A horizontal shell and tube heat exchanger (HE) with 2 passes is used to heat the air via hot oil.Air enters the tube side of the heat exchanger at 18C and a total mass flow rate of 2kgs-1, while oil enters the shell side at 190C and a total mass flow rate of 1.5kgs-1. There are 30 tubes and each tube has an average diameter of 1.5cm and a 10m length. You may assume the heat specific capacity of air and oil are 1.01 kJ kg-1K-1 and 2.5 kJ kg-1K-1, respectively, and the overall heat transfer coefficient is 100 Wm-2. Calculate the heat transfer rate and the outlet temperature of each fluid.
A horizontal shell and tube heat exchanger (HE) with 2 passes is used to heat the air via hot oil.Air enters the tube side of the heat exchanger at 18C and a total mass flow rate of 2kgs-1, while oil enters the shell side at 190C and a total mass flow rate of 1.5kgs-1. There are 30 tubes and each tube has an average diameter of 1.5cm and a 10m length. You may assume the heat specific capacity of air and oil are 1.01 kJ kg-1K-1 and 2.5 kJ kg-1K-1, respectively, and the overall heat transfer coefficient is 100 Wm-2. Calculate the heat transfer rate and the outlet temperature of each fluid.
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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A horizontal shell and tube heat exchanger (HE) with 2 passes is used to heat the air via hot oil.Air enters the tube side of the heat exchanger at 18C and a total mass flow rate of 2kgs-1, while oil enters the shell side at 190C and a total mass flow rate of 1.5kgs-1. There are 30 tubes and each tube has an average diameter of 1.5cm and a 10m length. You may assume the heat specific capacity of air and oil are 1.01 kJ kg-1K-1 and 2.5 kJ kg-1K-1, respectively, and the overall heat transfer coefficient is 100 Wm-2.
Calculate the heat transfer rate and the outlet temperature of each fluid.
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