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Air at 20°C, 1 atm is blown over a flat plate at 3 m/s. The plate is 60 cm wide and 640 cm long and it is maintained at 90°C. (a) Determine the location in the flow direction that the flow transitions from laminar to turbulent. (b) Determine the rate of heat transfer from the plate. (c) There is some uncertainty in the critical Rey- nold's number. Determine what the rate of heat transfer would be if the critical Reynold's number is 45 x 10 and 5.5 x 10.

Air at 20°C, 1 atm is blown over a flat plate at 3 m/s. The plate is 60 cm wide and 640 cm long and it is maintained at 90°C. (a) Determine the location in the flow direction that the flow transitions from laminar to turbulent. (b) Determine the rate of heat transfer from the plate. (c) There is some uncertainty in the critical Rey- nold's number. Determine what the rate of heat transfer would be if the critical Reynold's number is 45 x 10 and 5.5 x 10.

Introduction to Chemical Engineering Thermodynamics
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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87 Air at 20°C, 1 atm is blown over a flat plate at 3 m/s. The plate is 60 cm wide and 640 cm long and it is maintained at 90°C. (a) Determine the location in the flow direction that the flow transitions from laminar to turbulent. (b) Determine the rate of heat transfer from the plate. (c) There is some uncertainty in the critical Rey- nold's number. Determine what the rate of heat transfer would be if the critical Reynold's number is 4.5 x 10 and 5.5 x 10.
Transcribed Image Text:87 Air at 20°C, 1 atm is blown over a flat plate at 3 m/s. The plate is 60 cm wide and 640 cm long and it is maintained at 90°C. (a) Determine the location in the flow direction that the flow transitions from laminar to turbulent. (b) Determine the rate of heat transfer from the plate. (c) There is some uncertainty in the critical Rey- nold's number. Determine what the rate of heat transfer would be if the critical Reynold's number is 4.5 x 10 and 5.5 x 10.
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