Analisa Kehilangan Air Pada Pintu Klep Di Saluran

Nabila Shafa Maulida; Achmad Syarifudin

doi:10.31004/koloni.v5i3.1457

Authors

Nabila Shafa Maulida Universitas Bina Darma
Achmad Syarifudin Universitas Bina Darma

DOI:

https://doi.org/10.31004/koloni.v5i3.1457

Keywords:

sluice gate, open channel, water loss, flow discharge, Reynolds number, Froude number.

Abstract

Water loss in open channels is one of the problems that can affect the efficiency of water distribution. The use of a sluice gate as a flow control structure can cause changes in flow characteristics and discharge along the channel. This study aims to determine the flow characteristics in an open channel using a sluice gate and to analyze the effect of gate opening variations on water loss. The study was conducted experimentally using a 6 m long flume at the Hydraulics Laboratory of the Civil Engineering Study Program, Universitas Bina Darma. The gate opening variations were 1 cm, 1.5 cm, and 2 cm, representing 25%, 50%, and 75% openings, respectively. The measured parameters included discharge, flow velocity, water depth, Reynolds number, and Froude number. Water loss was analyzed based on the difference between the inlet and outlet discharge. The results showed that the inlet discharges were 1.050 m³/s, 1.230 m³/s, and 1.210 m³/s, while the outlet discharges were 0.028 m³/s, 0.041 m³/s, and 0.047 m³/s, respectively. Based on the difference between the inlet and outlet discharge, the water losses were 1.022 m³/s, 1.189 m³/s, and 1.163 m³/s, respectively. The Reynolds number analysis indicated that the flow before and after the sluice gate was turbulent, while the Froude number analysis indicated that the flow remained supercritical. Thus, variations in sluice gate opening resulted in differences in discharge and water loss under the tested flow conditions.

References

Abidin, M. H., Ashar., Musa, R., Mallombasi, A., & SAR, M. (2022). Studi karakteristik aliran melalui pintu romijn pada saluran terbuka. JILMATEKS (Jurnal Ilmiah Mahasiswa Teknik Sipil), 4(2).

Albas, J., & Permana, S. (2016). Kajian pengaruh tinggi bukaan pintu air tegak (sluice gate) terhadap bilangan Froude. Jurnal Konstruksi, 14(1).

Anggrahini. (2005). Hidrolika saluran terbuka. Yogyakarta: Universitas Gadjah Mada Press.

Astuti, G. Y. D., & Hariati, F. (2016). Studi karakteristik aliran pada flume saluran terbuka di Laboratorium Teknik Sipil UIKA. Jurnal Teknik Sipil, 5(1).

Fadhillah, M. P., & Arbaningrum, R. (2026). Analisa energi spesifik terhadap kemiringan pada saluran terbuka akibat penggunaan pintu klep. Jurnal Teknik Sipil: Rancang Bangun, 12(1), 27–34.

Flow in Open Channels — Subramanya, K. (2017). Flow in Open Channels (5th ed.). McGraw Hill Education.

Fluid Mechanics Fundamentals and Applications — Çengel, Y. A., & Cimbala, J. M. (2018). Fluid Mechanics: Fundamentals and Applications (4th ed.). McGraw-Hill Education.

Fundamentals of Hydraulic Engineering Systems — Houghtalen, R. J., Akan, A. O., & Hwang, N. H. C. (2017). Fundamentals of Hydraulic Engineering Systems (5th ed.). Pearson.

Haq, I. D. (2021). Kajian debit aliran pada flume besar Laboratorium Hidrolika Jurusan Teknik Sipil Universitas Islam Indonesia (Tugas akhir, Universitas Islam Indonesia).

Hydraulics of Open Channel Flow — Chanson, H. (2019). Hydraulics of Open Channel Flow (3rd ed.). Elsevier.

Keller, R. J. (2016). Henderson Oration: Is Open Channel Flow Worth the Effort?

Kubrak, E., Kubrak, J., Kiczko, A., & Kubrak, M. (2020). Flow Measurements Using a Sluice Gate; Analysis of Applicability. Water (Switzerland). 12(3). https://doi.org/10.3390/w12030819

Maricar, F., Maricar, M. F., & Sasmito, S. G. (2020). A flume experiment study of energy lose at downstream of a sluice gate. IOP Conference Series: Earth and Environmental Science, 419(1), 012110. https://doi.org/10.1088/1755-1315/419/1/012110

Mawardi, E. (2007). Desain hidrolik bangunan irigasi. Bandung: Alfabeta.

Sahitua, A., Ashad, H., & Mallombasi, A. (2023). Kajian energi spesifik terhadap loncatan air akibat variasi tinggi bukaan pintu klep. Innovative: Journal of Social Science Research, 3(4), 1980–1990.

Salah, N.D., Mohammed-Ali, W.(2025) .The Analytical Approach for Estimating the Hydraulic Characteristics of Sluice Gates. Instrumentation Mesure Metrologie. 24(2). https://doi.org/10.18280/i2m.240202.

Setiawan, Y. S. (2020). Analisa kehilangan air pada saluran sekunder daerah irigasi Sumbergading Kabupaten Bondowoso. Jurnal Info Studi Teknik Sipil S-1.

Sunaryo. (2020). Analisis kehilangan air irigasi pada saluran primer dan sekunder daerah irigasi Rentang Jawa Barat. Jurnal Rekayasa Infrastruktur, 6(1).

Triatmodjo, B. (1993). Hidraulika I. Yogyakarta: Beta Offset.