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All Journal Metalurgi The Studies of Social Sciences International Journal of Applied Sciences and Smart Technologies Metalurgi Jurnal Tekno Mesin Jurnal Poros Teknik Mesin Unsrat
I Nyoman Gede
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Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Analysis of Spiral Pump Discharge Based on Simulation of Fluid Flow in Hoses Luntungan, Hengky; Tangkuman, Stenly; Gede, I Nyoman
International Journal of Applied Sciences and Smart Technologies Volume 05, Issue 02, December 2023
Publisher : Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/ijasst.v5i2.7471

Abstract

One of the uses renewable energy is the use of a spiral pump with a water wheel as the driving force. Spiral pumps are classified as environmentally friendly technology because they do not require electricity or fuel. The spiral pump consists of two main parts, namely the water wheel and the hose that is wrapped around both sides of the water wheel.The aim of this research is to analyze the water discharge of a spiral pump based on fluid flow simulation in the hose. This research utilizes advances in computational fluid dynamic (CFD) simulation methods using software.The determination method proposed in this research has been applied to a waterwheel model with a diameter of 1.2 m and a width of 0.6 m. For hoses, diameters of ½, ¾, 1, 1½, and 2 inches are determined, while the river flow speed is 0.9 m/s. For a hose diameter of 2 inches, the initial flow velocity in the hose is 0.38 m/s and the final velocity at the hose outlet is 0.452 m/s. The largest pump discharge was obtained at a hose diameter of 2.0 inches, namely 0.00183 m3/s.
PREDIKSI KEBUTUHAN ENERGI LISTRIK PEMESINAN BERDASARKAN VARIASI CAMPURAN MEDIA PENDINGIN PADA MESIB BUBUT KENT USA RML-1640T Ones Tatogo; Romels Cresano A Lumintang; Tertius Ulaan; I Nyoman Gede; Jefferson Mende; Irvan Rondonuwu
Jurnal Poros Teknik Mesin UNSRAT Vol. 15 No. 1 (2026): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35793/jptmu.v15i1.68656

Abstract

Cutting fluids have special uses in the machining process in addition to extending tool life, cutting fluids are also able to reduce cutting forces and smooth the surface of the machined product. There are several factors that affect cutting power in the lathe process, including cutting conditions, workpiece material and the use of coolant. From several factors that affect the cutting power, this research tries to analyze the use of several cutting mixtures to predict the electrical energy requirements on turnning in the Mechanical Engineering Laboratory of Sam Ratulangi University (Unsrat). The purpose of this research is to predict the machining electrical energy requirement based on machining variation of cutting mixture on KENT USA RML-1640T lathe. This research is experimental research, namely by conducting tests on a turnning by varying the mixture of cutting media as an independent variable to obtain machining electrical energy as the dependent variable. The results of the analysis obtained from this study show that the actual machining electrical energy is lowest in the 1:10 cutting media mixture, because it has less water volume. From the prediction results, the appropriate equation is obtained, namely the quadratic regression equation y ̂ = (203.689175)+ (0.010712)x-(0.000002) x^2, because the coefficient of determination reaches 77.1% accuracy close to the actual data. Keywords: Cutting Media, Electrical Energy, Turnning Machine
Co-Authors Adi R. M. Arief Agung Sutrisno Alfred Hara Arther Adolof Rantung Arungpadang, Tritiya A.R. Desly Theo Daud Bawiling Edy Priyanto Utomo Efendi Mabruri Ferdywanto Parende Gerits Dirk Soplanit Gerrits D Soplanit Hara, Alfred Hardi Gunawan Harison B Situmorang Hengky Luntungan Irvan Rondonuwu Jefferson Mende Johan S.C. Neyland Johanes Sulu Kevin Lorenzo Lumintang, Romels Mabruri, Efendi Meldi Tumetel Michael Rumondor Monintja, Nita C.V. Nita C.V. Monintja Ones Tatogo Rocky Fernando Laki Romels C. A. Lumintang Romels Cresano A Lumintang Rudy Poeng Rumondor, Michael Samuel Alexander Lepar Samuel Alexander Lepar, Samuel Alexander Siswahyudianto Sitanggang, Riduanto Stenly Tangkuman Tampilang, Juvandi Tertius Ulaan Tertius V. Y. Ulaan Tondok, Yan Ulaan, Tertius