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All Journal SMARTek JOURNAL TEKNIK SIPIL DAN INFRASTRUKTUR JURNAL PENDIDIKAN TAMBUSAI Pancasila: Jurnal Keindonesiaan Jurnal Sains dan Teknologi Tadulako Al Yazidiy: Jurnal Sosial Humaniora dan Pendidikan Riset Sains dan Teknologi Kelautan Tabsyir: Jurnal Dakwah Dan Sosial Humaniora Tadulako Science and Technology Journal Inaba Journal Of Psychology
Yassir Arafat
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Journal : Jurnal Sains dan Teknologi Tadulako

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EFFECT OF PLAN SHAPE ON HYDRAULIC CHARACTERISTICS OF LABYRINTH WEIRS Arody Tanga; Muh. Galib Ishak; Yassir Arafat
Jurnal Sains dan Teknologi Tadulako Vol 9 No 1 (2023): April 2023
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jstt.v9i1.446

Abstract

Labyrinth weirs have a longer crest length compared to linear weirs to increase the discharge capacity for a given water head. Generally, the plan shape of labyrinth weirs is triangular, trapezoidal, and rectangular. In this regard, several studies have been published regarding determining the hydraulic characteristics of labyrinth weirs. However, the effect of changing the plan shape if other parameters such as the same length and height have not been addressed in the current literature. To fill this gap, this study aims to compare the hydraulic characteristics of flow over triangular, trapezoidal, and rectangular labyrinth weirs with the same length of the crest i.e. 230 cm length. Experiments study were conducted in a flume with a length of 16 m and a width of 95 cm. Three experimental models in this study were used. The results of this study indicated that changing the plan shape from trapezoidal to triangular increased the discharge coefficient (Cd) by about 38,0% on average. Furthermore, changing rectangular to triangular increased the Cd by about 64,5% on average. Thus, it can be concluded that the triangular model was the most efficient hydraulically compared to the others while the rectangular model was the least efficient.
Co-Authors Achmad, Djafri Amiruddin, Aswar Arafat, Andi Muhammad Alfian Arody Tanga Fikri, Aldinel I Gede Tunas Mohammad Shopyan Muh. Galib Ishak MULYADI Mulyadi Tajuddin, Istiana Waspadani, Heksa Cendy Yan, Alhadi Yanto, Hiri