8/17/2019 Lect - 8 Conduction two-dimensional and three-dimensional.pptx

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Conduction two-dimensional and

three-dimensional

Dr. Senthilmurugan S. Department of Chemical Engineering IIT Guwahati - Part 2

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Case 1Steady state, Cube Geometry,

 (General Enery E!uation"

 (Since, = 0 and "

#oundary conditions$

%&', &6'' )

%&*, &+'' ) &', &'' )

&*, &+'' )

 .diabatic wall 

 

6'' )

+'' )

'' )

+'' )

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Case 1ariation o0 temerature inside the cube

6''

+''

''

+''

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Stes 0or solin the roblem

3imension 3e0inin the hysics

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Study tye #uildin the Geometry

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Geometry dimensions

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#oundary condition 0or Constant temerature wall

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#oundary condition 0or .diabatic wall

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#oundary condition 0or constant heat 0lu%

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Conectie heat trans0er 

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Creation o0 7esh Elements

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7eshed Geometry

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Study

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8esult

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Case 2

9nitial condition

t&': & 2+;15 )

#oundary conditions$

% & ', & '' )

% & *, & +'' )

r & r1, < &

=nsteady state, Cylindrical Geometry

'' )

+'' )

 

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ime deendent rocedure

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8esult

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