¼³°èÁ¶°Ç
1.À¯Ã¼: °ø±â
2. ºñÁß·®: 1.293 kgf/m^3
3. ¼Óµµ: 4m/sec
4.duct size: 1.2mx1.2m (ȯ»êÁ÷°æ D=1.31m/ÈíÀÔ,ÅäÃâ ¸ðµÎ µ¿ÀÏ) * .Èí ÀÔ ºÎ´Â hood (2.5mx2.5m ÀÓ)
5.ÈíÀԺΠ¼öÁ÷(»ó¹æÇâ)°Å¸®: 5m, °î°üºÎ-4±ºµ¥.
ÈíÀԺΠduct Àü±æÀÌ:38m(À§ÀÇ ¼öÁ÷°Å¸® 5mÆ÷ÇÔ)
7. ÅäÃâºÎ ¼öÁ÷(»ó¹æÇâ)°Å¸®: 6m, °î°üºÎ-2±ºµ¥
ÅäÃâºÎ duct Àü±æÀÌ:20m
8. À¯·®: Q=705 m^3/min
.
*.°è»ê°úÁ¤
1. Suction Pressure(À½¾Ð) |
¡¡ |
¡¡ |
1)µ¿¾Ð ¥ÄP1 : ¾ø½¿(Á¤Ã¼Á¡) |
|
0 |
2)Á¤¾Ð ¥ÄP2=¥Ô*H1= 1.293x5= |
mmAq(=kg/§³) |
6.465 |
3)°ü¸¶Âû¼ø½Ç ¥ÄP3=f*L1/D*¥ã*V^2/2*g=0.010x38/1.31x (1.293x4^2)/2x9.8=
*. ¿©±â¿¡¼ "L1(´ÚÆ®±æÀÌ)"´Â À§ÀÇ Á¤¾Ð°è»ê½ÄÀÇ ³ôÀÌ "H"°ªÀ» »©°í °è»êÇØ¾ß Çϳª¿ä? ¾Æ´Ï¸é ÀüºÎ ´Ù ´õÇÏ¸é µÇ´Â°Ç°¡¿ä? |
mmAq |
1.62323828 |
4)ºÎÂ÷Àû(°î°ü)¼Õ½Ç ¥ÄP4=n1*C1*¥ã*V^2/2*g |
|
4.702297959 |
5)ºÎÂ÷Àû(Ãà¼Ò.È®°ü)¼Õ½Ç ¥ÄP5=C2*¥ã*V^2/2*g |
|
0.641222449 |
6) Total Suction Pressure |
|
¡¡ |
(À½¾Ð) Ps=¥ÄP1+¥ÄP2-¥ÄP3-¥ÄP4= |
mmAq(=kg/§³) |
-0.139463761 |
|
|
|
2. Discharge Pressure(¾ç¾Ð) |
¡¡ |
¡¡ |
1)µ¿¾Ð ¥ÄP1=¥ã*V^2/2*g |
mmAq(=kg/§³) |
5.343520408 |
2)Á¤¾Ð ¥ÄP2=¥Ô*H2 |
mmAq(=kg/§³) |
7.758 |
3)°ü¸¶Âû¼ø½Ç ¥ÄP3=f*L2/D*¥ã*V^2/2*g |
mmAq |
0.854335937 |
4)ºÎÂ÷Àû(°î°ü)¼Õ½Ç ¥ÄP4=n2*C1*¥ã*V^2/2*g |
|
0 |
5)ºÎÂ÷Àû(Ãà¼Ò.È®°ü)¼Õ½Ç ¥ÄP5=C2*¥ã*V^2/2*g |
|
0.641222449 |
6) Total Discharge Pressure |
|
¡¡ |
(¾ç¾Ð) Pd=¥ÄP1+¥ÄP2-¥ÄP3-¥ÄP4= |
mmAq(=kg/§³) |
14.59707879 |
¡¡ |
¡¡ |
¡¡ |
3. Total Pressure : Pd-Ps= (mmAq) |
¡¡ |
14.73654255 |
*. Áú¹®»çÇ×Á¤¸®
1.À§ °è»êÇÏ´Â ¹æ½ÄÀÌ ¸Â´ÂÁö¿ä?->ÈÇаøÇп¡¼ ³î·Á³õÀ¸½Å ¼Ûdz±â¾Ð·Â¼³°è ºÐ ÂüÁ¶ÇÔ
2. À§¿¡¼´Â " Á¤¾ÐÀº ¥ÄP2=¥Ô*H1=ºñÁß·®x´öÆ®¼öÁ÷³ôÀÌ" -ÀÌ·¸°Ô °è»ê ÇسõÀ¸¼Ì´Âµ¥¿ä, ÀÌ°É º°µµ·Î °è»êÇÏÁö ¾Ê°í , ¶Ç ´Ù¸¥ Àü¹®¼Àû¿¡¼´Â ´öÆ®Àüü±æÀ̸¦ ¸ðµÎ ÇÕ»êÇÏ¿© ¼Õ½Ç¾Ð·ÂÀ» °è»êÇØ ³õÀº°Íµµ ÀÖ´õ¶ó±¸¿ä.
Áï, °ü¸¶Âû¼ø½Ç ¥ÄP3=f*L2/D*¥ã*V^2/2*g (L2=´öÆ®Àüü±æÀÌ) ÀÔ´Ï´Ù.
¾î¶²¹æ½ÄÀ¸·Î ÇØ¾ß ¸Â´ÂÁö¿ä?
3. ±×¸®°í ¼Ûdz±â¸¦ Áß½ÉÀ¸·Î ´öÆ®¼öÁ÷¹æÇâÀÌ À§·Î ÇâÇϰųª, ¾Æ·¡·Î ÇâÇϴ°æ¿ì¿¡´Â ¾î¶»°Ô ´Þ¶óÁö´ÂÁö¿ä? ¾Æ´Ï¸é °ü°è¾ø³ª¿ä?
·¹À̳îÁî ¼ö Re=¥ñVd/¥ì=¥ñV(d=4Rh)/¥ì=¥ñV(4*A/P)/¥ì |
828691.0995 |
828691.0995 |
¿øÇü´Ü¸é ¼ö·Â¹ÝÁö¸§ Rh=d/4 |
|
0.327949602 |
ȯ»êÁ÷°æ d=1.3*(a*b)^0.625/(a+b)^0.25 |
|
1.311798408 |
Rh=A/P |
|
0.3 |
|
|
¡¡ |
|
|
¡¡ |
|
|
|
f=0.3164 Re^-1/4 Re>4000 |
this value |
0.010486687 |
µµ¿ò¿äû µå¸³´Ï´Ù.
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