Chickens with an average mass of 2.2 kg and average specific heat of 3.54 kJ/kgC are to be cooled by chilled water that enters a continuous-flow-type immersion chiller at 0.5C and leaves at 2.5C. Chickens are dropped into the chiller at a uniform temperature of 15C at a rate of 250 chickens per hour and are cooled to an average temperature of 3C before they are taken out. The chiller gains heat from the surroundings at 25C at a rate of 150 kJ/h. Determine (a) the rate of heat removal from the chickens, in kW, and (b) the rate of entropy generation during this chilling process.
Chickens with an average mass of 2.2 kg and average specific heat of 3.54 kJ/kgC are to be cooled by chilled water that enters a continuous-flow-type immersion chiller at 0.5C and leaves at 2.5C. Chickens are dropped into the chiller at a uniform temperature of 15C at a rate of 250 chickens per hour and are cooled to an average temperature of 3C before they are taken out. The chiller gains heat from the surroundings at 25C at a rate of 150 kJ/h. Determine (a) the rate of heat removal from the chickens, in kW, and (b) the rate of entropy generation during this chilling process.
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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Chickens with an average mass of 2.2 kg and average
specific heat of 3.54 kJ/kgC are to be cooled by chilled
water that enters a continuous-flow-type immersion chiller
at 0.5C and leaves at 2.5C. Chickens are dropped into the
chiller at a uniform temperature of 15C at a rate of 250
chickens per hour and are cooled to an average temperature
of 3C before they are taken out. The chiller gains heat from
the surroundings at 25C at a rate of 150 kJ/h. Determine
(a) the rate of heat removal from the chickens, in kW, and
(b) the rate of entropy generation during this chilling process.
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