Group+A+-+solution

# Group+A+-+solution - Group A(Solutions Problem 1 Given Ti =...

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Group – A (Solutions) Problem 1 – Given - T i = 880 o C, T s = 0 o C, T h = 211 o C, t=1s Transient 1-D conduction in an infinite, plane wall is given by ( , ) () 2 s is T x t T x erf TT t 2 hs x erf t 211 0 880 0 2 x erf t 0.2397 ( ) 2 x erf t By using Gaussian error function table (from supplementary material) 0.2157 2 x t 0.2157 2 xt  6 0.2157 2 3.75 10 1 x 0.8354 x mm

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Problem 2 – a) Circuit diagram b) Individual resistances ( , ) , 1 1 1 0.0222 / 10 3 1.5 cnv g i g i g R k w h A h L h     ( , ) , 1 1 1 0.0222 / 10 3 1.5 cnv g o g o g R k w h A h L h     ( , ) , 1 1 1 0.0222 / 10 3 1.5 cnv w i w i w R k w h A h L h     ( , ) , 1 1 1 0.0222 / 10 3 1.5 cnv w o w o w R k w h A h L h     3 4 6 10 9.5 10 / 1.4 3 1.5 gg g g g g g dd R k w k A k L h     3 50 10 0.111 / 0.1 3 1.5 ii ins i i i w R k w k A k L h     3 100 10 0.0222 / 1 3 1.5 ww
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Group+A+-+solution - Group A(Solutions Problem 1 Given Ti =...

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