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11 cm kalnlnda elik bir plaka sicakl 15 C iken 280 cscaklindaki bir sil ilem firinna koyuluyor. Plaka yzeyi ile firn iindeki hava arasndaki isi
11 cm kalnlnda elik bir plaka sicakl 15 C iken 280 c\scaklindaki bir sil ilem firinna koyuluyor. Plaka yzeyi ile firn iindeki hava arasndaki isi transfer katsays 150W/(m.K),plakanin isi iletim katsaysi 25W/(m.K), 1sl yaynm katsays 2,4.105 m/s olduuna gre a)Plaka yzey scaklnin 200C olmas iin geen sreyi hesaplaynz? b)Bu srede plakanin birim alanna transfer edilen sy hesaplayiniz?
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Thermodynamics An Engineering Approach
Authors: Yunus A. Cengel, Michael A. Boles
8th edition
73398179, 978-0073398174
