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Posted by(ÀÛ¼ºÇϽŠºÐ) ÇÑÈ­¼®À¯È­ÇÐ Áß¾Ó¿¬±¸¼Ò ( November 03, 2000 at 09:19:12: )

¾È³çÇϼ¼¿ä. Àú´Â Æú¸®¸Ó ¿ë¾×(solvent+polymer)ÀÇ Á¡µµ°Åµ¿¿¡ °üÇÏ¿© ¿¬±¸ÁßÀÔÀÌ´Ù. ´ÙÀ½°ú °°Àº ºÎºÐ¿¡ ÀÖ¾î Àǹ®ÀÌ ÀÖ¾î ¹®ÀÇ µå¸³´Ï´Ù.
1. ºÎ·èÇʵå Á¡µµ°è¸¦ »ç¿ëÇÏ¿© ÀÏÁ¤¿Âµµ ÀÏÁ¤¿ë±â¿¡¼­ÀÇ
Á¡µµ¸¦ ÃøÁ¤Çϴµ¥ ÃøÁ¤½Ã torque°¡ 10-100%¿¡ Á¸ÀçÇϰí 100¿¡ °¡±î¿ï¼ö·Ï Á¡µµ°¡ ½Åºù¼ºÀÌ ÀÖ´Ù°í Çϴµ¥ ¼­·Î ´Ù¸¥ ¿ø¾×À» ºñ±³ ÇÒ¶§ torgueÀÇ Â÷ÀÌ¿¡ µû¶ó Á¡µµ°¡ Â÷À̰¡ ¸¹Àºµ¥ ÀÌ·± °æ¿ì´Â ¾î¶»°Ô Çմϱî?
2.¼­·Î ´Ù¸¥ ¿ø¾×ÀÇ Á¡µµ¸¦ ºñ±³ ÇÒ¶§ ÀÏÁ¤½Ç¸°´õ¸¦ »ç¿ëÇÏ¿© ÃøÁ¤ÇÏ´Ù°¡ torgue°¡ 100À» ³Ñ°Å³ª 10 ÀÌÇÏÀ϶§ ½Ç¸°´õ¸¦ ¹Ù²Ù¾îÃøÁ¤ÇÑ Á¡µµ°á°ú¿Í ¼­·Î ºñ±³ °¡´ÉÇÑÁö?(rpm 5, 20, 100)
±×·¯¸é torgue¸¦ ºñ½ÁÇÏ°Ô ³ª¿Àµµ·Ï ½Ç¸°´õ¿Í RPMÀÇ ¹Ù²Ù¾î ¾òÀº °á°ú¸¦ ÀÌ¿ëÇÏ¿© ¿ø¾×ÀÇ Á¡µµ¸¦ ºñ±³ÇÏ¿©¾ßÇմϱî?(½Ç¸°´õ »çÀÌÁî, torgue, rpmÀ» µ¿½Ã¿¡ ÀÏÄ¡½ÃŰ±â°¡ ¾î·Æ½À´Ï´Ù)
3. ºÎ·èÇʵ忡¼­ ½Ç¸°´õÀÇ »çÀÌÁî¿Í RPMÀÇ º¯È­¿¡ µû¸¥ shear rateÀÇ °ü°è¸¦ ¾Ë°í ½Í°í °¡´ÉÇÏ´Ù¸é ¼öÄ¡·Î ºÎŹÇÕ´Ï´Ù.ºÎ·èÇʵ忡¼­ ¿ø¾×¿¡ ÀÛ¿ëµÇ´Â shear rate¸¦ ¾Ë°ÔµÇ¸é contravesÀÇ °á°ú¿Í ºñ±³ °¡´ÉÇϱ⠶§¹®ÀÔ´Ï´Ù.
4. zero shear viscosityÀÇ ¼öÄ¡ºñ±³°¡ ½ÇÁúÀûÀÎ À¯Ã¼ÀÇ °Åµ¿¿¡ ¾î¶² Àǹ̸¦ ºÎ¿©ÇÒ¼öÀÖ½À´Ï±î.

³Ê¹« ¸¹Àº Áú¹®À» ÇÏ¿© ¹Ì¾ÈÇÕ´Ï´Ù. ±Í»çÀÇ ¹«±ÃÇÑ ¹ßÀüÀ» ±â¿øÇÕ´Ï´Ù.




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