Question: S . 1 3 8 0 x 1 2 0 cm l lerindeki 8 milimetre kalnhgida bir cam d s n n z . Bu

S.1380 x120 cm llerindeki 8 milimetre kalnhgida bir cam dsnnz. Bu cam 18\deg C sicakhgindaki bir ortamla -12\deg C, sicakhigindaki diger ortams birbirinden ayurmaktadir. Camin 151 iletim katsay1s10,78 W/mK, i yzeyin tasinin kat say1s120 W/m?K, dis yzeyin tasmnim katsay1517 W/m'K olduguna gre;a) Bu candan kaybolan 1s1y1,b) Camin sicak tarafa bakan yzey sicakhgun bulunuz.Bu cam yerine 4 mm kalnhiginda iki cam kullanlmas1, iki cam arasindaki boglugun 12 mm olmas1, iki cam arasindaki havanmn tasinin kat sayis12.5 W/m'K oldugunu varsayarak:c) Yalstimii camdan kaybolan 151y1,d) Camin sicak yzeye bakan i yzey sicakhgun,e) Cift cam kullanilmas1 durumunda 151 kaybinda azalmays bulunuz.

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