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All Journal Scientific Journal of Mechanical Engineering Kinematika Jurnal Mekanik Terapan Journal of Global Engineering Research & Science (J-GERS)
Kasum
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Campuran Biodiesel-Minyak Nabati-Minyak Atsiri Terhadap Emisi Gas Buang Mesin Diesel Hamdan Hariyanto; Adhes Gamayel; Kasum; Fajar Mulyana
Jurnal Mekanik Terapan Vol 2 No 1 (2021): Mei 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v2i1.3819

Abstract

Permintaan bahan bakar semakin hari semakin meningkat dan dibutuhkan bahan bakar alternatif untuk mengatasi ketersediaan minyak bumi. Biodiesel adalah bahan bakar alternatif yang dihasilkan dari proses transesterifikasi minyak nabati atau lemak hewan. Biodiesel memiliki keunggulan bebas sulfur, kandungan aromatis yang rendah, dan biodegradable. Pengembangan lainnya adalah penggunaan minyak nabati dan minyak atsiri secara langsung pada motor bakar sebagai bahan bakar tambahan. Pada penelitian ini dilakukan pencampuran bahan bakar Biodiesel (B30) dengan minyak jarak (castor oil) sebanyak 4% dan minyak atsiri (Turpentine oil, pine oil, Clove oil) dengan masing-masing persentase 1%. Pengujian menggunakan mesin diesel satu silinder dan variasi putaran 1000, 1250, dan 1500 rpm. Tujuan dari penelitian ini untuk mendapatkan nilai viskositas, densitas, dan emisi gas buang pada pencampuran tiga jenis bahan bakar (biodiesel-minyak jarak castor-minyak atsiri). Selain itu, studi ini diperlukan agar dapat menggali potensi minyak nabati yang dapat digunakan secara langsung pada mesin diesel sebagai campuran bahan bakar. Campuran bahan bakar dengan minyak cengkeh menghasilkan nilai viskositas tertinggi yaitu 3,84 Cst dan nilai densitas yaitu 0,95 gr/ml. Nilai CO tertinggi yaitu 0.03% dengan campuran minyak turpentin pada putaran mesin 1500 rpm dan nilai HC tertinggi adalah campuran minyak pinus dengan nilai 38 ppm pada putaran mesin 1000 rpm. Kalor laten yang tinggi pada minyak atsiri mengakibatkan suhu ruang bakar menurun secara drastis dan menimbulkan emisi gas buang yang lebih tinggi daripada menggunakan B30. Secara umum, penggunaan campuran biodiesel-minyak jarak castor-minyak atsiri belum dapat dilakukan pada mesin diesel karena menghasilkan emisi gas buang yang lebih tinggi daripada B30
Design and Manufacture of Electric Car Chasis Frame for Two Passengers With Solidworks Modeling 2020 Zaenuri, Ahmad; Sunardi, Ade; Kasum
Journal of Global Engineering Research and Science Vol. 1 No. 1 (2022): Journal of Global Engineering Research & Science
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i1.13

Abstract

An electric car is a car that is driven by a DC motor using energy stored in thebattery. The use of electric cars is considered more effective in addition to notcausing air pollution and a simpler engine construction and as an alternativemeans of transportation. The frame/chassis is the main part of the car thatfunctions to support other components such as the engine, battery, steeringsystem, braking system, driver's seat and other vehicle equipment, and also asa vibration damper if the vehicle runs on various types of road surfaces andvarious modes of motion. From the vehicle, the frame used is a ladder framewhich has a simpler and stronger structure. This study aims to design andmanufacture the frame of an electric car and analyze the load received and themaximum load that the frame can withstand. This research begins with thedesign of the frame, then the assembly of the frame will be carried out thendata will be collected on the frame which will then be processed to determinethe load received by the frame and analyze the value of the welding stress onthe frame.
ANALISIS CETAKAN PLASTIK INJEKSI SPESIMEN UJI TARIK MELALUI SIMULASI PLASTIK INJEKSI MENGGUNAKAN AUTODESK FUSION 360 Supandi; Gamayel, Adhes; Kasum; Mulyono, Sidik; Zaenudin, Mohamad
Scientific Journal of Mechanical Engineering Kinematika Vol 9 No 1 (2024): SJME Kinematika Juni 2024
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v9i1.278

Abstract

Plastic injection (injection molding) is a method of forming products from plastic pellets into various daily necessities products. In terms of supporting daily needs, plastic injection molded products must meet criteria, such as strength, ductility, flexibility, hardness, etc. One of the easiest ways is to do a tensile test. In this research, mold with the shape of tensile test specimen products was carried out through several process stages, namely design and simulation, fabrication, and product testing. Autodesk Fusion 360 software is used in the design process to simulate and predict material flow during the injection process into the mold with several parameter variations in the form of time, material temperature and mold temperature. The results obtained were by using polypropylene (PP) plastic material, the maximum injection conditions were by suing a melting temperature of 230°C and a mold temperature of 50°C with an injection time of 14.5 seconds, where it was predicted that the product would be easy to fill and the resulting quality would reach 100% good. This research has succeeded in designing and predicting a plastic injection process that can be utilized in the plastic molding process through the actual injection process in industries that use polypropylene material.
Co-Authors Adhes Gamayel Fajar Mulyana Hamdan Hariyanto Mohamad Zaenudin mulyono, Sidik Sembiring, Rinawati Sunardi, Ade