Question: ( 3 5 P ) S 2 ) Kal nli 6 0 cm , stcakl 2 1 C olan dizz bir duvar aniden sicakl g

(35P) S2) Kalnli60 cm , stcakl21C olan dizz bir duvar aniden sicaklg50C olan sicak gaz akm ile istrimaya balanyor. Duvarn yulzeyleri ile scak gaz arasmdaki us tam katsays 10Wm2@C, duvann yogunlu2600kgm3,zgil isl kapasitesi 1256JkgC, ist iletim katsays!15.5WmC, ist yaylm katsays4.7510-6m2s' dir. Istmann balamasndan 27 sat sonra;
a) Duvann merkez scaklim,
b) Bu srede duvarn birim alanuna transfer edilen is miktarm hesaplaynuz.
( 3 5 P ) S 2 ) Kal nli 6 0 cm , stcakl 2 1 C

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