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All Journal Majalah Forum Teknik UGM Jurnal Voering
Sigit Hernowo
Politeknik Saint Paul Sorong
Energy Engineering Mechanical Engineering

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RANCANG BANGUN TURBIN ANGIN SUMBU HORIZONTAL SEDERHANA DENGAN PANJANG SUDU 1 METER Sigit Hernowo
Jurnal Voering Vol 5 No 1 (2020): Jurnal Voering - Juli 2020
Publisher : Politeknik Katolik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/jvoe.v5i1.216

Abstract

Pembangkit listrik tenaga angin merupakan salah satu jenis pemanfaatan energi terbarukan yang pengembangannya mulai digalakkan lagi seiring dengan keterbatasan bahan bakar fosil. Jenis pembangkit ini sesuai jika digunakan pada skala kecil untuk memenuhi kebutuhan energi di pemukiman-pemukiman terpencil yang jauh dari akses listrik konvensional, terutama pada desa-desa pantai yang memiliki potensi angin memadai. Salah satu jenis turbin angin adalah turbin angin sumbu horizontal. Perancangan turbin angin sumbu horizontal dengan 3 sudu dilakukan dengan memperhatikan aspek-aspek pembebanan dan pemilihan material. Kontruksi dilengkapi dengan menara dan disambungkan ke generator. Pengujian dengan pengoperasian pada kecepatan angin 3, 3,5, 4, 4,5, 5, 5,5, dan 6 m/s. Analisis dilakukan untuk mengetahui daya total, daya maksimal, dan daya aktual yang dihasilkan.
Retrofitting Sambungan Kolom-Balok Beton Bertulang Ekspansi Planar Segitiga dengan Variasi Ukuran Sigit Hernowo; Ade Lisantono
Forum Teknik Vol 37, No 1 (2016)
Publisher : Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (878.631 KB)

Abstract

Highly seismic activities in Indonesia, that is followed by a lot of high magnitude earthquakes, make awareness of the people to anticipate the damage that caused by this disaster. The Codes of earthquake have changed and are accompanied by the change of seismic region. There must be some efforts to improve the existing building structure. One of the efforts is retrofitting the beam-column joint which is the weakest element of structure in the building when subjected to earthquake loading. Four beam-column joint reinforced concrete specimens, namely SJC, SJ-01, SJ-02, and SJ-03, made of normal concrete and plain reinforcement were tested in this experimental program. Beam with 150 mm width, 250 mm high, and 1500 length be jointed with column that has section area of 250 mm x 250 mm, and 1750 mm length. The specimens of SJ-01, SJ-02 and SJ-03 were retrofitted by triangular voute in lower side of the beam in the beam column joint region with 125 mm, 187.5 mm, and 250 mm side length, respectively. All specimens are tested with cyclic loading using hydraulic actuator. The results show that the increasing strength of specimen SJ-01 and SJ-03 compare to the reference specimen were 12.74% and 10.29%, respectively. While the strength of specimen SJ-02 a little bit decreasescompare to the reference specimen.Keywords: beam-column joint, reinforced concrete, retrofitting, voute, cyclic loading.
Co-Authors Ade Lisantono, Ade