A cooling coil of 1.0 ft of 304 stainless steel tubing having an inside diameter of 0.25 in. and an outside diameter of 0.40 in. is being used to remove heat from a bath. The temperature at the inside surface of the tube is 40°F and 80°F on the outside. The thermal conductivity of 304 stainless steel is a function of temperature. k=7.75 + 7.78 × 10-3 T

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
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3. A cooling coil of 1.0 ft of 304 stainless steel tubing having an inside diameter of 0.25 in. and an outside
diameter of 0.40 in. is being used to remove heat from a bath. The temperature at the inside surface of
the tube is 40°F and 80°F on the outside. The thermal conductivity of 304 stainless steel is a function of
temperature.
k= 7.75 + 7.78 × 10-3 T
where k is in btu/h · ft. °F and T is in °F. Calculate the heat removal in btu/s and watts.
Transcribed Image Text:3. A cooling coil of 1.0 ft of 304 stainless steel tubing having an inside diameter of 0.25 in. and an outside diameter of 0.40 in. is being used to remove heat from a bath. The temperature at the inside surface of the tube is 40°F and 80°F on the outside. The thermal conductivity of 304 stainless steel is a function of temperature. k= 7.75 + 7.78 × 10-3 T where k is in btu/h · ft. °F and T is in °F. Calculate the heat removal in btu/s and watts.
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