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All Journal Rekayasa Mesin G-Tech : Jurnal Teknologi Terapan Eksergi: Jurnal Teknik Energi IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
Fauzan Baananto
Politeknik Negeri Malang
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Studi Numerik Pembakaran Butana (C4H10) dalam Meso Scale Combustor dengan Perforated Plate Baananto, Fauzan; Yuliati, Lilis; Hamidi, Nurkholis
Jurnal Rekayasa Mesin Vol 9, No 2 (2018)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (410.851 KB) | DOI: 10.21776/ub.jrm.2018.009.02.1

Abstract

This research was conducted to determine the combustion stability and flame temperature inside meso-scale combustor with variations of perforated plate flame holder and combustion gas temperature at combustor exit side using numerical method or Computational Fluid Dynamics (CFD). Meso-scale combustor is made of two pieces of quartz glass tube with a length of 20 mm and 10 mm. Each quartz glass tube having an internal diameter of 3.5 mm and a wall thickness of 0.7 mm. Two kinds of perforated plate flame holder made of copper i.e. perforated plate type I and perforated plate type II, inserted between two quartz glass tubes. Butane (C4H10) and air were used in this study as fuel and oxidizer, respectively. Numerical simulations were performed using ANSYS Fluent 17.0. The result of numerical simulation showed that the most stable combustion is obtained in meso-scale combustor by using flame holder in the form of perforated plate type II at higher reactant velocity. In addition, the combustor with perforated plate flame holder type II also produces a higher flame temperature at the same reactant speed. These phenomena occured due to the temperature distribution into the reactans is more uniform and the recirculation heats into the reactans is better than the combustor with perforated plate flame holder type I. Flame and combustor walls temperatures increased with increasing recirculation heats.
Desain Awal dan Analisa Computational Fluid Dynamics (CFD) Aliran Fluida Cair yang Melewati Objek Silinder Terbelah Baananto, Fauzan
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 2 No 3 (2023): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v2i3.76

Abstract

Computational Fluid Dynamics is a method for solving engineering problems, especially in cases of fluid flow, heat transfer and various related fluid phenomena such as chemical reactions. This CFD research aims as preliminary design to determine the effect of fluid flow passing through a split cylindrical object. There are three main elements in CFD programming to solve the problem of fluid flow through a split cylindrical object, (1) Pre-processor (2) Solver and (3) Post-processor which is the procedure used in this research. The flow value on the inlet side is 0.0001 m/s or in conditions Re ≤ 5 or in laminar flow conditions. The fluid used in this research is water with a density of 1.2 kg/m3. Then the resulting grid system or meshing is 21535 nodes and 21194 elements. The conclusion of this research is that the flow vortex that occurs in a split cylindrical object is smaller when compared to a cylindrical object, but the flow vortex that occurs is still larger when compared to a square object.
Pengujian Kekuatan Bending dan Impak Komposit Sandwich Serat Gelas dengan Inti Kayu Balsa Agus Dani; Nurlia Pramita Sari; Fauzan Baananto; Sulistyono Sulistyono
G-Tech: Jurnal Teknologi Terapan Vol 8 No 3 (2024): G-Tech, Vol. 8 No. 3 Juli 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v8i3.4370

Abstract

Kekuatan komposit sandwich dipengaruhi oleh sifat mekanis, tebal, kekuatan ikatan skin dan core. Kayu balsa adalah bahan core yang sesuai untuk aplikasi komposit sandwich karena rasio kekuatan dan kekakuan terhadap beratnya tinggi. Keunggulan lain adalah banyak ditemukan dan harganya murah. Pada penelitian ini, komposit sandwich dengan skin serat gelas dan core kayu balsa dibuat menggunakan metode hand lay-up menggunakan resin epoxy. Variasi arah serat anyam miring (45o/45o) dan lurus (0o/90o) serta variasi berat anyam 200 GSM, 400 GSM, dan 600 GSM diuji. Penelitian ini dilakukan untuk mengetahui mechanical bonding serat sandwich dengan menggunakan metode three-point bending dan penguiian impak. Hasilnya orientasi serat mempengaruhi tegangan lentur dan impak komposit sandwich. Orientasi serat lurus memiliki tegangan dan harga impak lebih besar daripada pada orientasi serta miring. Nilai tegangan tertinggi pada 400 GSM variasi orientasi serat lurus dengan nilai tegangan lentur 149,53MPa serta memiliki harga impak tertinggi yaitu 0,052 Joule/mm.
OPTIMASI AERODINAMIKA BODI MOBIL HEMAT ENERGI KEN DEDES ELECTRIC EVO 3 MENGGUNAKAN METODE COMPUTATIONAL FLUID DYNAMICS (CFD) Fakhruddin, Muhammad; Wicaksono, Hangga; Baananto, Fauzan; Firmansyah, Hilmi Iman; Sari, Nurlia Pramita; Muzaki, Mochamad; Akbarsyah D, Khelvindra Rizky; Hardyanto, Noveri Dwi
Eksergi Vol. 17 No. 1 (2021): JANUARI 2021
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.999 KB) | DOI: 10.32497/eksergi.v17i1.2219

Abstract

Aerodynamics is a branch of science that discusses the movement of an object in the air. Aerodynamics comes from the words aero = air and dynamics = force of motion. The study of air forces is a branch of fluid mechanics. This study is a continuation of the study of hydrodynamics, where the science of the motion of air has a close relationship with other sciences. Physics, mathematics, mechanics, meteorology and others are branches of science that are closely related to aerodynamics. Where in the science of aerodynamics, it discusses the principle of stationary air, specifically about the changes experienced by the air when there is a change in geometry. In this study, CFD analysis was carried out to inspect and optimize the airflow through the energy-efficient car body "Ken dedes Evo 3" Malang State Polytechnic to participate in energy-efficient car competitions by following the regulations and packaging requirements in energy-efficient car contests. The aerodynamic analysis of the energy-efficient car was carried out using the ANSYS simulation software. This aerodynamic research aims to reduce the drag coefficient and lift coefficient of energy-efficient cars. In the end, the energy-efficient car Ken Dedes Electric Evo 3 has an improved drag coefficient of 0.03 and a lift coefficient of 0.034. This is obtained from the simulation only on the car body.
Co-Authors Agus Dani Akbarsyah D, Khelvindra Rizky Hardyanto, Noveri Dwi Hilmi Iman Firmansyah Lilis Yuliati Muhammad Fakhruddin Muzaki, Mochamad Nurkholis Hamidi Nurlia Pramita Sari Sari, Nurlia Pramita Sulistyono Sulistyono Wicaksono, Hangga