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Purbo Suwandono
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Fakultas Teknik, Jurusan Teknik Mesin Widyagama University of Malang Jl. Taman Borobudur Indah No 3, Malang 65128, INDONESIA
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PROTON : Jurnal Ilmu-Ilmu Teknik Mesin
Published by Universitas Widyagama
ISSN : 20862962     EISSN : 27212874     DOI : 10.31328/jp
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Ruang lingkup jurnal ini mencakup, tetapi tidak terbatas pada, bidang-bidang berikut: 1. Konversi Energi 2. Rekayasa dan Konstruksi Mesin 3. Ilmu dan Rekayasa Material 4. Proses dan Teknologi Manufaktur 5. Teknik Industri dan Sistem Produksi
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 143 Documents
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Analisa Turbine Crossflow Mini Microhidro dengan Variasi Blade menggunakan Simulasi CFD Yolanda, Rizky Prima; Finahari, Nurida; Wicaksono, Leo Hutri
PROTON Vol. 13 No. 1 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i1.6994

Abstract

The need for electricity is very important in the current era. However, there are still areas in Indonesia that have not received electricity, and there are also areas that have received electricity but experience rolling blackouts for several days a week. To overcome this, an alternative power plant is needed, namely a mini micro hydro power plant. The turbine in this power plant is able to function with water discharge below 10 meters, but can produce electrical power above 600 W to meet the electricity needs of each house adjacent to the water source. Given the natural resources (water sources) that are still abundant, it is unfortunate if they cannot be utilized properly. Another interesting factor of this mini-microhydro power plant is that the technology is relatively simple, and easily applied to areas that have mountainous topography and many rivers. In the process of making turbines, simulation steps are needed in the experiment so that it does not require a lot of money in the experiment, but produces a design that has high efficiency. From the analysis of the design simulation results, it can be concluded that the mini micro hydro crossflow turbine with 29 blades at a rotational speed of 700 rpm has the largest power and torque, namely 15.6 KW power and 210 N/m torque..
Analisis Pengaruh Penggunaan CDI Racing terhadap Performa Sepeda Motor Matic 115 cc Aprianto, Wahyu Rizki; Farid, Akhmad; Hermawan, Dadang
PROTON Vol. 13 No. 1 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i1.6995

Abstract

Replacing a standard CDI with a racing CDI is one way to improve ignition in a motorcycle engine and is expected to produce more complete combustion in the combustion chamber. The treatment in this study is the different types of CDIs used on motorcycles. The results show that the effect of CDI replacement on the power produced is a significant difference in power on standard CDI at RPM 5000 which is 5.7 HP while on CDI Rextor at RPM 8000 it is 7.3 HP. The significant difference in torque at RPM 1500 is 18.58 Nm while the CDI Rextor at RPM 2000 is 19.6 Nm. The power and torque produced by CDI Rextor are higher than the standard CDI. The amount of ignition produced by CDI Rextor greatly affects the size of the power and torque produced on the bicycle and the combustion pressure force will be maximized.
Pengaruh Pencampuran Minyak Plastik (Low Density Polyetylene) dengan Pertamax Terhadap Profil Nyala Api Premixed Dlofir, Aan Taufik; Hermawan, Dadang; Suwandono, Purbo
PROTON Vol. 13 No. 1 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i1.6996

Abstract

Plastic oil has great potential in the utilization of renewable energy both in Indonesia and in the world. Plastic oil (Low Density Polyethylene) is a fuel produced from the pyrolysis process of plastic waste and has an octane value of 81.6, so the quality of the fire is low. This study aims to improve the quality of plastic oil fire, namely by mixing plastic oil with Pertamax fuel. Plastic oil as the main material while Pertamax as an additional material, with variations in the composition of the Pertamax mixture ranging from 20% to 80%. Fire characteristics seen during the research process are flame height, flame temperature and flame color with premixed combustion using a burner. From the results of fire color research, there is an increase in blue color with each addition of Pertamax fuel to plastic oil. The blue color itself means that the fuel has a high calorific value. The increase also occurred in the height of the fire where the height of the fire increased with each addition of Pertamax fuel to plastic oil. Likewise, the fuel temperature increased when Pertamax was added, because Pertamax has a better heating value than plastic oil. From these three things it can be concluded that by providing the addition of Pertamax fuel, it is able to improve the quality of the flame from the processing of plastic waste, namely in the form of plastic oil.
Analisa Pengaruh Variasi Mandrel Terhadap Toleransi Pipa Pada Rotary Draw Bending Susanto, Andik Wiryo; Soebiyakto, Gatot; Farid, Akhmad
PROTON Vol. 13 No. 2 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i2.7000

Abstract

Rotary Draw Bending is the most commonly used bending technique in tube bending to achieve good precision results. There are several other bending techniques such as Ram Method, Rotary Method, Roller Method, and Compression Method. In this analysis, an experimental method was carried out by making variations of mandrel models and different mandrel dimensions with a bending angle of 90 degrees. For the measurement process, a digital caliper is used and then the measurement results are drawn with the Mastercam software application. In each rotary draw bending process, the results of SUS 304 stainless steel pipe bending are observed whether they experience wrinkling or smoothness in the bending section. In this experiment, good bending was produced at mandrel diameters tolerating 0.2mm, 0.3mm, and 0.4mm to the inner diameter of the pipe. However, although the results are good at the size of the mandrel with a tolerance of 0.2mm, it should be noted that the process of inserting and removing the stainless steel pipe will have difficulty because it must apply more pressure, sometimes having to hit with a hammer.
Analisa Zat Additive pada Carbon Black Nerox 600 terhadap Efek Floating dan Flooding dalam PVC Coating Candra, Ferdika Dwi; Fadhillah, Arief Rizki; Hermawan, Dadang
PROTON Vol. 13 No. 2 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i2.7001

Abstract

Carbon black is currently widely used in the office world and is easy to obtain, one of which is widely used as printer ink, copier toner, reinforcing agent in the use of plastic, paper, and as a building material. So that carbon black is very easy to find on the market. Because of this uniqueness, the purpose of this research is to make carbon black as an alternative material in the rubber reinforcement process by using a type of carbon black obtained from photocopier toner with type nerox 600 combined with the addition of a percentage of BYK9067 additives using floating and flooding methods. BYK9067 additive is often used as a mixture in PVC coating with alkylammonium salt content. By using these additives as a variation of PVC paint, the best improvement was obtained in the addition of additives in the 3% variation obtained from observations and data analysis of the effect of floating and flooding in PVC coating
Penambahan Bio Additif (Minyak Kayu Putih) dalam Proses Elektrolisis Menggunakan Generator HHO Jenis Wet Cell terhadap Nyala Api Pembakaran Difusi Santos, Armando Ferreira dos; Ismail, Nova Risdiyanto; Soebiyakto, Gatot
PROTON Vol. 13 No. 2 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i2.7002

Abstract

The use of renewable energy as alternative energy is one of the alternative innovations that can be used to offset the need for energy consumption which is increasing every year. Efforts are made, starting with saving the use of petroleum as fuel and making innovations in creating alternative fuels that are easy to obtain, easy to process, and can reduce human dependence on petroleum as the main energy source. This is the basis for innovation in creating alternative fuels by analyzing the flame profile in diffusion combustion which is carried out experimentally using a widecell type HHO generator, 1.3 liters of water, stainless steel plates, a total of 8 plates, salt catalysts and variations in the addition of eucalyptus oil bioadditives (15ml and 30 ml). The results obtained, namely the largest flame profile with a flame area of 60,509 mm² with a temperature of 158.8 ℃ and the lowest flame profile with an area of 22,159 mm² with a temperature of 150.4 ℃. It is concluded that the more the addition of bioadditives, the greater the flame profile produced in diffusion combustion.
Pengaruh Variasi Arus Listrik dan Jumlah Garam Terhadap Efisiensi Generator HHO dalam Proses Elektrolisis Al Barr, Muhammad Haafizh; Ismail, Nova Risdiyanto; Suwandono, Purbo
PROTON Vol. 13 No. 2 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i2.7003

Abstract

Energy is an important component for human survival and is highly dependent on the availability of energy. given the limited energy from mining materials available today is running low. In terms of production, global environmental issues and the depletion of fossil fuel reserves encourage various R&D on hydrogen production with water as raw material. In order to overcome the above, one solution is to take advantage of the existence of alternative forms of energy by utilizing electrical energy in the form of hydrogen gas stored in H2 which also comes from water (H2O) which can now be used for energy through the Water Electrolysis process where the best H2 gas production efficiency produced is 23.20% with a current variation of 10 A.
Peningkatan Sifat Mekanis Kekerasan dan Impact Ductile Cast Iron FCD-50 Melalui Proses Heat Treatment dengan Pendinginan Oli Weripih, Abdul Azis; Fadhillah, Arief Rizki; Suriansyah, Suriansyah
PROTON Vol. 13 No. 2 (2023): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v13i2.7004

Abstract

The demand for iron and steel metals in industry continues to increase, especially for cast iron applications such as gray, white, wrought and nodular cast iron (ductile cast iron). Ductile cast iron is widely used as a substitute for steel because of its mechanical properties that are close to steel, and has a high level of hardness. This study aims to determine the increase in hardness and impact properties of FCD-50 nodular cast iron through the heat treatment process. This method is done by heating the material at a certain temperature and cooling it using oil media. Hardness test and microstructure test were conducted as the main data analysis. The test results showed an increase in hardness from 54.2 HRC to 56.07 HRC. In addition, there was a change in the microstructure with the discovery of graphite, pearlite, and ferrite phases, where ferrite appeared more dominant and diffuse. These findings indicate that heat treatment is effective in improving the performance of ductile cast iron FCD-50.
Dampak Austempering pada FCD-50 terhadap Meningkatnya Kekuatan Tarikd dan Perubahan Struktur Mikro Murjiansah, Murjiansah; Fadhillah, Arief Rizki; Suriansyah, Suriansyah
PROTON Vol. 14 No. 2 (2024): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v14i2.7011

Abstract

To determine the increase in properties produced through the austempering process on FCD-50 in this study with variations in holding time which were then carried out tensile tests and metallographic tests to determine the increase in tensile strength and changes in microstructure in FCD 50 cast iron. By comparing changes in tensile strength and microstructure before and after the austempering process at a temperature of 9000C, then the holding process was carried out for 25-35-45 minutes and rotation was carried out using Water media. Experimentally, this study showed that the average maximum tensile strength of the specimen after treatment increased by 45,355 kgf / mm2, an increase of 20% from the specimen without treatment.
Simulasi Pengaruh Jumlah dan Sudut Sudu Terhadap Efisiensi dan Daya Turbin Air Aksial Fattah, Hamidah Nurrul; Finahari, Nurida; Ismail, Nova Risdiyanto
PROTON Vol. 14 No. 2 (2024): PROTON: Jurnal Ilmu-ilmu Teknik Mesin
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jp.v14i2.7012

Abstract

The amount of electrical energy needed each year is increasing, while the source of electrical energy is decreasing each year. So that alternative resources are needed, namely renewable energy, to help meet the current need for electrical energy. One of the renewable energies that is currently widely used is the water turbine. In this study, the air turbine will be studied with the aim of determining the efficiency and power of the turbine with variations in the number of blades (10, 14 and 18), variations in the blade angle of 10⁰, 15⁰, 20⁰, 25⁰, 30⁰, 35⁰, 40⁰, 45⁰, and using various types of axial turbines. The study produced the highest efficiency value of 99.94% in the Francis type turbine with 10 blades and an angle of 20⁰. And the highest power value of 63.77 Watts is found in the Kaplan turbine with 18 blades and an angle of 10⁰.

Page 13 of 15 | Total Record : 143

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