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  ÀÚÀ¯Ä§°­½Ã ħ°­¼Óµµ °è»ê
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ÀÚÀ¯Ä§°­½Ã ħ°­¼Óµµ °è»ê

1. Stokes ¹ýÄ¢


  Àû¿ë (Nre < 0.1 : Ãþ·ù¿µ¿ª)


  U [m/sec] = Dp^2 (¥ñs - ¥ñ) * g  /  (18 * ¥ì)


2. Allen ¹ýÄ¢


  Àû¿ë (0.1 <  Nre < 1000 : ÀüÀÌ¿µ¿ª)


  U [m/sec] = 4/225 * [ (¥ñs - ¥ñ)^2 * g^2  /  (¥ñ * ¥ì)]^1/3 * Dp


3. Newton ¹ýÄ¢


  Àû¿ë (1,000 <  Nre < 20,000 : ³­·ù¿µ¿ª)


  U [m/sec] = ¡î(3 * g * (¥ñs - ¥ñ) * Dp / ¥ñ))


4. ÀϹÝÇü ÃÖÁ¾Ä§°­ ¼Óµµ


  U [m/sec] = ¡î[ (4 * Ds * (¥ñs - ¥ñ) * g) / (3 * Nre * ¥ñ)


¡Ø º¯¼ö¼³¸í
  - ¥ñs : ħ°­ÇÏ´Â ÀÔÀڹеµ [g/cm3]
  - ¥ñ  : À¯Ã¼¹Ðµµ [g/cm3]
  - Dp  : ħ°­ÇÏ´Â ÀÔÀÚÁö¸§ [cm]
  - ¥ì  : À¯Ã¼Á¡µµ [g/cm-sec]
  - Ds  : ÀÔÀÚ¿Í °°Àº ºÎÇǸ¦ °®´Â ±¸ÀÇ Áö¸§
  - g  : Á߷»ó¼ö 980 m/sec

   

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