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17.6. Calculate the values of the Rx for the two parts of Example 17.1. Boundary layers on flat plates are laminar only up to Rx 3.5 105 to 2.8 106. Are these values exceeded for the boundary layers in Example 17.1? .

17.6. Calculate the values of the Rx for the two parts of Example 17.1. Boundary layers on flat plates are laminar only up to Rx 3.5 105 to 2.8 106. Are these values exceeded for the boundary layers in Example 17.1? .

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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Answer 17.6!! 17.1 is listed for refe

Example 17.1. Calculate the boundary-layer thickness for: (a) A point on an airplane wing 2 ft from the leading edge, when the plane is flying 200 mi / h through air. (b) A point 2 ft from the bow of a ship, when the ship is moving 10 mi / h through water. For the airplane 8= 5. = 5.24-10-³ ft = 0.063 in = 1.60 mm and for the ship 1.61-10-4 ft²/s-2 ft 200 mi/h 5280 ft/mih/3600 s 8=5. 1.08-10-5 ft²/s. 2 ft 10 mi/h 5280 ft/mih/3600 s = 6.06 · 10−³ ft = 0.073 in = 1.8 mm 1/2 1/2 (17.B) (17.C)
Transcribed Image Text:Example 17.1. Calculate the boundary-layer thickness for: (a) A point on an airplane wing 2 ft from the leading edge, when the plane is flying 200 mi / h through air. (b) A point 2 ft from the bow of a ship, when the ship is moving 10 mi / h through water. For the airplane 8= 5. = 5.24-10-³ ft = 0.063 in = 1.60 mm and for the ship 1.61-10-4 ft²/s-2 ft 200 mi/h 5280 ft/mih/3600 s 8=5. 1.08-10-5 ft²/s. 2 ft 10 mi/h 5280 ft/mih/3600 s = 6.06 · 10−³ ft = 0.073 in = 1.8 mm 1/2 1/2 (17.B) (17.C)
17.6. Calculate the values of the Rx for the two parts of Example 17.1. Boundary layers on flat plates are laminar only up to Rx ≈3.5 105 to 2.8 106. Are these values exceeded for the boundary layers in Example 17.1?
Transcribed Image Text:17.6. Calculate the values of the Rx for the two parts of Example 17.1. Boundary layers on flat plates are laminar only up to Rx ≈3.5 105 to 2.8 106. Are these values exceeded for the boundary layers in Example 17.1?
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