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Stefano Stefano   39-08-02 00:00
(1)¸ÕÀú Áú¹®À» ÀοëÇØ º¸¸é..
  Mav(N1+N2)=(m1+m2)-------------------(1)
°¡ µÇ´Â °Í(¿©±â¼­ 1,2´Â subscriptÀÌ¸ç ¼ººÐ A,B¶ó°í ¹Ù²ã¼­ »ý°¢, Áú¹®¿¡¼­´Â nÀ» »ç¿ëÇߴµ¥ mass flux mÀ¸·Î ¹Ù²ã¼­ ¼³¸íÇÔ.)À» ¹àÈ÷¶ó´Â °ÍÀε¥ ÀÌ´Â ´ÙÀ½À» Áõ¸íÇÏ´Â °Í°ú °°½À´Ï´Ù.

  Mav=(W)total/(n)total----------------(2)

  N1,N2,..¼ººÐ 1,2ÀÇ Molar Flux (= mole/time/area)
  m= m1+m2+..  m1,m2,..¼ººÐ 1,2ÀÇ Mass Flux (=mass/time/area)
  n (= n1 + n2+..)..ÀüüÀÇ ¸ô¼ö
  W=(W)total=W1+W2+.... W1,W2,..°¢¼ººÐÀÇ ¹«°Ô(Áú·®)--(3)

»ç½Ç (2)½ÄÀº Áõ¸íÇØ¾ß ÇÒ ½ÄÀ̶ó±â º¸´Ù´Â Á¤ÀÇµÈ ½ÄÀ̶ó°í ÇØ¾ß ¸¶¶¥ÇÏÁö¸¸ ÀÌ Á¤ÀǽÄÀÌ ³ª¿À°Ô µÈ À¯·¡¸¦ »ìÆ캸¸é µÉ °ÍÀÔ´Ï´Ù.

½Ã½ºÅÛ ³»¿¡ ¼ººÐ 1,2,....kÀÇ ¼ººÐ¹°ÁúÀÌ Á¸ÀçÇÏ´Â °æ¿ì
  ÀüüÀÇ ¸ô¼ö, n = n1 + n2 + ...
  ÀüüÀÇ ¹«°Ô, W = W1 + W2 + ...
  ÇÑÆí °¢ ¼º¹® ¸ô¼öÀÇ Á¤ÀÇ´Â n1=W1/n1, n2=W2/n2,..

µû¶ó¼­
  W = W1+W2+...= n1M1+n2M2+....----------- (4)
¿©±â¼­ M1,M2,..´Â °¢¼ººÐÀÇ ºÐÀÚ·®ÀÌ°í ÀÌ (5)½ÄÀÇ Àüü¸¦ n*Mav¶ó°í Çصΰí Mav¸¦ Æò±Õ ºÐÀÚ·®À̶ó°í ºÎ¸£¸é,      n*Mav = W --------(5)

µû¶ó¼­ Mav=W/n, ±×·±µ¥ W=W1+W2,..ÀÌ°í n=n1+n2,..À̹ǷΠ(4)½ÄÀ¸·ÎºÎÅÍ 
  Mav=(W1+W2+...)/n = (n1M1+n2M2+..)/n = (n1/n)M1 + (n2/n)M2 +... = x1M1 + x2M2 +... -----(6)
 
±×·¯¹Ç·Î Mav=x1M1+ x2M2 +....--------------(7)
´ç¿¬ÇÑ À̾߱⠰°Áö¸¸ (7)½ÄÀº (5)½ÄÀÌ µÈ´Ù°í ÇßÀ»¶§ ¾ò¾îÁö°í ÀÌ´Â Æò±ÕºÐÀÚ·®ÀÇ Á¤ÀǽÄÀÌ µË´Ï´Ù. 

(2) ÀÌÁ¦ Áú¹®À¸·Î µÇµ¹¾Æ °¡¼­ (1)½ÄÀÌ µÇ´Â °ÍÀ» º¸ÀÌ¸é µË´Ï´Ù. ¿©±â¼­´Â ¸ô ȤÀº Áú·®´ÜÀ§ÀÇ Flux ´ÜÀ§¸¦ »ç¿ëÇÑ ½ÄµéÀÔ´Ï´Ù. ±×¸®°í °£´ÜÇÏ°Ô 1,2ÀÇ ¼ººÐ¸¸ ÀÖ´Ù°í »ý°¢ÇÕ´Ï´Ù.

  Mav(N1+N2)= Mav * (n1 + n2) /(Area*Time) = W/n * (n1+n2)/(Area*Time), ¡ñ (5)½Ä¿¡ ÀÇÇؼ­
  = W/(Area*Time)*(n1+n2)/n = W/(Area*Time), ¡ñ n1+n2 = n 
  = (W1+W2)/(Area*Time) = (m1 + m2 ), ¡ñ W=W1+W2,  Wi/(Area*Time) = mi = i¼ººÐ Mass Flux

----- Q.E.D.(Áõ¸íÀÌ ³¡³µ½À´Ï´Ù)

ÀåȲÇØÁ® ¹ö·È´Âµ¥ µûÁö°í º¸¸é Mav+(N1+N2)= Mav*N = m1+m2 = mÀÌ µÇ´Â °ÍÀ» À̾߱â ÇÑ °Í »ÓÀÔ´Ï´Ù.
Britz Britz   39-08-02 00:00
°í¸¿½À´Ï´Ù

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