20.39 Engine oil with properties given below flows at a rate of 136 kg per hour through a 7.5-cm-ID pipe whose inside surface is maintained at 100 C. If the oil enters at 160 C, what will its temperature be at the exit of a 15-m-long pipe? . Pr T, K p, kg/m³ Cp, J/kg K k, W/m k v, m²/s × 103 x 373 842 2,219 0.137 0.0203 276 393 831 2,306 0.135 0.0124 175 413 817 2,394 0.133 0.0080 116 433 808 2,482 0.132 0.0056 84

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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20.39 Engine oil with properties given below flows at a rate of
136 kg per hour through a 7.5-cm-ID pipe whose inside surface
is maintained at 100 C. If the oil enters at 160 C, what will its
temperature be at the exit of a 15-m-long pipe?
.
Pr
T, K p, kg/m³ Cp, J/kg K k, W/m k v, m²/s × 103
x
373
842
2,219
0.137
0.0203
276
393
831
2,306
0.135
0.0124
175
413
817
2,394
0.133
0.0080
116
433
808
2,482
0.132
0.0056
84
Transcribed Image Text:20.39 Engine oil with properties given below flows at a rate of 136 kg per hour through a 7.5-cm-ID pipe whose inside surface is maintained at 100 C. If the oil enters at 160 C, what will its temperature be at the exit of a 15-m-long pipe? . Pr T, K p, kg/m³ Cp, J/kg K k, W/m k v, m²/s × 103 x 373 842 2,219 0.137 0.0203 276 393 831 2,306 0.135 0.0124 175 413 817 2,394 0.133 0.0080 116 433 808 2,482 0.132 0.0056 84
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