Cold water enters a counter-flow heat exchanger at 10°C at a rate of 8 kg/s, where it is heated by a hot-water stream that enters the heat exchanger at 70°C at a rate of 2 kg/s. Assuming the specific heat of water to remain constant at cp = 4.18 kJ/kg?K, determine the maximum heat transfer rate and the outlet temperatures of the cold- and the hot-water streams for this limiting case.
Cold water enters a counter-flow heat exchanger at 10°C at a rate of 8 kg/s, where it is heated by a hot-water stream that enters the heat exchanger at 70°C at a rate of 2 kg/s. Assuming the specific heat of water to remain constant at cp = 4.18 kJ/kg?K, determine the maximum heat transfer rate and the outlet temperatures of the cold- and the hot-water streams for this limiting case.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 69P: An aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm2 is inserted into a...
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Cold water enters a counter-flow heat exchanger at 10°C at a rate of 8 kg/s,
where it is heated by a hot-water stream that enters the heat exchanger at
70°C at a rate of 2 kg/s. Assuming the specific heat of water to remain
constant at cp = 4.18 kJ/kg?K, determine the maximum
and the outlet temperatures of the cold- and the hot-water streams for this
limiting case.
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