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All Journal Rekayasa Mesin DINAMIKA Jurnal Ilmiah Teknik Mesin Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Prosiding Seminar Nasional Riset Kuantitatif Terapan 2017 Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Jurnal Polimesin
Samhuddin Samhuddin, Samhuddin
Program Studi Teknik Mesin Fakultas Teknik Universitas Halu Oleo, Kendari Kampus Hijau Bumi Tridarma Andounohu Kendari 93232
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS KARAKTERISTIK ALIRAN MELALUI PENAMPANG PERSEGI PANJANG MENGGUNAKAN MODEL TURBULEN LARGE EDDY SIMULATION (LES) Barata, La Ode Ahmad; Samhuddin, Samhuddin
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1495

Abstract

Dynamic response, fatigue, and stability issues of a structure are closely related to flow behavior past a bluff body structure. Flow past the free-end rectangular prism is investigated numerically using a Large Eddy Simulation (LES) turbulence model at Re = 22000. The prism model has a constant depth (D) to width (H) ratio D/H = 0.5 for span length variation L (= 10; 7,5; 5,0 and 2,5H). Effects of the free end on the flow characteristics showed that the flow pattern, velocity vector, and fluid forces component are changed. The presence of the free end is closed related to the flow characteristics alteration in the wake, which is presented graphically in this paper. This study suggests the critical aspect ratio of the slender rectangular is 2,5<L/H<5,0 The prism with critical aspect L = 2,5H presented an unusual flow behavior among the test models. The dynamic response of the test model affects the flow pattern in the wake, which is indicated by alteration of the region and intensity of vorticity, velocity vector, hydrodynamic force components, and other local components.
ANALISIS KARAKTERISTIK ALIRAN MELALUI PENAMPANG PERSEGI PANJANG MENGGUNAKAN MODEL TURBULEN LARGE EDDY SIMULATION (LES) Barata, La Ode Ahmad; Samhuddin, Samhuddin
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1495

Abstract

Dynamic response, fatigue, and stability issues of a structure are closely related to flow behavior past a bluff body structure. Flow past the free-end rectangular prism is investigated numerically using a Large Eddy Simulation (LES) turbulence model at Re = 22000. The prism model has a constant depth (D) to width (H) ratio D/H = 0.5 for span length variation L (= 10; 7,5; 5,0 and 2,5H). Effects of the free end on the flow characteristics showed that the flow pattern, velocity vector, and fluid forces component are changed. The presence of the free end is closed related to the flow characteristics alteration in the wake, which is presented graphically in this paper. This study suggests the critical aspect ratio of the slender rectangular is 2,5<L/H<5,0 The prism with critical aspect L = 2,5H presented an unusual flow behavior among the test models. The dynamic response of the test model affects the flow pattern in the wake, which is indicated by alteration of the region and intensity of vorticity, velocity vector, hydrodynamic force components, and other local components.
Co-Authors A.A. Ketut Agung Cahyawan W Abd Kadir, Abd Abd. Kadir Adha, Ismail Adha, Ismail Aksar, P Aksar, Prinob Aminur Aminur Andri, Muh. Asmin Asmin, Asmin Aswandi, Baso Aswar, Muh Ato, La Balaka, R Budiman Sudia, Budiman Darwin Darwin Darwis, Mardis Defi, Sry DWI SURYANTO Feliks Eldad Larobu Hasanudin, La I Nyoman Udayana Imran, Al Ichlas Imran, Nur Al Iqwal, La Ode Jaka Seru Dwi Saputra Jamiluddin, Jamiluddin Kadir Kadir Kusmardin, Kusmardin La Ode Ahmad Barata Laode Abdul Gamsir Lukas Kano Mangalla, Lukas Kano Lukman, Muh Rahmat Mangalla, Lukas K. Mariudin, Rachmad Misar, Misar MUHAMMAD HASBI Muhammad Zakaria Umar, Muhammad Zakaria Mulawarman Mulawarman Musadar Mappasomba PAISAL PAISAL Prayudhi, Muhammad Mirdhad Putra, Muhammad Idris R.Y.P, Lalu Junaedi Raden Rinova Sisworo Ramadhan, Muhammad Syahrul Ridway Balaka, Ridway Rustam Efendi Saleh, La Ode Muhamad Salimin Salimin, Salimin Saputra, Fahri Ari Saputraa, Ardhii Simatupang, Minson Sisno, Sisno SITTI ROSYIDAH, SITTI Sudarsono Syahrun, Muhammad Tando, Arjal Umar, Mazhfia Yusnidarsyah, C Yusuf, Muhammad Ridwan Zulvikar, Zulvikar