目次へ角ダクト分流_直付け@→B |
空気調和衛生工学便覧 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
損失係数 f |
|
|
f |
1.16 |
|
|
|
|
1 |
3 |
|
|
辺長a |
100 |
50 |
mm |
|
辺長b |
100 |
50 |
mm |
|
面積A=a*b |
0.01 |
0.0025 |
m2 |
|
Q3/Q1 |
0.2 |
|
|
v3/v1 |
0.8 |
|
|
分流による圧力損失 hf |
|
hf=f*v1^2*ρ/2 |
48.53 |
Pa/個 |
|
流速 v |
8.333 |
6.667 |
m/s |
|
流量 Q |
5 |
1 |
m3/min |
|
気体密度 ρ |
1.205 |
kg/m3 |
|
|
|
|
|
|
|
|
Q3/Q1 |
|
v3/v1 |
0.1 |
0.2 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
|
0.2 |
1.03 |
|
|
|
|
|
|
|
|
|
0.4 |
1.04 |
1.01 |
|
|
|
|
|
|
|
|
0.6 |
1.11 |
1.03 |
1.05 |
|
|
|
|
|
|
|
0.8 |
1.16 |
1.21 |
1.17 |
1.12 |
|
|
|
|
|
|
1.0 |
1.38 |
1.40 |
1.30 |
1.36 |
1.27 |
|
|
|
|
|
1.2 |
1.52 |
1.61 |
1.68 |
1.91 |
1.47 |
1.66 |
|
|
|
|
1.4 |
1.79 |
2.01 |
1.90 |
2.31 |
2.28 |
2.20 |
1.95 |
|
|
|
1.6 |
2.07 |
2.28 |
2.13 |
2.71 |
2.99 |
2.81 |
2.09 |
2.20 |
|
|
1.8 |
2.32 |
2.54 |
2.64 |
3.09 |
3.72 |
2.48 |
2.21 |
2.29 |
2.57 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.447 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|