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Selection of the size and shape of tower intakes

Mikhailov, I. E. / Zolotukhin, V. I.

Conclusions 1. Minimum local head losses in an intake are observed with a horizontal arrangement of the intake opening sill (ϕsill=0°). In the case of small intake opening heights (t/ dw≤0.25) the ceiling and conical roller gate bottom of these intakes should be inclined at angle ϕceil=22–30° to the horizontal to reduce the head losses. 2. For relative heights of the intake openings t/dw≥0.3 the intakes withϕ sill≤25° and conical roller gate bottom have the same head losses. 3. To reduce the head losses in an intake withϕ sill>25° (when t/dw<0.7) the ceiling and conical cylindrical gate bottom should be inclined at angleϕ ceil=ϕ sill+(7–10°) to the horizontal.

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Selection of the size and shape of tower intakes

Mikhailov, I. E. / Zolotukhin, V. I.

Conclusions 1. Minimum local head losses in an intake are observed with a horizontal arrangement of the intake opening sill (ϕsill=0°). In the case of small intake opening heights (t/ dw≤0.25) the ceiling and conical roller gate bottom of these intakes should be inclined at angle ϕceil=22–30° to the horizontal to reduce the head losses. 2. For relative heights of the intake openings t/dw≥0.3 the intakes withϕ sill≤25° and conical roller gate bottom have the same head losses. 3. To reduce the head losses in an intake withϕ sill>25° (when t/dw<0.7) the ceiling and conical cylindrical gate bottom should be inclined at angleϕ ceil=ϕ sill+(7–10°) to the horizontal.

Selection of the size and shape of tower intakes

Mikhailov, I. E. / Zolotukhin, V. I.

Conclusions 1. Minimum local head losses in an intake are observed with a horizontal arrangement of the intake opening sill (ϕsill=0°). In the case of small intake opening heights (t/ dw≤0.25) the ceiling and conical roller gate bottom of these intakes should be inclined at angle ϕceil=22–30° to the horizontal to reduce the head losses. 2. For relative heights of the intake openings t/dw≥0.3 the intakes withϕ sill≤25° and conical roller gate bottom have the same head losses. 3. To reduce the head losses in an intake withϕ sill>25° (when t/dw<0.7) the ceiling and conical cylindrical gate bottom should be inclined at angleϕ ceil=ϕ sill+(7–10°) to the horizontal.

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Title:

Selection of the size and shape of tower intakes

Contributors:

Mikhailov, I. E. (author) / Zolotukhin, V. I. (author)

Published in:

Hydrotechnical Construction ; 12 ; 147-150

Publication date:

1978-02-01

Size:

4 pages

ISSN:

1570-1468 , 0018-8220

DOI:

https://doi.org/10.1007/BF02304675

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Energy Source , Power Generation , Power Engineer , Renewable Energy Source , Structural Foundation Engineering , Energy Technology , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics

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