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ÄÁÅÙÃ÷ | contents |
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½ºÅ͵ð | study |
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[Re] Á¡µµÈ¯»ê |
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±Û¾´ÀÌ : Æ÷µ¹ °íÀ¯ID : Æ÷µ¹
³¯Â¥ : 00-00-00 00:00
Á¶È¸ : 7606
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¸»¾¸ÇϽŠ³»¿ëÀº Àß ÀÌÇØ°¡ °¡´Âµ¥¿ä
Á¡µµ´Â ¿Âµµ¿Í »ó°ü¼ºÀÌ ±íÁö ¾Ê½À´Ï±î?
¸»¾¸ÇϽŴë·Î ÀÎÅͳݻ󿡼 Á¶»çÇÏ´Ùº¸´Ï µ¿Á¡µµÈ¯»êÇ¥¿¡¼
cStÀ» Engler·Î ȯ»êÇÒ¶§ ¿Âµµ¿¡ ´ëÇÑ ¼³¸íÀÌ ¾ø³×¿ä...
¿Âµµ¿¡ ´ëÇÑ ±ÔÁ¤ÀÌ ÀÖ¾î¾ß ÇÏÁö ¾Ê´ÂÁö¿ä,,,
¿¹¸¦ µé¸é, Engler´Â 20C/20C, 40C/20C. 50C/20CÀ̶óµçÁö¿ä...
Stefano´ÔÀÇ ±ÛÀÔ´Ï´Ù.
>> Æ÷µ¹´ÔÀÇ ±ÛÀÔ´Ï´Ù.
>>
>> >> ¾Æ·¡¿Í °°Àº »çÇ׿¡ ´ëÇÏ¿© ¾Ë°í½Í½À´Ï´Ù.
>> >> 1.EnglerÁ¡µµ¿¡ ´ëÇÑ Á¤ÀÇ
>> >> 2.EnglerÁ¡µµ¸¦ cP·ÎÀÇ È¯»ê½Ä°ú ȯ»ê½Ä¿¡ ´ëÇÑ ±¸Ã¼ÀûÀÎ ¼³¸íÀ»
>> >> ¾Ë°í ½Í½À´Ï´Ù.
>> >> ƯÈ÷ ÀúÁ¡µµÀÎ °æ¿ì (1cP ~ 20cP)
>> >>
>>
>> (1) Engler Á¡µµ´Â Engler Viscosity Meter·Î ÃøÁ¤ÇÑ Á¡µµÀÌ°í ´ÜÀ§´Â ÃÊ(second)Àε¥ ½Ã°£´ÜÀ§·Î ³ªÅ¸³»´Â °ÍÀÌ ÀÌ»óÇÏÁö¿ä.
>>
>> (2) ´Ù¸§ ¾Æ´Ï°í ¸ð·¡½Ã°èó·³(¸ð¾çÀº ´Ù¸§) À§¿¡´Ù ¾×ü¸¦ ÀÏÁ¤·® ´ã¾ÆµÎ°í ¾Æ·¡·Î ÁË´Ù Èê·¯³»·ÈÀ» ¶§ ±îÁö °É¸®´Â ½Ã°£À» ÃøÁ¤ÇÏ¿© Á¡µµ¸¦ Àç´Â ¹æ½ÄÀÔ´Ï´Ù. »ó¼¼ÇÑ ¹æ¹ýÀÌ ¼³¸íµÈ °÷Àº ÀÎÅͳݿ¡¼µµ ã¾Æº¼ ¼ö ÀÖÀ¸¸®¶ó°í »ý°¢µË´Ï´Ù.
>>
>> (3) cPÀÇ ´ÜÀ§´Â Àý´ëÁ¡µµÀÇ ´ÜÀ§ÀÌ°í À̸¦ ¹Ðµµ·Î ³ª´«°ªÀÌ cStÀÔ´Ï´Ù.
>> cSt¿Í Engler ViscosityµîÀº µ¿Á¡µµ(Kinematic Viscosity)ÀÌ°í µû¶ó¼ ¹Ðµµ¸¦ ¸ô¶óµµ ¼·Î ȯ»êÀÌ °¡´ÉÇÏÁö¸¸ Àý´ëÁ¡µµ¸¦ ³ªÅ¸³»´Â cP¿Í´Â ȯ»êÀÌ ºÒ°¡´ÉÇÕ´Ï´Ù.
>>
>> (µ¿Á¡µµ,Stoke) = (Àý´ëÁ¡µµ, Poise)/(¹Ðµµ, g/cm3)
>> cSt´Â StÀÇ 1/100°ªÀÔ´Ï´Ù. Áï cSt = cP/(¹Ðµµ, g/cm3)
>>
>> À§ÀÇ ½ÄÀ¸·ÎºÎÅÍ ¹Ðµµ(g/cc)¿Í µ¿Á¡µµ(cSt)¸¦ °öÇϸé Àý´ëÁ¡µµ(cP)°¡ ±¸ÇØÁý´Ï´Ù.
>>
>>
>> (3) cS¿Í EnglerÀÇ ´ÜÀ© ȯ»êÀº......
>> Engler°ª(second)À» cSt·Î °íÄ¡·Á¸é
>> (cSt) = 0.147 (Engler) -347/(Engler)
>>
>> cSt¸¦ Engler·Î °íÄ¡·Á¸é
>> (Engler)=3.4014(cSt)+(11.5693(cSt)^2+2544.218)^(0.5)
>> À¯È¿¼ýÀÚ¸¦ ´Ã¿©½áÁÖ¸é..
>> (Engler)=3.401360544(cSt)+{11.56925355*(cSt)^2+2544.217687}^(0.5)
>>
>> cSt Engler(seconds)
>> 0.5 52.170
>> 1 53.956
>> 2 57.700
>> 3 61.666
>> 4 65.848
>> 5 70.237
>> 6 74.821
>> 7 79.587
>> 8 84.523
>> 9 89.615
>> 10 94.851
>> 11 100.217
>> 12 105.702
>> 13 111.295
>> 14 116.986
>> 15 122.765
>> 16 128.624
>> 17 134.555
>> 18 140.551
>> 19 146.606
>> 20 152.714
>> 21 158.871
>> 22 165.073
>> 23 171.314
>> 24 177.592
>> 25 183.903
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>> Stefano/011221
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