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All Journal Jurnal Ilmu Dasar Jurnal Teori dan Aplikasi Fisika JASIEK (Jurnal Aplikasi Sains, Informasi, Elektronika dan Komputer) De`Teksi : Jurnal Teknik Sipil
Simon Sembiring
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Lampung, Lampung 35145
Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mathematics Physics Transportation

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Karakteristik Termal (DTA/TGA) dan Konduktivitas Termal Cordierite (2MgO.2Al2O3.5SiO2) Berbasis Silika Sekam Padi Akibat Penambahan MgO (0, 10, 15%berat) Annisa Rizka Amalia; Simon Sembiring; Wasinton Simanjuntak
Jurnal Teori dan Aplikasi Fisika Vol. 5 No. 1 (2017): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v5i1.139

Abstract

Pengaruh Penambahan Periclase (0,10,15)% Terhadap Karakteristik Struktur dan Kekerasan Cordierite Anggita Maharani; Simon Sembiring; Bambang Joko Suroto
Jurnal Teori dan Aplikasi Fisika Vol. 5 No. 1 (2017): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v5i1.142

Abstract

PengaruhPenambahan Alumina (0 dan 10wt%) Terhadap Karakteristik Termal (DTA-TGA) dan Konduktivitas Termal Bahan Keramik Cordierite Berbasis Silika Sekam Padi Nesya Tamalia; Simon Sembiring; Wasinton Simanjuntak
Jurnal Teori dan Aplikasi Fisika Vol. 5 No. 1 (2017): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v5i1.144

Abstract

Pengaruh Penambahan Inhibitor Ekstrak Kulit Kakao (Theobroma cacao) terhadap Laju Korosi Baja Api 5 L pada Medium NaCl 3% dan HCl 3% Liyana Mardova; Ediman Ginting Suka; Simon Sembiring
Jurnal Teori dan Aplikasi Fisika Vol. 7 No. 1 (2019): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v7i1.199

Abstract

Corrosion inhibition of low carbon API 5L by cocoa peel extract (Theobroma cacao) in corrosive medium of natrium chloride and hydrochloride acid of 3% has been investigated. The test was carried out by weight loss method. Corrosion rate was tested on low carbon steel with and without the tea leaves extract for 4 days with concentration of 0, 500, 1000, and 1500 ppm. The research result show that the more percentage of cocoa peels inhibitor extract, the lower corrosion rate so that capability of inhibition will increase. The biggest inhibition efficiency corrosion occurred at concentrations of 1500 ppm in NaCl and HCl with efficiency of 93,39% and 73,6% respectively. The X-Ray Diffraction (XRD) result shows that the phase was Fe. Scanning Electron Microscopy (SEM) shows that the grain size and cluster is bigger, hole and crack also shows is lower of with inhibitor than without inhibitor. Energy Dispersive Spectroscopy (EDS) shows that there is Cl element on sample without inhibitor.
Evaluasi Kinerja Distribusi Air Bersih Menggunakan AplikasiWeb-Based EPANET-JS Berdasarkan SNI 7509:2011 (Studi Kasus: KCP Tambelang Perumda Tirta Bhagasasi) Mila Olivia Trianaputri; Simon Sembiring
Jurnal Teknik Sipil Vol. 11 No. 2 (2026): De'Teksi : Jurnal Teknik Sipil
Publisher : Universitas Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56071/deteksi.v11i2.1928

Abstract

EPANET JavaScript (EPANET-JS) merupakan aplikasi pemodelan jaringan distribusi air bersih berbasis web yang dikembangkan dari EPANET Desktop dengan mengintegrasikan fungsi analisis spasial dan hidrolis. Penggunaan EPANET-JS dapat mempermudah perencanaan dan evaluasi jaringan distribusi di lingkungan Perumda Air Minum. Perumda Tirta Bhagasasi melayani Kecamatan Tambelang yang sedang dipertimbangkan menjadi ibu kota pemekaran wilayah Kabupaten Bekasi Utara. Analisa terhadap kinerja sistem distribusi air bersih di KCP Tambelang saat ini diperlukan dalam mendukung peningkatan pelayanan ke daerah tersebut. Pengukuran sampel tekanan di titik pelanggan dilakukan sebagai kalibrasi untuk simulasi model. Selanjutnya, hasil simulasi dibandingkan dengan standar teknis nilai tekanan pada SNI 7509:2011 untuk mengetahui kinerja KCP Tambelang. Hasil penelitian menunjukan kapasitas pompa yang digunakan saat ini mengalami penurunan kinerja sehingga dilakukan penyesuaian terhadap parameter pompa. Hasil simulasi menunjukan 93,2% node memenuhi standar SNI 7509:2011. Rekomendasi optimasi meliputi melakukan uji performa pompa, penggantian dan pengadaan pompa cadangan, peningkatan frekuensi flushing dan percepatan pengembangan SR
Co-Authors Ade Lia Tristiana Anggita Maharani Annisa Rizka Amalia Aris Pratama Bambang Joko Suroto Desyandri Desyandri Dian Dahliana Ediman Ginting Suka Kamisah D Pandiangan Lidiya Permata Dewi Mardova, Liyana Mila Olivia Trianaputri Nesya Tamalia Nur Faizah Pandapotan Tambunan Prastiana Tiara Pratiwi Pulung Karo-Karo Putri Hanifah Liani Rudy Situmeang Shella Windi Oktivianty Suprihatin Suprihatin Vinindia Kusuma Wasinton Simanjuntak