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Q2. An annulus consists of the region between two concentric tubes having diameters of 3 cm and 5 cm. Ethylene glycol flows in this space at a velocity of 5 m/s. The entrance temperature is 20-C, and the exit temperature is 45°C. Only the inner tube is a heating surface, and it is maintained constant at 75-C. Calculate the length of annulus necessary to effect the heat transfer.

Q2. An annulus consists of the region between two concentric tubes having diameters of 3 cm and 5 cm. Ethylene glycol flows in this space at a velocity of 5 m/s. The entrance temperature is 20-C, and the exit temperature is 45°C. Only the inner tube is a heating surface, and it is maintained constant at 75-C. Calculate the length of annulus necessary to effect the heat transfer.

Introduction to Chemical Engineering Thermodynamics
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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Q2. An annulus consists of the region between two concentric tubes having diameters of 3 cm and 5 cm. Ethylene glycol flows in this space at a velocity of 5 m/s. The entrance temperature is 20°C, and the exit temperature is 45°C. Only the inner tube is a heating surface, and it is maintained constant at 75-C. Calculate the length of annulus necessary to effect the heat transfer. TH
Transcribed Image Text:Q2. An annulus consists of the region between two concentric tubes having diameters of 3 cm and 5 cm. Ethylene glycol flows in this space at a velocity of 5 m/s. The entrance temperature is 20°C, and the exit temperature is 45°C. Only the inner tube is a heating surface, and it is maintained constant at 75-C. Calculate the length of annulus necessary to effect the heat transfer. TH
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