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157957

Effect of Taildepth Variation on Combined Discharge over Weirs and below Gates.

Article

Last updated: 22 Jan 2023

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Subjects

-

Tags

Irrigation and Hydraulic Engineering

Abstract

Recently, both the free and the submerged flow through combined weir and gates were analyzed. But the flow in the zone between free and submerged flow has not analyzed yet. This paper presents the results of an experimental investigation to study the effect of varying tailwater depth on the characteristics of the combined flow over contracted sharp crested rectangular weirs and below contracted rectangular gates of sharp edges. The experiments were carried out in a flume using various geometrical dimensions under different flow conditions. The effects of both flow and geometrical parameters are discussed and presented in graphical form. The dimensional analysis principles were employed to correlate the combined discharge to the geometry and flow parameters. The experimental data were then used to develop a general non-dimensional equation for predicting the discharge through the combined notch knowing its geometry and the head of water over the weir. The predicted discharges agreed well with the experimental ones.

DOI

10.21608/bfemu.2021.157957

Authors

First Name

A.

Last Name

Al-Brahim

MiddleName

M.

Affiliation

Civil Engineering Department., College of Engineering., King Saud University, P.O.Box 800., Riyadh 11421.

Email

-

City

-

Orcid

-

First Name

A.

Last Name

Negm

MiddleName

M.

Affiliation

Water & Water Structures Engineering Department., Faculty of Engineering., Zagazig University., Egypt.

Email

amnegm85@hotmail.com

City

Zagazig

Orcid

-

First Name

A.

Last Name

Ibrahim

MiddleName

A.

Affiliation

Water & Water Structures Engineering Department., Faculty of Engineering., Zagazig University., Egypt.

Email

akader60@hotmail.com

City

-

Orcid

-

Volume

25

Article Issue

2

Related Issue

21254

Issue Date

2000-06-01

Receive Date

2000-02-11

Publish Date

2021-03-20

Page Start

32

Page End

44

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 25_Issue 2_Pages 32-44.pdf

PDF . 369.3kB

Link

https://bfemu.journals.ekb.eg/article_157957.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=157957

Order

15

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

-

Details

Type

Article

Created At

22 Jan 2023