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All Journal Creative Research in Engineering (CERIE) Majalah Teknik Mesin
Putero, Gladion Alim
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Automotive Engineering Control & Systems Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Studi Eksperimental Karakteristik Redaman Getaran pada Axial Fan dengan Variasi Komposisi Rubber Faizin, Ahmad Khairul; Putero, Gladion Alim; Hasan, Nailul
Creative Research in Engineering (CERIE) Vol. 5 No. 1 (2025): Creative Research in Engineering (CERIE)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/cerie.v5i1.26141

Abstract

Penelitian ini bertujuan untuk mengevaluasi karakteristik redaman getaran pada axial fan menggunakan tiga komposisi karet (A, B, dan C) sebagai material peredam. Pengujian dilakukan pada kecepatan konstan 2000 RPM dengan pendekatan eksperimental, menggunakan metode half band power untuk mengukur rasio redaman (ζ). Data getaran diambil dengan akselerometer, dianalisis melalui transformasi Fourier, dan dibandingkan berdasarkan komposisi karet yang berbeda (RTV M4503, RTV 683, dan RTV 48 dengan variasi katalis dan filler). Hasil menunjukkan karet A memiliki rasio redaman tertinggi (ζ = 0,012) dan reduksi amplitudo getaran sebesar 73%, diikuti karet B (ζ = 0,009, reduksi 60%) dan karet C (ζ = 0,007, reduksi 44%). Karet A terbukti paling efektif karena sifat viskoelastiknya yang optimal, menjadikannya pilihan terbaik untuk aplikasi axial fan pada kondisi serupa.
NUMERICAL AND ANALYTICAL ANALYSIS OF THE SHAFT DESIGN FOR A ROTATING DRUM BIOREACTOR USING STAINLESS STEEL 304 MATERIAL Putero, Gladion Alim; Affandy, Rahmat; Fauzi, Mochamad; Zain, Fikri Isya; Prabawanto, Moch. Nur Irsyad; Faizin, Ahmad Khairul
Media Mesin: Majalah Teknik Mesin Vol. 26 No. 2 (2025)
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The safety factor and Von Mises stress need to be analyzed so that the components remain safe against combined stress and the risk of failure due to dynamic loads and unexpected conditions. This study aims to analyze the safety factor and von mises of the shaft design on a rotating drum bioreactor using 304 stainless steel material. This machine is designed to support the shrimp paste fermentation process using the Solid State Fermentation (SSF) method. The analysis process is carried out through simulation using the finite element method (FEM) to evaluate the stress distribution and safety factor value on the shaft. The simulation results show that the von mises value or maximum stress on the shaft is 10.98 N/mm², still below the yield strength of 304 stainless steel material of 205 N/mm². The minimum safety factor obtained from the analysis is 19, indicating that this design is safe to withstand loads during the operation process. In addition, the results of the numerical analysis using manual calculations obtained a maximum shaft stress value of 10.95 N/mm² with a minimum safety factor value of 18.7. Through a comparison of the results of the analytical simulation analysis and manual numerical calculations, a machine design with a level of reliability and structural safety that is considered safe, as well as minimizing the risk of mechanical failure.  
Co-Authors Affandy, Rahmat Faizin, Ahmad Khairul Fauzi, Mochamad Hasan, Nailul Prabawanto, Moch. Nur Irsyad Zain, Fikri Isya