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THE CAPACITY OF THE LOW-HEIGHT PIANO KEY WEIR TYPE A IN DRAINAGE CANAL

Hien Chi Truong 1, *
Thuan Hieu Tran 1
  1. University of Technology, VNU-HCM
Correspondence to: Hien Chi Truong, University of Technology, VNU-HCM. Email: pvphuc@hcmuns.edu.vn.
Volume & Issue: Vol. 12 No. 18 (2009) | Page No.: 18-24 | DOI: 10.32508/stdj.v12i18.2378
Published: 2009-12-15

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

The capacity of PK piano weir is 4-5 times higher than conventional weir. This paper describes some hydraulic tests on the low-height P.K. weirs Type A, in order to show that it is possible to build in a drainage canal such a weir, which also improves safety and takes less labor to operate the system. The results of the performed tests can be used in practice as a design hydraulic feature for this weir type (the length of weir, the length of jump). In some cases, an adaptation of these tests could be required.

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