2.7-6. Energy Balance on a Flow System with a Pump and Heat Exchanger. Water stored in a large, well-insulated storage tank at 21.0°C and atmospheric pressure is being pumped at steady state from this tank by a pump at the rate of 40 m³/h. The motor driving the pump supplies energy at the rate of 8.5 kW. The water is used as a cooling medium and passes through a heat exchanger, where 255 kW of heat is added to the water. The heated water then flows to a second large, vented tank, which is 25 m above the first tank. Determine the final temperature of the water delivered to the second tank.

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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2.7-6. Energy Balance on a Flow System with a Pump and Heat Exchanger. Water stored
in a large, well-insulated storage tank at 21.0°C and atmospheric pressure is being
pumped at steady state from this tank by a pump at the rate of 40 m²/h. The motor
driving the pump supplies energy at the rate of 8.5 kW. The water is used as a cooling
medium and passes through a heat exchanger, where 255 kW of heat is added to the
water. The heated water then flows to a second large, vented tank, which is 25 m
above the first tank. Determine the final temperature of the water delivered to the
second tank.
Transcribed Image Text:2.7-6. Energy Balance on a Flow System with a Pump and Heat Exchanger. Water stored in a large, well-insulated storage tank at 21.0°C and atmospheric pressure is being pumped at steady state from this tank by a pump at the rate of 40 m²/h. The motor driving the pump supplies energy at the rate of 8.5 kW. The water is used as a cooling medium and passes through a heat exchanger, where 255 kW of heat is added to the water. The heated water then flows to a second large, vented tank, which is 25 m above the first tank. Determine the final temperature of the water delivered to the second tank.
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