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16.1. A plant takes in water at 21°C, cools it to 0°C, and freezes it at this temperature, producing 0.5 kg-s¹ of ice. Heat rejection is at 21°C. The heat of fusion of water is 333.5 kJ-kg-1.

16.1. A plant takes in water at 21°C, cools it to 0°C, and freezes it at this temperature, producing 0.5 kg-s¹ of ice. Heat rejection is at 21°C. The heat of fusion of water is 333.5 kJ-kg-1.

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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16.1. A plant takes in water at 21°C, cools it to 0°C, and freezes it at this temperature, producing 0.5 kg-s¯ of ice. Heat rejection is at 21°C. The heat of fusion of water is 333.5 kJ-kg-¹. (a) What is Wideal for the process? (b) What is the power requirement of a single Carnot heat pump operating between 0 and 21°C? What is the thermodynamic efficiency of this process? What is its irreversible feature?
Transcribed Image Text:16.1. A plant takes in water at 21°C, cools it to 0°C, and freezes it at this temperature, producing 0.5 kg-s¯ of ice. Heat rejection is at 21°C. The heat of fusion of water is 333.5 kJ-kg-¹. (a) What is Wideal for the process? (b) What is the power requirement of a single Carnot heat pump operating between 0 and 21°C? What is the thermodynamic efficiency of this process? What is its irreversible feature?
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