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Question 16: In 1-1 shell and tube heat exchanger, steam is condensing on the shell side at TS°C and the cold fluid is heated on the tube side form t,°C to 12°C. The following equation relates t2 to the other variables. Ts - t In Ts - t2 W C, UA Where U is the overall heat transfer coefficient , 'A' is the heat transfer Area. 'W' is the mass flow rate and 'Cp' is the heat capacity. The tube side coefficient is controlling and tube side is in the turbulent flow. (Use Dittus Bolter equation for the Calculation of 'U'). Ts = 100 , t1 = 40°C , t2 = 70°C If the mass rate flow is doubled and diameter is halved while keeping other conditions constant. The t2 is: A. 30 °C B. 49.54 °C C. 79.01°C D. 82.05°C

Question 16: In 1-1 shell and tube heat exchanger, steam is condensing on the shell side at TS°C and the cold fluid is heated on the tube side form t,°C to 12°C. The following equation relates t2 to the other variables. Ts - t In Ts - t2 W C, UA Where U is the overall heat transfer coefficient , 'A' is the heat transfer Area. 'W' is the mass flow rate and 'Cp' is the heat capacity. The tube side coefficient is controlling and tube side is in the turbulent flow. (Use Dittus Bolter equation for the Calculation of 'U'). Ts = 100 , t1 = 40°C , t2 = 70°C If the mass rate flow is doubled and diameter is halved while keeping other conditions constant. The t2 is: A. 30 °C B. 49.54 °C C. 79.01°C D. 82.05°C

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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Question 16: In 1-1 shell and tube heat exchanger, steam is condensing on the shell side at TS°C and the cold fluid is heated on the tube side form t;°C to t;°C. The following equation relates t2 to the other variables. Ts - t1 In Ts – t2 W C, UA S Where U is the overall heat transfer coefficient, 'A' is the heat transfer Area. 'W' is the mass flow rate and 'Cp' is the heat capacity. The tube side coefficient is controlling and tube side is in the turbulent flow. (Use Dittus Bolter equation for the Calculation of 'U'). Ts = 100 , t, = 40°C , t2 = 70°C If the mass rate flow is doubled and diameter is halved while keeping other conditions constant. The tz is: А. 30 °C B. 49.54 °C C. 79.01°C D. 82.05 °C
Transcribed Image Text:Question 16: In 1-1 shell and tube heat exchanger, steam is condensing on the shell side at TS°C and the cold fluid is heated on the tube side form t;°C to t;°C. The following equation relates t2 to the other variables. Ts - t1 In Ts – t2 W C, UA S Where U is the overall heat transfer coefficient, 'A' is the heat transfer Area. 'W' is the mass flow rate and 'Cp' is the heat capacity. The tube side coefficient is controlling and tube side is in the turbulent flow. (Use Dittus Bolter equation for the Calculation of 'U'). Ts = 100 , t, = 40°C , t2 = 70°C If the mass rate flow is doubled and diameter is halved while keeping other conditions constant. The tz is: А. 30 °C B. 49.54 °C C. 79.01°C D. 82.05 °C
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