Part_2 The container filled with 5 kg of water is cooled with the water-glycolsolutionwhich flows in a pipe immersed in the container. The initial temperature of water is 5°C and the process is continued till wateris completely frozen and its temperature is equal to -9°C. During the process temperature of water-glycol solution at the inlet and outlet is kept at the -20°C and -18°C, respectively. Heat is transferred from the container to the water-glycol solution and 6 kJ of heat was transferred to water container from the surroundings. Determine (a) the mass of water-glycol solution neededto freeze the water, (b) heat transferred to water-glycol solution and (c)entropy generation. Specific heat of water, ice and water-glycol solution are 4.2 kJ/(kgK), 2.1 kJ/(kgK) and 3.7 kJ/(kgK), respectively. Latent heat of water is 333 kJ/kg. The temperature of surroundings is 10°C.
Part_2 The container filled with 5 kg of water is cooled with the water-glycolsolutionwhich flows in a pipe immersed in the container. The initial temperature of water is 5°C and the process is continued till wateris completely frozen and its temperature is equal to -9°C. During the process temperature of water-glycol solution at the inlet and outlet is kept at the -20°C and -18°C, respectively. Heat is transferred from the container to the water-glycol solution and 6 kJ of heat was transferred to water container from the surroundings. Determine (a) the mass of water-glycol solution neededto freeze the water, (b) heat transferred to water-glycol solution and (c)entropy generation. Specific heat of water, ice and water-glycol solution are 4.2 kJ/(kgK), 2.1 kJ/(kgK) and 3.7 kJ/(kgK), respectively. Latent heat of water is 333 kJ/kg. The temperature of surroundings is 10°C.
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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Part_2
The container filled with 5 kg of water is cooled with the water-glycolsolutionwhich flows in a pipe immersed in the container. The initial temperature of water is 5°C and the process is continued till wateris completely frozen and its temperature is equal to -9°C. During the process temperature of water-glycol solution at the inlet and outlet is kept at the -20°C and -18°C, respectively. Heat is transferred from the container to the water-glycol solution and 6 kJ of heat was transferred to water container from the surroundings. Determine (a) the mass of water-glycol solution neededto freeze the water, (b) heat transferred to water-glycol solution and (c)entropy generation. Specific heat of water, ice and water-glycol solution are 4.2 kJ/(kgK), 2.1 kJ/(kgK) and 3.7 kJ/(kgK), respectively. Latent heat of water is 333 kJ/kg. The temperature of surroundings is 10°C.
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