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All Journal Jurnal Rekayasa Mesin Jurnal Rekayasa Energi
Hidayatulloh, Deni
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENGARUH BENTUK SUDU IMPELLER BERBEDA TERHADAP TEKANAN PADA LUAS PENAMPANG SUCTION DAN DISCHARGE PADA POMPA SENTRIFUGAL MENGGUNAKAN SIMULASI CFD SOLIDWORKS FLOW SIMULATION Suliono; Ghozali, Muhamad; Hidayatulloh, Deni
JURNAL REKAYASA ENERGI Vol. 2 No. 2 (2023): Jurnal Rekayasa Energi
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jre.v2i2.45

Abstract

A device or machine to move fluid fluids or increase fluid pressure. Centrifugal pump is one of the many types of pumps with different ways of working. Centrifugal pumps work by applying centrifugal force to the impeller to suck liquid. This centrifugal force causes vacuum pressure at the suction/inlet and increases the liquid pressure at the discharge/outlet of a liquid. CFD simulation testing and analysis using SOLIDWORKS software to determine variations in physical values such as pressure, discharge, speed and others when modifying parts of the 3D pump model being tested. The results of the first test obtained the highest discharge and torque values of 4 l/s and 1.08 Nm, the second test the discharge and torque decreased to 2.4 l/s and 0.54 Nm and the suction speed increased to 10.88 m/s. In the 3rd test, the outlet pressure rose to 127000 Pa, the speed rose to 7.6 m/s, the torque decreased by 0.17 Nm, and the discharge decreased to 1.69 l/s.
ANALISA IMPAK PADA DESAIN KARAKURI KAIZEN TROLLEY DAN RAK STATIK DUA TINGKAT DENGAN METODE FEA Amat, Mohammad Azwar; Luthfi, Muhammad; Badruzzaman, Badruzzaman; Hidayatulloh, Deni
Jurnal Rekayasa Mesin Vol. 24 No. 2 (2024): Jurnal Rekayasa Mesin
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jrm.v24i2.1305

Abstract

Karakuri kaizen is an approach to improve the efficiency of the production process by utilizing simple mechanisms that rely on the principles of mechanics without external energy (such as electricity or pneumatics). In this study, the impact analysis on the critical part of the karakuri kaizen design uses analytical and simulation methods. Simulation methods are divided into motion study, stress, strain, displacement, and velocity analysis. Impact simulation on dynamic rack mechanical stopper and impact simulation on static rack stopper. The results of analytical calculations and simulations on the box speed show that there are similarities in the time value and final speed of the box before stopping. The results of the impact simulation show that in the mechanical stopper path (a) the bolt pretension factor is still in a neutralized condition so that its effect is more dominant than the load on the box, the max stress ranges from 550-560 MPa and the strain is at 0.0025-0.0029. While the stopper path (b) oscillates with a max stress ranging from 270-320 MPa and a strain is at 0.002-0.0026. The box speed after impact is much greater than the input speed, due to the absence of a damping system, and the mass multiplier on the stopper being too large.
Co-Authors Amat, Mohammad Azwar Badruzzaman Badruzzaman Muhamad Ghozali, Muhamad Muhammad Luthfi Suliono Suliono