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b. What is the temperature at the top surface, T₁, of the stainless- steel plate? C. Based on the analysis above, what can you conclude about the heat-transfer resistance offered by the hydrodynamic boundary layer? bulk air flow 9 loss T∞ = 20 C boundary layer, h = 50 W/m²-K q stainless steel ks = 16 W/m-K electrical resistance heater (hot plate) T₁₁ = ? L = 1.6 cm T2 = 250 C 17.6 A stainless-steel plate 1.6-cm thick rests on top of a hot plate, which is maintained at 250 C. Air flows over the top surface of the plate to provide a convective heat-transfer coefficient of h = 50 W/m² K. The air temperature is main- tained at 20 C. a. What is the heat flux through the stainless-steel plate, in W/m²?

b. What is the temperature at the top surface, T₁, of the stainless- steel plate? C. Based on the analysis above, what can you conclude about the heat-transfer resistance offered by the hydrodynamic boundary layer? bulk air flow 9 loss T∞ = 20 C boundary layer, h = 50 W/m²-K q stainless steel ks = 16 W/m-K electrical resistance heater (hot plate) T₁₁ = ? L = 1.6 cm T2 = 250 C 17.6 A stainless-steel plate 1.6-cm thick rests on top of a hot plate, which is maintained at 250 C. Air flows over the top surface of the plate to provide a convective heat-transfer coefficient of h = 50 W/m² K. The air temperature is main- tained at 20 C. a. What is the heat flux through the stainless-steel plate, in W/m²?

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
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b. What is the temperature at the top surface, T₁, of the stainless- steel plate? C. Based on the analysis above, what can you conclude about the heat-transfer resistance offered by the hydrodynamic boundary layer? bulk air flow 9 loss T∞ = 20 C boundary layer, h = 50 W/m²-K q stainless steel ks = 16 W/m-K electrical resistance heater (hot plate) T₁₁ = ? L = 1.6 cm T2 = 250 C
Transcribed Image Text:b. What is the temperature at the top surface, T₁, of the stainless- steel plate? C. Based on the analysis above, what can you conclude about the heat-transfer resistance offered by the hydrodynamic boundary layer? bulk air flow 9 loss T∞ = 20 C boundary layer, h = 50 W/m²-K q stainless steel ks = 16 W/m-K electrical resistance heater (hot plate) T₁₁ = ? L = 1.6 cm T2 = 250 C
17.6 A stainless-steel plate 1.6-cm thick rests on top of a hot plate, which is maintained at 250 C. Air flows over the top surface of the plate to provide a convective heat-transfer coefficient of h = 50 W/m² K. The air temperature is main- tained at 20 C. a. What is the heat flux through the stainless-steel plate, in W/m²?
Transcribed Image Text:17.6 A stainless-steel plate 1.6-cm thick rests on top of a hot plate, which is maintained at 250 C. Air flows over the top surface of the plate to provide a convective heat-transfer coefficient of h = 50 W/m² K. The air temperature is main- tained at 20 C. a. What is the heat flux through the stainless-steel plate, in W/m²?
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