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DRAG FORCES ON BAFFLE BLOCKS IN A STILLING BASIN (PERGAU POND MODEL IN UTP LABORATORY)

Azahari, Anis Sabrina (2007) DRAG FORCES ON BAFFLE BLOCKS IN A STILLING BASIN (PERGAU POND MODEL IN UTP LABORATORY). Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Baffle blocks is one type ofenergy dissipater functioning to dissipate excess kinetic energy possessed by flowing ofwater. It is also used to protect downstream area by reducing the velocity of flow to the acceptable limits. Pergau Pond Model was constructed in UTP Laboratory for investigation of Pergau Regulating Pond failure. Objective of this work is to conduct a series of laboratory tests to provide for evaluation ofthe existing empirical relations and possibly come up with new guides for the magnitude and behavior ofthe forces on the baffle blocks in a stilling basin of Pergau Pond Model in UTP Laboratory. The work is done by analyze the effect of different shape, size and discharges to the resulting drag forces. The results obtained shows that higher the frontal area, A, and height ofblock, higher the drag forces. The standard USBR block type provide an optimum drag force compared to sloped trapezoidal shape. It is also proved that higher discharge and velocity value resulting in higher forces. Drag force coefficient is also analyzed and studied from previous investigations. Equipment and measurement error have been found during the lab experimental procedure which affecting the experiment results. Besides, limited equipment available eliminate the better methods could be implemented while avoiding satisfied quantity ofdata obtained. The basic factors influencing the drag force performance has been studied and understood while the knowledge of drag forces on baffle blocks behavior is acquired.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 23 Oct 2013 15:34
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/9514

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