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¾Ð·ÂÀÇ
Á¾·ù ¡á
Á¤¾Ð(Static Pressure) ; Ps ¡á
Àü¾Ð(Total
Pressure) ; Pt ¡á µ¿¾Ð(Velocity/Dynamic Pressure) ;
Pd
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Á¤¾Ð : Ps=Static Pressure |
Á¤¾Ð Ps´Â ±âüÀÇ È帧¿¡ ÆòÇàÀÎ ¹°Ã¼ÀÇ Ç¥¸é¿¡ ±âü°¡ ¼öÁ÷À¸·Î ¹Ì´Â ¾Ð·ÂÀÌ°í ±× Ç¥¸éÀÇ ¼öÁ÷ HoleÀ» ÅëÇØ ÃøÁ¤ÇÕ´Ï´Ù. |
P£ó£½P£ô£P£ö©ü ¡¡ £½P£ó©ü£P£ó©û£P£ö©û¡¡¡¡¡¡¡¡¡¡¡¡ |
©û£ºÀÔ±¸Ãø
¾Ð·Â ©ü£ºÅäÃâÃø
¾Ð·Â |
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Àü¾Ð:
Pt=Total Pressure
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Àü¾ÐÀº Á¤¾Ð°ú µ¿¾ÐÀÇ Àý´ë¾ÐÀÇ ÇÕÀÔ´Ï´Ù. |
Pt =
Ps+Pd |
´ÜÀ§´Â mmAq(Aqure), mmWG, mmH©üO, mAq,
kg/cm©÷, kg/m©÷, Pa,Kapa(1Pa=9.8mmAq) 1 kg/cm©÷= 10,000¡¿(mmAq,
kg/m©÷,mmH©üO),1 mmAq = 1 kg/m©÷,10 mAq = 1 kg/cm©÷
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µ¿¾Ð : Pd=Dymamic Pressure = Velocity
Pressure |
µ¿¾ÐÀº ¼Óµµ¿¡³ÊÁö¸¦ ¾Ð·Â¿¡³ÊÁö·Î ȯ»êÇÑ °ªÀÔ´Ï´Ù. FANÀÇ µ¿¾ÐÀº 50mmAq ( ¾à 30m/s)¸¦ ³ÑÁö ¾Ê´Â °ÍÀÌ
¹Ù¶÷Á÷ÇÔ´Ï´Ù. Àü¾ÐÀº Á¤¾Ð°ú µ¿¾ÐÀÇ Àý´ë¾ÐÀÇ ÇÕÀÔ´Ï´Ù.
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- V : Velocity(m/s)
- r : Specific weight (kg/§©)
- g : Acc Velocity (m/s©÷)
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