Air flows through a smooth tube, 2.5 cm diameter and 10 m long, at 3 C. If the pressure drop through the tube is 10000 Pa, estimate (a) the air velocity through the tube and the friction factor (b) the heat transfer coefficient using Colburn Analogy (jH = (St)(Pr)0.67], where St is the Stanton Number and Pr is the Prandtl Number. Gas constant, R = 82.06 cm³.atm/mol.K. Darcy friction factor, f = 0.184/Re.2. Other relevant properties of air under the given conditions: viscosity = 1.8 x 10-5 kg/m.s, density = 1.134 kg/m, specific heat capacity, C, W/m.°C. %3D 1.046 kJ/kg.°C, thermal conductivity = 0.028
Air flows through a smooth tube, 2.5 cm diameter and 10 m long, at 3 C. If the pressure drop through the tube is 10000 Pa, estimate (a) the air velocity through the tube and the friction factor (b) the heat transfer coefficient using Colburn Analogy (jH = (St)(Pr)0.67], where St is the Stanton Number and Pr is the Prandtl Number. Gas constant, R = 82.06 cm³.atm/mol.K. Darcy friction factor, f = 0.184/Re.2. Other relevant properties of air under the given conditions: viscosity = 1.8 x 10-5 kg/m.s, density = 1.134 kg/m, specific heat capacity, C, W/m.°C. %3D 1.046 kJ/kg.°C, thermal conductivity = 0.028
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
![Air flows through a smooth tube, 2.5 cm diameter and 10 m long, at 37°C. If the pressure
drop through the tube is 10000 Pa, estimate
(a) the air velocity through the tube and the friction factor
(b) the heat transfer coefficient using Colburn Analogy [jH
the Stanton Number and Pr is the Prandtl Number.
(St)(Pr)0.67], where St is
Gas constant, R = 82.06 cm³.atm/mol.K. Darcy friction factor, ƒ = 0.184/Re.2. Other
relevant properties of air under the given conditions: viscosity = 1.8 x 10-5 kg/m.s, density
= 1.134 kg/m³, specific heat capacity, C, = 1.046 kJ/kg.°C, thermal conductivity = 0.028
W/m.°C.
%3D
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe58b6ccc-ea11-41c8-a87e-abf98326f6bd%2Ffdbae68f-71b4-4cc3-bed7-221d6ab8fd89%2Fg1vh0nm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Air flows through a smooth tube, 2.5 cm diameter and 10 m long, at 37°C. If the pressure
drop through the tube is 10000 Pa, estimate
(a) the air velocity through the tube and the friction factor
(b) the heat transfer coefficient using Colburn Analogy [jH
the Stanton Number and Pr is the Prandtl Number.
(St)(Pr)0.67], where St is
Gas constant, R = 82.06 cm³.atm/mol.K. Darcy friction factor, ƒ = 0.184/Re.2. Other
relevant properties of air under the given conditions: viscosity = 1.8 x 10-5 kg/m.s, density
= 1.134 kg/m³, specific heat capacity, C, = 1.046 kJ/kg.°C, thermal conductivity = 0.028
W/m.°C.
%3D
%3D
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The