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A steam coil is immersed in a stirred heating tank Saturated steam at 7.50 bar condenses within the coil, and the condensate emerges at its saturation temperature. A solvent with a heat capacity of 2.30 kJ/kg. C is fed to the tank at a steady rate of 12.0 kg/min and a temperature of 25°C, and the heated solvent is discharged at the same rate. The tank is initially filled with 760 kg of solvent at 25°C, at which point the flows of both steam and solvent are commenced. The rate at which heat is transferred from the coil to the solvent is given by

A steam coil is immersed in a stirred heating tank Saturated steam at 7.50 bar condenses within the coil, and the condensate emerges at its saturation temperature. A solvent with a heat capacity of 2.30 kJ/kg. C is fed to the tank at a steady rate of 12.0 kg/min and a temperature of 25°C, and the heated solvent is discharged at the same rate. The tank is initially filled with 760 kg of solvent at 25°C, at which point the flows of both steam and solvent are commenced. The rate at which heat is transferred from the coil to the solvent is given by

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
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H.W.2 A steam coil is immersed in a stirred heating tank Saturated steam at 7.50 bar condenses within the coil, and the condensate emerges at its saturation temperature. A solvent with a heat capacity of 2.30 kJ/kg. °C is fed to the tank at a steady rate of 12.0 kg/min and a temperature of 25°C, and the heated solvent is discharged at the same rate. The tank is initially filled with 760 kg of solvent at 25°C, at which point the flows of both steam and solvent are commenced. The rate at which heat is transferred from the coil to the solvent is given by 1 Fourth year Modeling and Simulation Q (kJ/min) = UA (Tsteam -) -T) Dr. Suha Akram where UA = 11.5 kJ/min C. The tank is well stirred such that the temperature can be considered as spatially uniform and is the same as the outlet temperature. Derive a differential energy balance on the tank contents and calculate the time required to heat the solvent to an arbitrary temperature Tf (°C).
Transcribed Image Text:H.W.2 A steam coil is immersed in a stirred heating tank Saturated steam at 7.50 bar condenses within the coil, and the condensate emerges at its saturation temperature. A solvent with a heat capacity of 2.30 kJ/kg. °C is fed to the tank at a steady rate of 12.0 kg/min and a temperature of 25°C, and the heated solvent is discharged at the same rate. The tank is initially filled with 760 kg of solvent at 25°C, at which point the flows of both steam and solvent are commenced. The rate at which heat is transferred from the coil to the solvent is given by 1 Fourth year Modeling and Simulation Q (kJ/min) = UA (Tsteam -) -T) Dr. Suha Akram where UA = 11.5 kJ/min C. The tank is well stirred such that the temperature can be considered as spatially uniform and is the same as the outlet temperature. Derive a differential energy balance on the tank contents and calculate the time required to heat the solvent to an arbitrary temperature Tf (°C).
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