A plane wall, 5 mx 5 m x 15 cm wide, in steady state, is exposed to two airstreams, one on el- ther side of the wall. The left side of the wall is exposed to an airstream of Too,1 = velocity of u∞,1 = 1 m/s. the right side of the wall is exposed to an airstream of T∞,2 = 25 °C and a = 200 °C and a velocity of U2 = 6 m/s. (40points) Air (stream 1; Tf≈ 350K) v = 20.92 x 106 m²/s, k = 0.0300 W/m.K, Pr = 0.700 Air (stream 2; T≈ 300K): v= 15.89 x 106 m²/s, k = 0.0263 W/m.K, Pr= 0.707 Thermophysical properties of the wall: k = 1 W/m.K, p = 545 kg/m³, and c = 2720 J/kg.K (a) Determine the average coefficients of convection on both sides of the wall. (b) Determine the average heat flux through the wall. Clearly indicate direction. (c) Determine the temperatures on both the left and right sides of the wall (in °C). Too,1 1400.1 15 cm Too,2 Uoo.2
A plane wall, 5 mx 5 m x 15 cm wide, in steady state, is exposed to two airstreams, one on el- ther side of the wall. The left side of the wall is exposed to an airstream of Too,1 = velocity of u∞,1 = 1 m/s. the right side of the wall is exposed to an airstream of T∞,2 = 25 °C and a = 200 °C and a velocity of U2 = 6 m/s. (40points) Air (stream 1; Tf≈ 350K) v = 20.92 x 106 m²/s, k = 0.0300 W/m.K, Pr = 0.700 Air (stream 2; T≈ 300K): v= 15.89 x 106 m²/s, k = 0.0263 W/m.K, Pr= 0.707 Thermophysical properties of the wall: k = 1 W/m.K, p = 545 kg/m³, and c = 2720 J/kg.K (a) Determine the average coefficients of convection on both sides of the wall. (b) Determine the average heat flux through the wall. Clearly indicate direction. (c) Determine the temperatures on both the left and right sides of the wall (in °C). Too,1 1400.1 15 cm Too,2 Uoo.2
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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