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Q2/ A counter-flow double-pipe heat exchanger is to heat water from 20 °C to 80 °C at a rate of 1.2 kg/s. 100 The heating is to be accomplished by geothermal water so available at 160 °C at a mass flow rate of 2 kg/s. The Ceig/Cmax0 inner tube is thin-walled and has a diameter of 1.5 cm. 60 The overall heat transfer coefficient of the heat exchanger is 640 W/m.C. Using the effectiveness- 40 Shell fluid NTU method determine the length of the heat 20 exchanger required to achieve the desired heating And Tube fluid if we change one tube pass by 4 tube passes what is the new total surface tubes areal and how that would affect Number of transfer units NTU = A,UICio %3D the efficiency of heat exchanger? (c) One-shell pass and 2, 4, 6) tube passes ... NTU In Cpwater- 4.18 kJ/kg•C ,Cgeothermal =4.31 kJ/kg-C Effective ness e.

Q2/ A counter-flow double-pipe heat exchanger is to heat water from 20 °C to 80 °C at a rate of 1.2 kg/s. 100 The heating is to be accomplished by geothermal water so available at 160 °C at a mass flow rate of 2 kg/s. The Ceig/Cmax0 inner tube is thin-walled and has a diameter of 1.5 cm. 60 The overall heat transfer coefficient of the heat exchanger is 640 W/m.C. Using the effectiveness- 40 Shell fluid NTU method determine the length of the heat 20 exchanger required to achieve the desired heating And Tube fluid if we change one tube pass by 4 tube passes what is the new total surface tubes areal and how that would affect Number of transfer units NTU = A,UICio %3D the efficiency of heat exchanger? (c) One-shell pass and 2, 4, 6) tube passes ... NTU In Cpwater- 4.18 kJ/kg•C ,Cgeothermal =4.31 kJ/kg-C Effective ness e.

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/ A counter-flow double-pipe heat exchanger is to heat water from 20 °C to 80 °C at a rate of 1.2 kg/s. 100 The heating is to be accomplished by geothermal water Croig Cmax 0 050 available at 160 °C at a mass flow rate of 2 kg/s. The 80 25 inner tube is thin-walled and has a diameter of 1.5 cm. 075 60 The overall heat transfer coefficient of the heat exchanger is 640 W/m.C. Using the effectiveness- 40 Shell luid NTU method determine the length of the heat exchanger required to achieve the desired heating And 20 Tube fluid if we change one tube pass by 4 tube passes what is the new total surface tubes areal and how that would affect Number of transfer units NTU = A,UICmin (c) One-shell pass and 2, 4, 6) the efficiency of heat exchanger? tube passes ... Cpwater 4.18 kJ/kg-C .Cgeothermal -4.31 kJ/kg-C NTU Effective ness e,
Transcribed Image Text:Q2/ A counter-flow double-pipe heat exchanger is to heat water from 20 °C to 80 °C at a rate of 1.2 kg/s. 100 The heating is to be accomplished by geothermal water Croig Cmax 0 050 available at 160 °C at a mass flow rate of 2 kg/s. The 80 25 inner tube is thin-walled and has a diameter of 1.5 cm. 075 60 The overall heat transfer coefficient of the heat exchanger is 640 W/m.C. Using the effectiveness- 40 Shell luid NTU method determine the length of the heat exchanger required to achieve the desired heating And 20 Tube fluid if we change one tube pass by 4 tube passes what is the new total surface tubes areal and how that would affect Number of transfer units NTU = A,UICmin (c) One-shell pass and 2, 4, 6) the efficiency of heat exchanger? tube passes ... Cpwater 4.18 kJ/kg-C .Cgeothermal -4.31 kJ/kg-C NTU Effective ness e,
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