A steam coil iš immersed in a stirred heating tank (Felder and Rousseau*). Saturated steam at 7.50 bar condenses within the coil and the condensate emerges at its saturation temperature. A sol- rent with a heat capacity of 2.30 kJ/kg.°C is fed to the tank at a teady rate of 12.0 kg/min and a temperature of 25°C, and the eated solvent is discharged at the same rate. The tank is initially lled with 760 kg of solvent at 25°C, at which point the flows of oth steam and solvent are commenced. The rate at which heat is ansferred from the coil to the solvent is given by

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
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as the outlet temperature. Derive a differential energy balance on
Rousseau*). Saturated steam at 7.50 bar condenses within the coil
and the condensate emerges at its saturation temperature. A sol-
vent 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
the tank contents and calculate the time required to heat the solvent
temperature can be considered as spatially uniform and is the same
where UA = 11.5 kJ/min-°C. The tank is well stirred such that the
7. A steam coil is immersed in a stirred heating tank (Felder and
Q(kJ min) = UA(T.wam
where UA = 11.5 kJ/min-°C. The tank is well stirred such thát the
to an arbitrary temperature T,(°C).
Transcribed Image Text:as the outlet temperature. Derive a differential energy balance on Rousseau*). Saturated steam at 7.50 bar condenses within the coil and the condensate emerges at its saturation temperature. A sol- vent 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 the tank contents and calculate the time required to heat the solvent temperature can be considered as spatially uniform and is the same where UA = 11.5 kJ/min-°C. The tank is well stirred such that the 7. A steam coil is immersed in a stirred heating tank (Felder and Q(kJ min) = UA(T.wam where UA = 11.5 kJ/min-°C. The tank is well stirred such thát the to an arbitrary temperature T,(°C).
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