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Consider a solid slab (thermal conductivity, k = 10 W × m-1 × K-1 ) with thickness 0.2 m and of infinite extent in the other two directions as shown in the figure. Surface 2, at 300 K, is exposed to a fluid flow at a free stream temperature ( T ) of 293 K, with a convective heat transfer coefficient (h) of 100 W m-2.K-1. Surface 2 is opaque, diffuse and gray with an emissivity ( e ) of 0.5 and exchanges heat by radiation with very large surroundings at 0 K. Radiative heat transfer inside the solid slab is neglected. The Stefan-Boltzmann constant is 5.67 x 10-8 W × m-2 × K-4 . The temperature T1 of Surface 1 of the slab, under steady-state conditions, is _________ K (round off to the nearest integer).
    Correct answer is '318.59'. Can you explain this answer?
    Most Upvoted Answer
    Consider a solid slab (thermal conductivity, k = 10 W × m-1 &tim...
    Given:-
    Thermal conductivity (k ) = 10 W/mk
    Thickness (L) = 0.2 m
    Temperature at surface (2) (T2 ) = 300 k
    Heat transfer coefficient (h) = 100 W/m2
    Emissivity of surface (2) (ε) = 0.5
    Surrounding temperature (T) = 293 k
    Temperature of large surrounding (Tlarge ) = 0k
    Stefan boltzman constant (σ) = 5.67 x 10-8 w/m2 k4


    t1 = 318.59 k
    Hence, the correct answer is 318.59 k.
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    Consider a solid slab (thermal conductivity, k = 10 W × m-1 × K-1 ) with thickness 0.2 m and of infinite extent in the other two directions as shown in the figure. Surface 2, at 300 K, is exposed to a fluid flow at a free stream temperature ( T∞ ) of 293 K, with a convective heat transfer coefficient (h) of 100 W m-2.K-1. Surface 2 is opaque, diffuse and gray with an emissivity ( e ) of 0.5 and exchanges heat by radiation with very large surroundings at 0 K. Radiative heat transfer inside the solid slab is neglected. The Stefan-Boltzmann constant is 5.67 x 10-8 W × m-2 × K-4 . The temperature T1 of Surface 1 of the slab, under steady-state conditions, is _________ K (round off to the nearest integer).Correct answer is '318.59'. Can you explain this answer?
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    Consider a solid slab (thermal conductivity, k = 10 W × m-1 × K-1 ) with thickness 0.2 m and of infinite extent in the other two directions as shown in the figure. Surface 2, at 300 K, is exposed to a fluid flow at a free stream temperature ( T∞ ) of 293 K, with a convective heat transfer coefficient (h) of 100 W m-2.K-1. Surface 2 is opaque, diffuse and gray with an emissivity ( e ) of 0.5 and exchanges heat by radiation with very large surroundings at 0 K. Radiative heat transfer inside the solid slab is neglected. The Stefan-Boltzmann constant is 5.67 x 10-8 W × m-2 × K-4 . The temperature T1 of Surface 1 of the slab, under steady-state conditions, is _________ K (round off to the nearest integer).Correct answer is '318.59'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider a solid slab (thermal conductivity, k = 10 W × m-1 × K-1 ) with thickness 0.2 m and of infinite extent in the other two directions as shown in the figure. Surface 2, at 300 K, is exposed to a fluid flow at a free stream temperature ( T∞ ) of 293 K, with a convective heat transfer coefficient (h) of 100 W m-2.K-1. Surface 2 is opaque, diffuse and gray with an emissivity ( e ) of 0.5 and exchanges heat by radiation with very large surroundings at 0 K. Radiative heat transfer inside the solid slab is neglected. The Stefan-Boltzmann constant is 5.67 x 10-8 W × m-2 × K-4 . The temperature T1 of Surface 1 of the slab, under steady-state conditions, is _________ K (round off to the nearest integer).Correct answer is '318.59'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider a solid slab (thermal conductivity, k = 10 W × m-1 × K-1 ) with thickness 0.2 m and of infinite extent in the other two directions as shown in the figure. Surface 2, at 300 K, is exposed to a fluid flow at a free stream temperature ( T∞ ) of 293 K, with a convective heat transfer coefficient (h) of 100 W m-2.K-1. Surface 2 is opaque, diffuse and gray with an emissivity ( e ) of 0.5 and exchanges heat by radiation with very large surroundings at 0 K. Radiative heat transfer inside the solid slab is neglected. The Stefan-Boltzmann constant is 5.67 x 10-8 W × m-2 × K-4 . The temperature T1 of Surface 1 of the slab, under steady-state conditions, is _________ K (round off to the nearest integer).Correct answer is '318.59'. Can you explain this answer?.
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