Jili Zhang
Professor

Gender:Male

Alma Mater:Herbin Architectural and Civil Engineering Univers

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Paper Publications

Experimental study of a simple pressure loss coefficient model for multi-hole orifice

Release time:2019-03-11 Hits:

Indexed by:期刊论文

Date of Publication:2008-06-01

Journal:Journal of Harbin Institute of Technology (New Series)

Included Journals:EI

Volume:15

Issue:3

Page Number:399-403

ISSN No.:10059113

Abstract:A throttling experiment for the multi-hole orifice (MO) using water was conducted based on the conclusion of key parameters affecting the MO throttling performance. Testing MOs and standard orifice plates (SOs) were designed for the throttling experiment to compare the throttling effect using the equivalent diameter ratio (RED) and diameter ratio (RD) as key parameters, respectively. Meanwhile, effective metrical conditions were provided for experimental accuracy. The throttling model form was determined according to the theoretical throttling model of SO. Then the unknown parameters involved were identified by experimental data. A good concordance between the modeling computation and experimental results shows a validation of the MO throtting model.

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