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LA ODE AHMAD BARATA
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Program Studi D-3 Teknik Mesin, Lt.2. Fakultas Teknik Universitas Halu Oleo Kampus Bumi Tridharma Anduonuhu Kendari, INDONESIA 93232
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Piston: Jurnal Teknologi
Published by Universitas Halu Oleo
ISSN : -     EISSN : 25027018     DOI : https://doi.org/10.55679/pistonjt
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics
Jurnal PISTON-JT merupakan jurnal single blind peer review multidisiplin keteknikan dan natural sains yang diterbitkan oleh Jurusan D-3 Teknik Mesin, Program Pendidikan Vokasi Universitas Halu Oleo, Kendari, INDONESIA. Jurnal ini terbit dalam 2 (dua) terbitan dalam setahun yakni pada bulan Juni, dan Desember. Setiap terbitan dapat memuat minimal 5 artikel. Artikel dapat ditulis menggunakan Bahasa Indonesia atau Bahasa Inggris. Jurnal PISTON-JT memuat naskah ilmiah tentang hasil penelitian, hasil rancang bangun atau desain,hasil aplikasi, dan telaah pustaka yang terkait dengan ilmu keteknikan, natural sains, dan aplikasi industri.Setiap artikel yang masuk mengalami pemeriksaan plagiarisme menggunakan perangkat lunak yang handal. Similaritas naskah maksimal 25% tidak termasuk informasi penulis dan daftar pustaka. Jurnal PISTON-JT dapat menjadi referensi keilmuan di bidang natural sains, khususnya mesin-mesin dan industri untuk para peneliti, praktisi dan mahasiswa khususnya bidang Pendidikan Vokasi keteknikan.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 3 Documents
 1 
Search results for , issue "Vol 6 No 2 (2021): Desember 2021" : 3 Documents clear
Studi Material Isolator Panas Berbahan Dasar Serat Ijuk Lukas Kano Mangalla; Budiman Sudia
Piston: Jurnal Teknologi Vol 6 No 2 (2021): Desember 2021
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v6i2.31

Abstract

This research aims to investigate the value of thermal conductivity of a composite material made from Polyester Resin (R), Aren Fiber (I) and a some water and epoxy. Composite materials used in this work have been made based on the ASTM C177. Experimental apparatus used in this study consists of a source of heat (150 Watt), thermocouple, digital balance and stopwatch. The main materials on this study consist of the three variations of composition, 40%, 50% and 60% I/R (by volume) respectively. This work begins with preparation of the three specimen materials of each composition. All specimen have been made in 30cm x 30cm x 1 cm size of length, width and thickness, respectively, and investigated the properties of the composites at several spatial and time during applied some energy source. Investigation was conducted at ambient temperatures and pressure at each 1 minute for 120 minute of heating. Density of each composites composition was also measured for the same size of all specimen of 5cm x 5cm x 1cm with standard ASTM C 2005, respectively. The results of the study show that the properties of the composite material varies with material-based compositions. The higher the Resin the better the thermal conductivity of the composites. Volume fraction of 40% I/R has thermal conductivity (k) of 1.235 W / m ° C, volume fraction of 50% I/R has thermal conductivity of 1.129 W / m ° C and volume fraction of 60% I/R has Thermal conductivity of 1.077 W / m ° C. The density of the specimens of the volume fraction of 40%, 50% and 60%I/Ris 1177.962 kg / m³, 1155.386 kg/m³ and 1144.662 kg/m³ respectively. The result of analysis also shows that composition of 60% I/R seems to be the appropriate material isolator using in many engineering applications based on the lower thermal conductivity and lower density.
Analisa Pengaruh Penambahan Unsur Cu (Tembaga) Terhadap Sifat Mekanis Al – Si Melalui Proses Casting Samhuddin; Al Ichlas Imran
Piston: Jurnal Teknologi Vol 6 No 2 (2021): Desember 2021
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v6i2.34

Abstract

The purpose of this study is to determine the effect of the elements copper (Cu) on the mechanical properties of aluminum silicon (Al-Si). The mechanical properties of aluminum are lightweight, low temperature, corrosion resistance, mechanical properties vary (strength, hardness and ductility), good formability, and capable of a good cast. While the mechanical properties of copper are formability, good electrical conductivity, good thermal conductivity, good corrosion resistance, has a density of 8.93 g / cm³, the modulus of elasticity of 115 GPa and liquid temperature 1083 ° C. Materials used were Al-Si and the element copper alloy. The addition of the element copper (Cu) amounting to, 2%, 4%, 6% and 8%. Manufacturing of specimens with sand casting process. Mechanical testing were hardness and impact. In this study get the biggest hardness value alloy Al - Si addressed by the addition of Cu 0% or without alloy of 96.53 Kg / mm2, while the lowest hardness value of alloy Al - Si indicated by the addition of 2% Cu at 63.74 Kg / mm² , The strength values impack alloy Al - Si addressed by the addition of 8% Cu 0.026 J / mm2, while the value of impact strength low alloy Al - Si Cu indicated by the addition of 6% of 0,018 J / mm².
Perancangan dan Pengujian Pompa Hidram Salimin; La Ode Ahmad Barata
Piston: Jurnal Teknologi Vol 6 No 2 (2021): Desember 2021
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v6i2.35

Abstract

One technology that can be used to move water from a low place to a high place is a water pump without the use of electricity and fuel (Hydraulyc Ram/Hydraulic Pump). A water pump without the use of electricity and fuel (Hydraulyc Ram/Hydram Pump) is an automatic pumping device that uses water to lift some of the water flow to a higher place. The energy source for water pumps without the use of electricity and fuel (Hydraulyc Ram / Hydram Pumps) comes from high pressure which is caused by the phenomenon of water blowing due to a sudden change in speed of the water flow by closing the valve, so this pump does not require an external energy supply such as fuel oil or electricity. This article presents a report on the design, manufacture and performance field testing of hydraulic pumps. The test results show that the pump design can drain 0.3 liters/second of water with a maximum head of 8.1 meters and a distance of 10.5 meters. By looking at the potential for its use which is quite broad, research to optimize this pump needs to be continuously carried out in order to obtain a design that is quite accurate in accordance with field conditions in Indonesia.

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