Article Per Year (5 Year)
p-Index From 2020 - 2025
0.444
P-Index
This Author published in this journals
All Journal Teknisia JUSTER: Jurnal Sains dan Terapan
Erwin Nur Afiato
Institut Teknologi Nasional Yogyakarta
Biochemistry, Genetics & Molecular Biology Chemistry Energy Engineering Immunology & microbiology Physics

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
ANALISIS ANGKUTAN SEDIMEN DASAR (BED LOAD) PADA SALURAN IRIGASI MATARAM YOGYAKARTA Anggi Hermawan; Erwin Nur Afiato
TEKNISIA Vol. XXVI, No. 1, Mei 2021
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol26.iss1.art3

Abstract

In the last decade, the problem that has occurred in the Yogyakarta Mataram irrigation channel is the occurrence of sedimentation in the channel. This has an impact on reducing the cross-sectional discharge capacity of the canal and resulting in the supply of irrigation discharge to agricultural areas to be not optimal, so that agricultural productivity in the Mataram Irrigation Area will also not be optimal. The sediment transport (bed load) that occurs in an open channel can be approached using the empirical equation, including the Einstein, Meyer - Peter Muller and Frijlink equations. Sediment transport events that occur in the channel are stated based on the magnitude of the flow shear stress which exceeds the critical shear stress of the sediment particles. The quantity of sediment transport in the channel is stated on the logarithmic curve of the relationship between the froude number (fr) to the sediment transports (qb). The Curve  explains that the increase in the froude number (fr) that occurs on each section of the channel  will be directly proportional to the increase in the quantity of transport sediment (qb). The largest sediment transport occurred at the site of the Gambang and Nambongan channel section with a prediction of sediment transport of 3.57 m3/day and 3.67 m3/day, respectively. Thus, the potential for sediment transport that will settle in the downstream area is 3.67 m3/day.
Konsentrasi Sedimen Suspensi Rata-Rata Kedalaman Berdasarkan Pengukuran 1, 2, dan 3 Titk Pada Aliran Dipercepat Anggi Hermawan; Erwin Nur Afiato; Oggi Heicqal Ardian
JUSTER : Jurnal Sains dan Terapan Vol. 2 No. 2 (2023): JUSTER: Jurnal Sains dan Terapan
Publisher : Jompa Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Proses pengambilan sampel untuk sebaran konsentrasi sedimen tersuspensi di lapangan seringkali tidak dapat dilakukan sesuai dengan standar pengambilan sampel yang benar karena banyaknya kendala yang dihadapi di lapangan. Kendala tersebut akan mengakibatkan ketidakakuratan debit sedimen tersuspensi. Bagaimana dan di lokasi mana pengambilan sampel dilakukan mungkin perlu dipertimbangkan karena berbagai kendala pada pengambilan sampel di lapangan. Penelitian ini menggunakan metode point integrated sampling methode yang dianggap lebih akurat dibandingkan depth-integrated sampling. namun, data profil konsentrasi sedimen tersuspensi dalam jumlah besar diperlukan pada kedalaman keseluruhan, yang berarti bahwa metode tersebut membutuhkan lebih banyak waktu dan biaya untuk mengumpulkan data pengambilan sampel. Nilai konsentrasi sedimen tersuspensi rata-rata kedalaman yang ditentukan menggunakan Persamaan 9, 10, dan 11 masih dapat diandalkan karena memiliki nilai faktor koreksi mendekati 1 (satu), Cte1 @Cte2 @Cte3 @1.
Co-Authors Anggi Hermawan Oggi Heicqal Ardian