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: getnight
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: 13-09-11 17:45
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Fick's 2nd law 2 ̺ ̹Ƿ
̺й Ǯ̴ ǿ װ(и, Laplaceȯ, Bolzman ȯ, Ǯ̰ Ǵ ˰ ֽϴ.
Ǯ ϴ ٸ Ŀ ϰ ܼ Ȯ(diffusivity) ٴ Ͽ ϴ
ü ÷ ҷ ϴµ
Ǯ ȵǼ 帳ϴ.
÷Ͽ ڰǰ ʱⰪ ÷Ƚϴ.
־ Ǯ ϴ Ź帳ϴ.
ij
Stefano
13-09-12 11:07
Ȯ ð̳ ٸ ʹ ٷ ʴ ϴ. t,x C ̿Ͽ Ǯϴ ̰ ã .
http://www.eng.utah.edu/~lzang/images/lecture-4.pdf
Ȯ ð̳ ٸ ʹ ٷ ʴ ϴ. t,x C ̿Ͽ Ǯϴ ̰ ã . http://www.eng.utah.edu/~lzang/images/lecture-4.pdf
̳ƽ
getnight
13-09-12 11:29
˼ Ѱ 帮ڽϴ.
¿ ܺ з (Peq)ϰ permeability value ̻ü ̿Ͽ з¿ ϴ ð ҷ մϴ.
Ǵ ñմϴ.
(п ̺а ãƺôµ ʾƼ 帳ϴ.)
dP/dt=RTAJ/V ǥ ǹǷ ᱹ ÷ ؾ ϴµ ǮϱⰡ Ƴ
Ź帳ϴ
˼ Ѱ 帮ڽϴ. ¿ ܺ з (Peq)ϰ permeability value ̻ü ̿Ͽ з¿ ϴ ð ҷ մϴ. Ǵ ñմϴ. (п ̺а ãƺôµ ʾƼ 帳ϴ.) dP/dt=RTAJ/V ǥ ǹǷ ᱹ ÷ ؾ ϴµ ǮϱⰡ Ƴ Ź帳ϴ
ij
Stefano
13-09-13 16:23
(1) ̵ Ͼ ü Permeability ̵Ÿ, ̵ ǰ ϴٰ ϸ ̺ Ǯ ϴ.
1) ̵ӵ q з Ѵ. q= K *(Po-P) .......(1) K=̵ , (2)
2) ̵ ӹ з Ѵ. P = n R T/V .........(2) R,T,V , n P
3) ̵ ӵ ӵ . q = dn/dt ............(3)
(2) ̺Ͽ dn/dt P Լ Ÿ (1) q ҰϿ ̺й Ͽ P=P1~Peq ϸ ҿð ְ
(2) ̵ K ̵ ܸ Permerability, ̵Ÿκ ̿ؾ ϴ
(1) ̵ Ͼ ü Permeability ̵Ÿ, ̵ ǰ ϴٰ ϸ ̺ Ǯ ϴ. 1) ̵ӵ q з Ѵ. q= K *(Po-P) .......(1) K=̵ , (2) 2) ̵ ӹ з Ѵ. P = n R T/V .........(2) R,T,V , n P 3) ̵ ӵ ӵ . q = dn/dt ............(3) (2) ̺Ͽ dn/dt P Լ Ÿ (1) q ҰϿ ̺й Ͽ P=P1~Peq ϸ ҿð ְ (2) ̵ K ̵ ܸ Permerability, ̵Ÿκ ̿ؾ ϴ
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