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All Journal Nusantara Science and Technology Proceedings Jurnal Pengbdian Teknik Mesin Biomedical and Mechanical Engineering Journal
Tria Puspa Sari
Department Of Mechanical Engineering, Universitas Pembangunan Nasional Veteran Jawa Timur, Surabaya 60294, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Transportation

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Manufacturing Acetabular Liner UHMWPE using CNC Milling Wahyu Dwi Lestari Edahwati; Luluk Edahwati; Radissa Dzaky Issafira; Wiliandi Saputro; Ahmad Khairul Faizin; Ndaru Adyono; Tria Puspa Sari
BIOMEJ Vol. 1 No. 2 (2021): BIOMEJ
Publisher : UPN 'Veteran" Jawa Timur

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Abstract

Ultra High Molecular Weight Polyethylene (UHMWPE) is a biomedical polymer that is useful in the orthopedic field as a bearing component in artificial hip joints. In general, these polymers pair up and rub against each other with metallic biomaterials, namely 316L stainless steel, cobalt chromium (CoCr) and titanium, which can cause material wear problems. One way to increase the wear resistance of UHMWPE is through the manufacturing process. The purpose of this research is to manufacture acetabular liner products using a CNC milling machine to obtain high surface quality and dimensional accuracy. The CNC milling machine used is the type of YCM 1020 EV 20. The manufactured specimen is then measured for roughness and dimensional accuracy. Based on the measurement results, it is found that the acetabular liner specimens from the CNC milling process are still in accordance with the standard ASTM standard (F 2033-12).
Availability of Palm Oil Biodiesel in Indonesia and Its Effect on Diesel Engine: A Review Wiliandi Saputro; Wahyu Dwi Lestari Edahwati; Luluk Edahwati; Radissa Dzaky Issafira; Ahmad Khairul Faizin; Ndaru Adyono; Tria Puspa Sari
BIOMEJ Vol. 1 No. 2 (2021): BIOMEJ
Publisher : UPN 'Veteran" Jawa Timur

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Abstract

Palm oil is one of the base ingredients that can be used in making of biodiesel which is an alternative fuel to replace diesel fuel. The ability of palm oil as biodiesel should be balanced with the quantity of palm oil as well as the level of biodiesel production capability. In this paper, authors try to analyze about palm oil as biodiesel starting from number of palm plantations up to the level of biodiesel production capability from palm oil. The analysis conducted in the first part of this paper can be used as a reference that shows the level of availability of the palm oil which can be processed into biodiesel as an alternative fuel in the future. In the next part, the authors tried to analyze the impact of biodiesel made from palm oil starting from engine performance, exhaust gas emissions, rate of wear, quality of lubricant, and deposit formed. It was is done in order to find out the advantages and disadvantages that occur from biodiesel so that it can be used as a reference or consideration in the use of biodiesel-fueled palm oil.
The Parameter Experimental on the Dry Cell Type of Water Electrolysis for the HHO Gas Production Tria Puspa Sari; Afira Ainur Rosidah; M. H. B. Satria; Siti Chalimah; Amajida Sadrina; Ramadan Bimo Anggoro
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3613

Abstract

The global energy crisis, stemming from the heavy reliance on depleting fossil fuel reserves, has become a critical concern for countries worldwide, including Indonesia. In recent initiatives, hydrogen gas has emerged as a promising alternative energy carrier, generated through processes like electrolysis, which breaks down compounds containing hydrogen. This research focuses on the utilization of water electrolysis using SS 316 L, Copper, and Aluminium plates with NaHCO3, NaCl, KOH, and NaOH as catalysts. The primary objective of this study is to determine the type of plate that can produce hydrogen with lower resistivity. The average power consumption for each plate is as follows: SS 316 L at 129.88 Watts, Copper at 199.41 Watts, and Aluminium at 499.45 Watts. From the research findings, it can be concluded that the use of SS 316 L plates with NaOH as the catalyst is the most effective combination in this study, as it results in higher hydrogen production with lower power consumption or greater efficiency compared to the others. In the future, it is hoped that the research can be continued using solar panels as an alternative power source to replace the electricity supply from the national grid (PLN).
Co-Authors Afira Ainur Rosidah Ahmad Khairul Faizin Ahmad Khairun Faizin Amajida Sadrina Atika Andini Denny Widhiyanuriyawan Erwan Adi Saputro Ferdi Kurniawan Jayan Sentanuhady L.Urip Widodo, Yohandrik Novel Karaman Luluk Edahwati Luluk Edahwati Luluk Edahwati Luluk Edahwati Luluk Edahwati Luluk edahwati Luluk Edahwati Luluk Edahwati M. H. B. Satria Mr. Sutiyono Muhammad Ikhsan Ndaru Adyono Ndaru Adyono Ndaru Adyono Novel Karaman Radissa Dzaky Issafira Radissa Dzaky Issafira Radissa Dzaky Issafira Radissa Dzaky Issafira Radissa Dzaky Issafira Radissa Dzaky Issafira Radissa Dzaky Issafira Radissa Dzaky Issafira Rahadi Agung Raharjo Ramadan Bimo Anggoro Ryan Rizaldi Siti Chalimah Sutiyono Wahyu Dwi Lestari Wahyu Dwi Lestari Wahyu Dwi Lestari Edahwati Widya Wijayanti Wiliandi Saputro Wiliandi Saputro Wiliandi Saputro Wiliandi Saputro Wiliandi Saputro Wiliandi Saputro Wiliandi Saputro Willie Prasidha