PENGARUH PENAMBAHAN VARIASI GEOMETRI STERN FLAP TERHADAP NILAI HAMBATAN PADA KAPAL PATROLI PERIKANAN Article Swipe

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Rosiana Dewi , Untung Budiarto , Ari Wibawa Budi Santosa , Eko Sasmito Hadi , Parlindungan Manik , Ocid Mursid ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.33556/jstm.v22i1.296

Optimalisasi performa hidrodinamika kapal dengan mereduksi hambatan kapal patroli planing hull berkecepatan tinggi merupakan salah satu upaya pencegahan peningkatan khasus illegal fishing , dan instalasi stern flap merupakan upaya sederhana dalam mereduksi nilai hambatan. Menurut sejarah penelitian terdahulu, dibutuhkan studi lebih lanjut dalam pengeksplorasian ragam geometri stern flap . Pada penelitian ini dilakukan analisis pengaruh variasi geometri stern flap untuk mengetahui nilai hambatan dari kapal patroli perikanan dengan pendekatan numerikal CFD. Komputasi diselesaikan dengan persamaan Reynolds-Averaged Navier Stokes (RANS) serta teknik solusi Finite Volume Method (FVM) pada perairan tenang menggunakan model turbulensi k-ε dan model fisika fluida eulerian multiphase yaitu Volume of Fluid (VOF) yang terdiri dari fasa air dan fasa udara untuk merepresentasikan free surface . Meshing geometri menggunakan metode overset mesh dengan konsep donor-acceptor cells . Penelitian dilakukan pada 5 kondisi Froude number dan 9 buah model stern flap . Diperoleh pengurangan nilai hambatan total tertinggi yaitu -26,07% pada Fr 1,00, sedangkan penambahan nilai hambatan tertinggi yaitu 31,71% pada Fr 1,33. Terdapat 2 variasi bentuk stern flap yang mampu mereduksi nilai hambatan pada seluruh nilai Froude number .

Related Topics

Physics

Froude Number

Breakup

Concepts

Physics Froude number Mechanics Breakup

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Type: article
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Landing Page: https://doi.org/10.33556/jstm.v22i1.296
PDF: https://jurnal.unimar-amni.ac.id/index.php/JSTM/article/download/296/147147241
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DOI: https://doi.org/10.33556/jstm.v22i1.296

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Title: PENGARUH PENAMBAHAN VARIASI GEOMETRI STERN FLAP TERHADAP NILAI HAMBATAN PADA KAPAL PATROLI PERIKANAN

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Publication year: 2021

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Publication date: 2021-09-28

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Authors: Rosiana Dewi, Untung Budiarto, Ari Wibawa Budi Santosa, Eko Sasmito Hadi, Parlindungan Manik, Ocid Mursid

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Landing page: https://doi.org/10.33556/jstm.v22i1.296

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PDF URL: https://jurnal.unimar-amni.ac.id/index.php/JSTM/article/download/296/147147241

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OA URL: https://jurnal.unimar-amni.ac.id/index.php/JSTM/article/download/296/147147241

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Concepts: Physics, Froude number, Mechanics, Breakup

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