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熱線流速計

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測 定 結 果<br />

31<br />

3<br />

2<br />

1<br />

0<br />

-1<br />

-2<br />

-3<br />

0 2 4 6 8 10 12 14 16<br />

ωz2h/U<br />

X/2h<br />

-2000-1800-1600-1400-1200-1000 -800 -600 -400 -200 0 200 400 600 800 1000 1200 1400 1600 1800 2000<br />

流 体 工 学 特 論<br />

Xプローブ<br />

32<br />

v<br />

U 1<br />

2<br />

U<br />

E1<br />

=<br />

=<br />

1<br />

=<br />

1<br />

( u − v),<br />

2<br />

U<br />

2<br />

1<br />

+ eU<br />

2<br />

2<br />

U<br />

=<br />

=<br />

⎛ 1<br />

⎜1<br />

+ e − (1 − e)<br />

u ⎜ 2<br />

⎜<br />

2 ⎜ 1 ⎧<br />

⎜ ⎨e<br />

+ 2(1 − e)<br />

⎝ 8 ⎩<br />

2<br />

1<br />

2<br />

v<br />

u<br />

v<br />

u<br />

1<br />

( u + v)<br />

2<br />

( u − v)<br />

2<br />

+ e(<br />

u + v)<br />

U 2<br />

1 ⎛ v ⎞<br />

2 ⎞<br />

+ (1 + e)<br />

⎜ ⎟ + ⎟<br />

2 ⎝ u ⎠ ⎟<br />

2 ⎟<br />

⎛ v ⎞<br />

2⎫<br />

+ (1 + e)<br />

⎜ ⎟ + ⎟<br />

⎬ ......<br />

⎝ u ⎠<br />

⎟<br />

⎭ ⎠<br />

2<br />

u<br />

E<br />

u =<br />

1<br />

1 + E 2 E 1 − E 2<br />

2<br />

,<br />

v =<br />

2<br />

流 体 工 学 特 論

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