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°íÀ¯ID
: azimer
³¯Â¥
: 10-12-28 11:52
Á¶È¸
: 4348
¿±³È¯±â Æ©ºêÂÊ ÀÔ±¸¾Ð·ÂÀ» ±¸ÇÒ ¼ö ÀÖ³ª¿ä?
TUBE
1)ÀÔ±¸ÂÊ À¯·®: 65832 lb/hr
2)ÀÔ±¸ÂÊ ¿Âµµ: 584 F
3)³ëÁñ DIA: 30"
4)À¯Ã¼: FLUE GAS
À̶§ ÀÔ±¸ ¾Ð·ÂÀ» ±¸ÇÒ ¼ö ÀÖ³ª¿ä?
¸ð¹ü»ý
mbsahg
10-12-28 17:05
¾ø½À´Ï´Ù.
¾ø½À´Ï´Ù.
ÀåÇö¼ö
jddast
10-12-29 09:26
¸ð¹ü»ý´Ô ´äº¯Ã³·³ ¾ø´Â °Í °°½À´Ï´Ù.
Ç㳪, ÁÖ¾îÁø Á¶°ÇÀÌ Àú°Í »ÓÀÌ°í ´ë°ÀÌ¶óµµ ¾Ë°í ½ÍÀ¸½Ã´Ù¸é ÀÌ»ó±âü¹æÁ¤½ÄÀ¸·Î ÇÒ¼öÀÖÁö ¾ÊÀ»±î¿ä?
(´Ü, ºÐÀÚ·®Àº ¾Ë¾Æ¾ß°Ú½À´Ï´Ù.)
PV=nRT
n=m/Mw
=> P= (m*R*T)/(Mw*V)
where, m=Áú·® (Known)
R=±âü»ó¼ö
T=Àý´ë¿Âµµ(Known)
Mw=ºÐÀÚ·®
V=ºÎÇÇ(³ëÁñ±¸°æ)
¸ð¹ü»ý´Ô ´äº¯Ã³·³ ¾ø´Â °Í °°½À´Ï´Ù. Ç㳪, ÁÖ¾îÁø Á¶°ÇÀÌ Àú°Í »ÓÀÌ°í ´ë°ÀÌ¶óµµ ¾Ë°í ½ÍÀ¸½Ã´Ù¸é ÀÌ»ó±âü¹æÁ¤½ÄÀ¸·Î ÇÒ¼öÀÖÁö ¾ÊÀ»±î¿ä? (´Ü, ºÐÀÚ·®Àº ¾Ë¾Æ¾ß°Ú½À´Ï´Ù.) PV=nRT n=m/Mw => P= (m*R*T)/(Mw*V) where, m=Áú·® (Known) R=±âü»ó¼ö T=Àý´ë¿Âµµ(Known) Mw=ºÐÀÚ·® V=ºÎÇÇ(³ëÁñ±¸°æ)
½ºÅ×Æijë
Stefano
10-12-29 11:40
(0) ¸ð¹ü»ý ´ÔÀÇ ´ä±ÛÀÌ ¸Â½À´Ï´Ù. ÀåÇö¼ö´ÔÀÇ ¹æ¹ýÀ¸·Î ±¸ÇÒ ¼ö ¾ø½À´Ï´Ù. ±× ÀÌÀ¯¸¦ ¼³¸íÇÏÁö¿ä.
(1) PV=nRT....(1)·Î ³ªÅ¸³½ ¼ö½ÄÀº Èê·¯°¡Áö ¾Ê´Â ÀÌ»ó±âü¿¡ Àû¿ëµÇ´Â ¼ö½ÄÀÔ´Ï´Ù.
¿ë±âºÎÇÇ V³»¿¡ µé¾îÀÖ´Â n ¸ôÀÇ ÀÌ»ó±âü°¡ ¿Âµµ T·Î À¯ÁöµÇ°í ÀÖÀ»¶§ P = nRT/V...(2)ÀÇ ¼ö½ÄÀ¸·Î P¸¦ ±¸ÇÒ ¼ö ÀÖÁö¿ä.
(2) ±×·¯³ª ¾î´À °ø°£À» Èê·¯°¡°í ÀÖ´Â ±âüÀÇ °æ¿ì, ¸ô À¯·®, ºÐÀÚ·®À» ¾Ë°í ÀÖ´Ù°í Çصµ ¾Ð·ÂÀÌ Á¤ÇØÁöÁö ¾ÊÀ¸¸é ºÎÇÇÀ¯·®Àº ¾Ë ¼ö´Â ¾ø½À´Ï´Ù. Pv=wRT.....(3) w=molar flow rate ==> P=wRT/v.......(4) w,T¸¦ ¾Ë¾Æµµ volume flow rate, v°¡ °áÁ¤µÇÁö ¾ÊÀ¸¸é P´Â ¾Ë¼ö°¡ ¾øÁö¿ä.
(3) ÀÏÁ¤¿Âµµ T¿¡¼ ¸ô (ȤÀº Áú·®)À¯·®°ú ºÎÇÇÀ¯·®À» ¸ðµÎ ¾Ë°í Àִٰųª ÀÌ»ó±âü¶ó°í °¡Á¤ÇÑ °¡½ºÀÇ ¹Ðµµ¸¦ ¾Ë°í ÀÖ´Ù°í ÇÏ¸é ½Ã½ºÅÛ ¾Ð·ÂÀº °è»êÇÒ ¼ö ÀÖ½À´Ï´Ù.
PV=nRT = (m/Mw)RT ==> m/V = ¥ñ = PMw/RT ......(5a) ==> P = ¥ñ RT/Mw.....(6)
Pv=wRT ==> (w*Mw)/v = ¥ñ = P*Mw/RT ..................(5b) ==> P= ¥ñ RT/Mw.....(6)
(4) ³ëÁñ¸éÀû A°¡ ¾Ë·ÁÁ® ÀÖ´Ù°í Çصµ ³ëÁñÀ» Åë°úÇÏ´Â À¯¼Ó u¸¦ ¸ð¸£¸é volume rate v¸¦ ¾Ë ¼ö ¾ø½À´Ï´Ù.
(0) ¸ð¹ü»ý ´ÔÀÇ ´ä±ÛÀÌ ¸Â½À´Ï´Ù. ÀåÇö¼ö´ÔÀÇ ¹æ¹ýÀ¸·Î ±¸ÇÒ ¼ö ¾ø½À´Ï´Ù. ±× ÀÌÀ¯¸¦ ¼³¸íÇÏÁö¿ä. (1) PV=nRT....(1)·Î ³ªÅ¸³½ ¼ö½ÄÀº Èê·¯°¡Áö ¾Ê´Â ÀÌ»ó±âü¿¡ Àû¿ëµÇ´Â ¼ö½ÄÀÔ´Ï´Ù. ¿ë±âºÎÇÇ V³»¿¡ µé¾îÀÖ´Â n ¸ôÀÇ ÀÌ»ó±âü°¡ ¿Âµµ T·Î À¯ÁöµÇ°í ÀÖÀ»¶§ P = nRT/V...(2)ÀÇ ¼ö½ÄÀ¸·Î P¸¦ ±¸ÇÒ ¼ö ÀÖÁö¿ä. (2) ±×·¯³ª ¾î´À °ø°£À» Èê·¯°¡°í ÀÖ´Â ±âüÀÇ °æ¿ì, ¸ô À¯·®, ºÐÀÚ·®À» ¾Ë°í ÀÖ´Ù°í Çصµ ¾Ð·ÂÀÌ Á¤ÇØÁöÁö ¾ÊÀ¸¸é ºÎÇÇÀ¯·®Àº ¾Ë ¼ö´Â ¾ø½À´Ï´Ù. Pv=wRT.....(3) w=molar flow rate ==> P=wRT/v.......(4) w,T¸¦ ¾Ë¾Æµµ volume flow rate, v°¡ °áÁ¤µÇÁö ¾ÊÀ¸¸é P´Â ¾Ë¼ö°¡ ¾øÁö¿ä. (3) ÀÏÁ¤¿Âµµ T¿¡¼ ¸ô (ȤÀº Áú·®)À¯·®°ú ºÎÇÇÀ¯·®À» ¸ðµÎ ¾Ë°í Àִٰųª ÀÌ»ó±âü¶ó°í °¡Á¤ÇÑ °¡½ºÀÇ ¹Ðµµ¸¦ ¾Ë°í ÀÖ´Ù°í ÇÏ¸é ½Ã½ºÅÛ ¾Ð·ÂÀº °è»êÇÒ ¼ö ÀÖ½À´Ï´Ù. PV=nRT = (m/Mw)RT ==> m/V = ¥ñ = PMw/RT ......(5a) ==> P = ¥ñ RT/Mw.....(6) Pv=wRT ==> (w*Mw)/v = ¥ñ = P*Mw/RT ..................(5b) ==> P= ¥ñ RT/Mw.....(6) (4) ³ëÁñ¸éÀû A°¡ ¾Ë·ÁÁ® ÀÖ´Ù°í Çصµ ³ëÁñÀ» Åë°úÇÏ´Â À¯¼Ó u¸¦ ¸ð¸£¸é volume rate v¸¦ ¾Ë ¼ö ¾ø½À´Ï´Ù.
ÀåÇö¼ö
jddast
10-12-29 14:20
°¨»çÇÕ´Ï´Ù.
Á¦°¡ ¹º°¡¸¦ Âø°¢Çß³ªº¾´Ï´Ù. ÀÏ´Ü ³ëÁñ±¸°æÀº ¸éÀû»ÓÀε¥.. ¼Óµµ¸¦ ¸ð¸£°í ºÎÇǸ¦ ±¸ÇÒ¼ö°¡ ¾ø³×¿ä.
°¨»çÇÕ´Ï´Ù. Á¦°¡ ¹º°¡¸¦ Âø°¢Çß³ªº¾´Ï´Ù. ÀÏ´Ü ³ëÁñ±¸°æÀº ¸éÀû»ÓÀε¥.. ¼Óµµ¸¦ ¸ð¸£°í ºÎÇǸ¦ ±¸ÇÒ¼ö°¡ ¾ø³×¿ä.
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