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Air at 200C and at a pressure of 1 bar is flowing over a flat plate at a velocity of 3 m/s. If the plate is 280 mm wide and at 560C, calculate the following quantities at x = 280 mm given that properties of air at the bulk mean temperature 20 + 56/2= 380C are: (i) Boundary layer thickness, (ii) Local friction coefficient, (iii) Average friction coefficient, (iv) Shearing stress due to friction (v) Thickness of the boundary layer, (vi) Local convective heat transfer coefficient, (vii) Average convective heat transfer coefficient, (viii) Rate of heat transfer by convection (ix) Total drag force on the plate, and (x) Total mass flow rate through the boundary

Air at 200C and at a pressure of 1 bar is flowing over a flat plate at a velocity of 3 m/s. If the plate is 280 mm wide and at 560C, calculate the following quantities at x = 280 mm given that properties of air at the bulk mean temperature 20 + 56/2= 380C are: (i) Boundary layer thickness, (ii) Local friction coefficient, (iii) Average friction coefficient, (iv) Shearing stress due to friction (v) Thickness of the boundary layer, (vi) Local convective heat transfer coefficient, (vii) Average convective heat transfer coefficient, (viii) Rate of heat transfer by convection (ix) Total drag force on the plate, and (x) Total mass flow rate through the boundary

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Air at 200C and at a pressure of 1 bar is flowing over a flat plate at a velocity of 3 m/s. If the plate is 280 mm wide and at 560C, calculate the following quantities at x = 280 mm given that properties of air at the bulk mean temperature 20 + 56/2= 380C are:


(i) Boundary layer thickness,
(ii) Local friction coefficient,
(iii) Average friction coefficient,
(iv) Shearing stress due to friction
(v) Thickness of the boundary layer,
(vi) Local convective heat transfer coefficient,
(vii) Average convective heat transfer coefficient,
(viii) Rate of heat transfer by convection
(ix) Total drag force on the plate, and
(x) Total mass flow rate through the boundary

p = 1.374 kg/m³; k = 0.02732 W/m°C; cp 1.005 kj/kgK; v = 16.786 × 10° m²/s; Pr = 0.7.
Transcribed Image Text:p = 1.374 kg/m³; k = 0.02732 W/m°C; cp 1.005 kj/kgK; v = 16.786 × 10° m²/s; Pr = 0.7.
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