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All Journal MASALIQ: Jurnal Pendidikan dan Sains
Andri, Rezky
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Religion Education Social Sciences

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Simulasi Numerik Variasi Intake terhadap Karekteristik Aliran pada Basin Turbin Vortex Andri, Rezky; Yuvenda, Dori; Purwantono, Purwantono
MASALIQ Vol 4 No 1 (2024): JANUARI
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v4i1.2666

Abstract

Water has an important role to be used as a source of electrical energy, water is used to drive turbines that will later produce electrical energy, water turbines have great potential to be developed, especially in vortex turbines. A vortex turbine is a turbine that utilizes whirlpool energy to rotate the turbine blades and then convert it into electrical energy. The purpose of this study was to determine the characteristics of the flow in each inflow variation in the vortex turbine basin. The simulation in the study was carried out using solidworks 2023 software using the CFD (Computational Fluid Dynamics) method. After running simulations, velocity data were obtained on each Outer Wall Tangential inflow design of 0.496 m/s, Involute of 0.517 m/s, Ramped Entry of Scrolled Evolute of 0.0857 m/s, and Involute Ramp of 0.551 m/s. pressure in each Outer Wall Tangential inflow design of 100,793.39 N/, Involute of 99,400.12 N/, Ramped Entry of Scrolled Evolute of 99,270.4 N/, and Involute Ramp of 99,324.31 N/. From the simulation results, it can be seen that the largest velocity is obtained in the Ramped Entry of Scrolled Evolute design, and the largest pressure is obtained in the Outer Wall Tangential design.
Analisis Tegangan Tarik Maksimum Wire Rope pada Hoist Crane Kapasitas 3 Ton Andri, Rezky; Nurdin, Hendri
MASALIQ Vol 4 No 2 (2024): MARET
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v4i2.2675

Abstract

Steel ropes are one of the most important parts of a lifting aircraft system. The strength of the steel rope varies, depending on the use and needs. A typical steel rope construction for elevators consists of 8 spins wrapped together, heading left or right with a core in the middle. Each steel rope spin consists of 19 wires which is 9.9.1, meaning 9 wires outside, 9 inside and 1 in the center. The cross-sectional area of steel rope (F152) based on the tensile stress for one steel rope (S) is 1.9 cm. The tensile stress that occurs on the steel rope is (S) = 1773 kg. While the permissible tensile stress is (Smax) = 2800 kg. The actual steel rope breaking strength (P) based on the safety factor with mechanism type and operating conditions (K) is (P) = 9753 kg. Steel rope used type: 8 x 19 = 152 + 1 Fiber Core with specifications: steel rope diameter (d) : 10 mm, rope weight (W) : 1.15 kg / m, steel rope breaking load (Pb) : 15,400 kg, rope breaking stress (σb) : 140-159 kg / mm². Because the tensile stress (S) = 1773 kg is smaller than the permissible tensile stress (Smax) = 2800 kg, it can be concluded that the steel rope is safe against the tensile load that occurs.
Co-Authors Dori Yuvenda Nurdin Hendri Purwantono, Purwantono