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№1 (85) — ЖУРНАЛ "ТРУБОПРОВІДНИЙ ТРАНСПОРТ", 01-12.2014

№1 (85) — ЖУРНАЛ "ТРУБОПРОВІДНИЙ ТРАНСПОРТ", 01-12.2014

№1 (85) — ЖУРНАЛ "ТРУБОПРОВІДНИЙ ТРАНСПОРТ", 01-12.2014

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4<br />

3<br />

⎛ T ⎞ ⎛<br />

2 T ⎞ ⎛<br />

2<br />

T ⎞<br />

2<br />

T2<br />

= 0, 064⋅<br />

⎜ <strong>01</strong>945 ,<br />

0,<br />

244 − 0,<br />

2114 ⋅ 0,<br />

993<br />

*<br />

⎟ − ⋅<br />

⎜ + ⋅<br />

*<br />

⎟<br />

⎜<br />

*<br />

⎟<br />

*<br />

⎝T1<br />

⎠ ⎝T1<br />

⎠ ⎝T1<br />

⎠ T1<br />

T<br />

ηт s<br />

+<br />

2<br />

Kη<br />

= K<br />

⋅ K<br />

Ne<br />

тs Ne η тs<br />

P<br />

0 8956 ( ) 0 ,<br />

η<br />

<strong>01</strong>2<br />

т s = , ⋅ π т<br />

P<br />

ηтs<br />

Kη тs =<br />

T<br />

η<br />

P<br />

η тs<br />

тs<br />

T<br />

η тs

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