px 10³ beg 10³
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
The surface temperature of a pipe with an inner diameter of 30 mm and a length of 1 m is constant and is 93.4 °C. air at an average temperature of 37.8 ° C, at a pressure of 1 atmosphere, flows through this pipe at a surface temperature of 7.0: a) Calculate the convective transfer rate by calculating the convective heat transfer coefficient on the inner side of the pipe. b) Calculate the inlet and outlet temperatures of the air into the pipe
Transcribed Image Text:A.3-3 Physical Properties of Air at 101.325 kPa (1 Atm Abs), SI Units
x 10s-bes
T
or
k
(K) (kg/m³) (kJ/kg-K) kg/m^s) (W/m-K) Npr
T
(°C)
1.62
1.72
1.78
1.0048
1.90
2.03
1.0090
1.0090 2.15
2.27
1.0132
2.37
2.50
2.60
2.71
2.80
1.0048
1.0048
1.0048
-17.8
255.4 1.379
0 273.2 1.293
10.0 283.2 1.246
37.8 311.0 1.137
65.6 338.8 1.043
93.3 366.5 0.964
121.1 394.3 0.895
148.9 422.1 0.838 1.0174
176.7 449.9 0.785
1.0216
204.4 477.6 0.740
232.2 505.4 0.700
260.0 533.2 0.662
1.0258
1.0300
1.0341
0.02250 0.720
0.02423 0.715
0.02492 0.713
B × 10³
(J/K)
3.92
3.65
3.53
0.02700 0.705
3.22
0.02925 0.702 2.95
0.03115 0.694
2.74
0.03323 0.692 2.54
0.03531 0.689 2.38
0.03721 0.687 2.21
0.03894 0.686 2.09
0.04084 0.684
1.98
0.04258 0.680
1.87
9Bp²/²
(1/K-m³)
2.79 × 108
2.04 x 108
1.72 x 108
1.12 x 108
0.775 x 108
0.534 x 108
0.386 x 108
0.289 x 108
0.214 x 108
0.168 x 108
0.130 x 108
0.104 x 108
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