Question: ( 3 5 P ) S . 3 Kal nl 6 0 cm , s cakl 2 1 C olan d z bir duvar aniden

(35P) S.3 Kalnl60 cm , scakl21C olan dz bir duvar aniden scakl50C olan scak gaz akm ile stlmaya balanyor. Duvarn yzeyleri ile scak gaz arasndaki s tamm katsays10Wm20C, duvarn younluu 2600kgm3,8zgl sl kapasitesi 1256JkgC, Is! iletim katsays15.5WmC, is yaylm katsays4.7510-6m2s' dir. Istmann balamasndan 27 saat sonra;
a) Duvarn merkez sicaklign,
b) Duvarn yzey scaklm,
c) Bu srede duvarn birim alanna transfer edilen is miktarm hesaplaymz.
( 3 5 P ) S . 3 Kal nl 6 0 cm , s cakl 2 1 C olan

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