Q5: Cooling water at a steady rate of 0.5 kg/s flows through an inner tube having inner diameter of 25 mm and length of 10 m of a tube in tube condenser. The mean inlet temperature of cooling water is 10°C. Saturated steam condenses in the annulus at a uniform rate such that the inner surface temperature of the tube is constant throughout the length of the tube at 40°C. The average condensing side heat-transfer coefficient is 10000 W/m2 K. Neglect the thickness of the heat exchanger tube. Calculate the effectiveness of the heat exchanger and the exit water temperature. Properties of water are: ん Specific heat 4180 J/kg K ,Dynamic viscosity 0.8 x 10 Pas and %3D Thermal conductivity 0.57 W/m K.
Q5: Cooling water at a steady rate of 0.5 kg/s flows through an inner tube having inner diameter of 25 mm and length of 10 m of a tube in tube condenser. The mean inlet temperature of cooling water is 10°C. Saturated steam condenses in the annulus at a uniform rate such that the inner surface temperature of the tube is constant throughout the length of the tube at 40°C. The average condensing side heat-transfer coefficient is 10000 W/m2 K. Neglect the thickness of the heat exchanger tube. Calculate the effectiveness of the heat exchanger and the exit water temperature. Properties of water are: ん Specific heat 4180 J/kg K ,Dynamic viscosity 0.8 x 10 Pas and %3D Thermal conductivity 0.57 W/m K.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Transcribed Image Text:Q5: Cooling water at a steady rate of 0.5 kg/s flows through an inner tube
having inner diameter of 25 mm and length of 10 m of a tube in tube condenser.
The mean inlet temperature of cooling water is 10°C. Saturated steam
condenses in the annulus at a uniform rate such that the inner surface
temperature of the tube is constant throughout the length of the tube at 40°C.
The average condensing side heat-transfer coefficient is 10000 W/m2 K. Neglect
the thickness of the heat exchanger tube. Calculate the effectiveness of the heat
exchanger and the exit water temperature. Properties of water are:
n M.
Specific heat = 4180 J/kg K ,Dynamic viscosity 0.8 x 10 Pas and
Thermal conductivity 0.57 W/m K.
%3D
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