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124639

Relationship between Visual Cavitation Inception and 3% Drop in Head in Centrifugal Pumps.

Article

Last updated: 22 Jan 2023

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Subjects

-

Tags

Mechanical Power Engineering

Abstract

Pumps were designed and manufactured to operate far from the cavitation condition. Pump designer has defined the cavitation inception point as the point where the head drops by 3 %. This definition is incorrect, because the first appearance of vapour bubbles was observed earlier than 3% drop in the head. Therefore using 3 % drop in head, as indication parameter for cavitation inception has always resulted in damage in pumps during operation. This paper describes visual studies conducted to determine the variation of net positive suction head with flow rate, rotational speed and water temperature. A special correlation between the visual net positive suction head and net positive suction head corresponding to 3 % drop in head was predicted at various operating conditions.

DOI

10.21608/bfemu.2020.124639

Keywords

Cavitation inception, Net Psitive Suction Head, Visualization

Authors

First Name

M.

Last Name

Hosien

MiddleName

-

Affiliation

Mechanical Power Engineering Department ., Faculty of Engineering

Email

-

City

-

Orcid

-

First Name

S.

Last Name

Selim

MiddleName

M.

Affiliation

Minoufiya University, Shebin El -Kom, Egypt

Email

-

City

Minoufiya

Orcid

-

Volume

35

Article Issue

2

Related Issue

18139

Issue Date

2010-06-01

Receive Date

2010-04-11

Publish Date

2020-11-21

Page Start

22

Page End

38

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 35_Issue 2_Pages 22-38.pdf

PDF . 1.8MB

Link

https://bfemu.journals.ekb.eg/article_124639.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=124639

Order

5

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