Chemistry
Senior High
化学工学についてです。
問10がなぜこの答えになるのかわかりません。
10. 比重0.87 の油が, 15A鋼管内を毎時500kg の割合で流れている。
管内の平均流速を求めよ。
10 P.0.87. 15A…16.1x10~ [m] Y- 500[kg/h] ū…?
P-0.87x100
=8.70x10°[k3/m]
1000
V= 500 [ka/h」×0
X300
=139x10° [m/s
Lx(6.1x10
S-
4
1.39x10[m/s]
U =
2,04x10[m]~
= 6.81x105 [m/s]
0.785 [m/s]
204×」0* [m°]
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