774.62.12104.4759 6.596 90.0011250.2029.8179.0758.72016.72775.42:129 74.460 16.589 80.0011260.198

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Find the specific volume and enthalpy of steam at 8 bar when the condition of steam is (i) Wet with dryness fraction 0.6 (ii) Dry saturated

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Problem 1.1MA

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

Question

Find the specific volume and enthalpy of steam at 8 bar when the condition of steam is
(i) Wet with dryness fraction 0.6
(ii) Dry saturated
Absolute
Temp.
Specific enthalpy
(kJ/kgi
Specific entropy
(kJ[kg K)
Specific volume
(m/kg)
pressure
("C)
(bar)
7.0
165.0
697.1
2 064.9
2 762.0
1.991 8
4.7134 6.7052
0.001108
0.273
7.2
166.1
702.0
2061.1
2 763.2
2.003 1
4.6925 6.6956
0.001110
0.265
7.4
167.2
706.9
2057.4
2 764.3
2.014 1
4.672 1
6.686 2
0.001111
0.258
7.6
168.3
711.7
2 053.7
2765.4
2.024 9
4.6522 6.677 1
0.001112
0.252
7.8
169.4
716.3
2 050.1
2 766.4
2.035 4
4.632 8 6.668 3
0.001114
0.246
8.0
170.4
720.9
2046.5
2 767.5
2.045 7
4.6139 6.659 6
0.001115
0.240
8.2
171.4
725.4
2043.0
2 768.5
2.055 8
4.595 3 6.6511
0.001116
0.235
8.4
172.4
729.9
2 039.6
2 769.4
2.065 7
4.577 2 6.6429
0.001118
0.229
8.6
173.4
734.2
2 036.2
2770.4
2.0753
4.559 4 6.634 8
0.001119
0.224
8.8
174.4
738.5
2 032.8
2771.3
2.084 8
4.542 1 6.6269
0.001120
0.219
9.0
175.4
742.6
2 029.5
2772.1
2.094 1
4.5250 6.6192
0.001121
0.215
9.2
176.3
746.8
2 026.2
2773.0
2.103 3
4.508 3 6.6116
0.001123
0.210
9.4
177.2
750.8
2 023.0
2773.8
2.112 2
4.4920 6.6042
0.001124
0.206
9.6
178.1
754.8
2019.8
2774.6
2.1210
4.4759 6.596 9
0.001125
0.202
9.8
179.0
758.7
2016.7
2775.4
2:129 7
4.460 1
6.589 8
0.001126
0.198

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