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All Journal Jurnal Keteknikan Pertanian Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN Majalah Ilmiah MOMENTUM INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Turbo : Jurnal Program Studi Teknik Mesin STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Elemen Abdi Dosen : Jurnal Pengabdian Pada Masyarakat J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Journal of Community Development Jurnal Abdi Masyarakat Indonesia Automotive Experiences Journal of Mechanical Engineering, Science, and Innovation Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Polimesin
Moh. Nurkoyim Kustanto
Mechanical Engineering Department, Faculty Of Engineering, Jember University, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences Transportation

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Pengukuran Gaya pada Pembebanan Statik Chassis Mobil Listrik Prototype Menggunakan Sensor Strain Gauge Santoso Mulyadi; Muh. Nurkoyim Kustanto; Cahya Alief Prasetyo; Gaguk Jatisukamto; Rika Dwi Hidayatul Qoryah; Yuni Hermawan; Mahros Darsin; Agus Triono; Nasrul Ilminnafik
J-Proteksion Vol 7, No 1 (2022): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v7i1.7718

Abstract

Kendaraan merupakan alat transportasi yang berfungsi sebagai sarana yang digunakan untuk berpindah lokasi. Bagian penting dari suatu konstruksi kendaraan adalah chassis. Chassis memiliki fungsi sebagai penopang komponen pada suatu kendaraan. Salah satu hal yang dapat diteliti dari chassis yaitu gaya yang terjadi pada chassis. Guna mengetahui gaya yang terjadi pada chassis, dilakukan penelitian mengenai gaya yang terjadi pada chassis akibat pembebanan statik yang terjadi. Penelitian yang dilakukan menggunakan enam strain gauge yang dipasang pada tiga titik, pada masing-masing titik dipasang pada sumbu x dan sumbu y guna mencari gaya yang terjadi pada chassis. Berdasarkan hasil penelitian maka dapat diperoleh nilai gaya terbesar terjadi pada titik dua yaitu masing-masing 289,54 N pada sumbu x dan 178,09 N pada sumbu y dengan beban driver 45 kg dan 323,17 N pada sumbu x dan 246,64 N pada sumbu y dengan beban driver 56 kg.
The Effect of Tread Pattern Tires on Hard Compound Coefficient Rolling Resistance Thatit Widya A.P; Muh Nurkoyim Kustanto; Hari Arbiantara B; Franciscus Xaverius K; Robertoes Koekoeh K.W
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 2 (2022): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2022.v2i2.3058

Abstract

Rolling resistance is the resistance of a wheel that will roll or rotate due to friction between the outer surface of the wheel and the track surface. This study aims to determine the effect of tread patterns on the coefficient of rolling resistance. The tires that will be used in this study are hard compounds with a ratio pattern and tread pattern raised by 2 mm with a tire hardness of 79.5 Ha, and using pressure variations at 30 Psi, 40 Psi, and 50 Psi. Coefficient value rolling resistance is 1.39% with a rolling resistance of 8.05 N. These results are produced by a hard compound with a tread pattern of 2 mm at a pressure of 50 Psi. Meanwhile, the rolling is 2.04% with a rolling resistance of 11.82 N. These results are produced by hard compound tires with a pattern at a tire pressure of 30 Psi.Keywords: compound, tread pattern, rolling resistance
PENAMBAHAN MINYAK GORENG PADA PCM PARAFFIN GUNA MENINGKATKAN KARAKTERISTIK PENYIMPANAN TERMAL PADA MEDIA PENYIMPAN PANAS Muhammad Katibi Vanhas; Nasrul Ilminafik; Rahma Rei Sakura; Andi Sanata; M Nurkoyim Kustanto; FX Kristianta
STATOR: Jurnal Ilmiah Teknik Mesin Vol 5 No 2 (2022): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The number of energy demand these days is very high. This shows the need for new inonovation to solve the problem of energy needs, one of which is the use of Phase Change Material (PCM) as a heat exchanger material. The purpose of this research is to know the characteristics of PCM with addition cooking oil and paraffin. The percentage of cooking oil and paraffin are 30%, 40%, and 50% of total volume. The research was start with heating process during 1 hours with temperature ± 25oC. Result of this research shows PCM paraffin - cooking oil with 50% mixture is the best cooling speed PCM, next is PCM paraffin - cooking oil 40% mixture, and the last is PCM paraffin - cooking oil with 30% mixture. On the cooling process, the 30% cooking oil mixture can hold the temperature longers than the other, while the 40% cooking oil mixture has second position, and the last is 50% cooking oil mixture. The conclusion is the addition of cooking oil can improve thermal conductivity of PCM.
The role of magnetic field orientation on the flame characteristics of Calophyllum Inophyllum droplets wigo ardi winarko; Nasrul Ilminnafik; Muh Nurkoyim Kustanto; Dony Perdana
Jurnal Keteknikan Pertanian Vol. 10 No. 3 (2022): Desember 2022
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.010.3.215-225

Abstract

Tujuan dari penelitian secara eksperimental ini untuk mengetahui pengaruh bagaimana calopyllum inophilum oil dan variasi medan magnet mempengaruhi stabilitas nyala, waktu tunda penyalaan, suhu, dan tinggi selama pembakaran tetesan. Saat ini, Indonesia masih mengembangkan biodiesel minyak sawit sebagai sumber bahan bakar terbarukan untuk menggantikan solar. Persoalannya, minyak sawit dijadikan sebagai sumber pangan sehingga akan berdampak pada kelangkaan pangan. Bahan bakar yang digunakan dalam penelitian ini adalah crude calopyllum inophillum oil yang ditambah dengan variasi orientasi medan magnet Selatan - Utara, Utara - Selatan, Selatan - Selatan, Utara - Utara dan tanpa magnet. Volume droplet yang diuji 1,25-1,31 ml ditempatkan pada thermocouple type K 0,1 mm yang terletak di antara 2 magnet, dengan intensitas medan magnet 1.1 Tesla (11000 Gauss). Hasil penelitian menunjukkan bahwa medan magnet berperan meningkatkan kualitas pembakaran melalui perannya meningkatkan tumbukan antar molekul menjadi lebih kuat karena spin elektron yang dipercepat oleh medan magnet. Pengaruh tersebut dapat dilihat pada arah medan magnet Utara - Selatan yang menghasilkan temperatur paling tinggi dan waktu tunda nyala api yang paling pendek. Ini karena arah kutub magnet berperan sebagai transport O2 dan H2O melintasi droplet sehingga reaksi yang dihasilkan mampu meningkatkan kualitas pembakaran.
Effect of layer height, infill geometry, nozzle temperature, and fan speed on tensile strength of 3D printing PETG specimens Mahatma Junjung Mardlotila; Muhammad Trifiananto; Dedi Dwilaksana; Hari Arbiantara Basuki; Muh Nurkoyim Kustanto; Intan Hardiatama
invotek Vol 22 No 3 (2022): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v22i3.1045

Abstract

This research is aimed to provide insight on the dependency of tensile strength on process parameters of the Fused Deposition Modeling (FDM). FDM is one of the most popular 3D printing manufacturing techniques. In the present study, a tensile test was performed to measure the tensile strength of PETG (Polyethylene terephthalate glycol) specimen with the combination of different layer height, infill geometry, nozzle temperature, and fan speed whereas other parameters are kept at a constant level. This study uses the ISO 527 1BA standard. Taguchi L16 (44) with 4 levels for each factor was used to determine the effect of each parameter. Each experiment repeated 3 times to minimize the occurrence of errors. layer height, infill geometry, nozzle temperature, and fan speed ​​respectively effect of 13.4%, 63.6%, 19.0%, and 2.7%. Fan speed is considered a parameter that has no impact on tensile strength. The layer height and nozzle temperature parameter shows that the higher the value, the tensile strength of specimens tend to increase. Furthermore, infill geometry from the one with the highest to the lowest tensile strength value is gyroid, zig-zag, grid, and triangles. The combination of layer height of 0.24 mm, infill geometry gyroid, and nozzle temperature of 250 ˚C is the optimum combination of parameters which has the highest tensile strength of 34.76 N/mm2.
Experimental Study on the Effect of Magnetic Fields on Combustion Characteristics of Biodiesel from Nyamplung (Calophyllum Inophyllum) Imam Rudi Sugara; Nasrul Ilminnafik; Salahuddin Junus; Muh Nurkoyim Kustanto; Yuni Hermawan
Automotive Experiences Vol. 6 No. 1 (2023)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.8328

Abstract

Nyamplung (Calophyllum Inophyllum) is an environmentally friendly alternative fuel that can be used to replace the consumption of fossil fuels. The purpose of this experiment was to analyze the effect of magnetic fields on the premixed flame of biodiesel from Calophyllum Inophyllum, the experiments were carried out on a bunsen burner. Fuel evaporation uses a temperature of 473 K and the equivalent ratio used is between Ï• 0.7; 0.8; 0.9; 1.0; 1.1 and 1.2. This experiment used a modified magnet that has magnetic force in 11.000 gausses with magnetic variations N-S, S-N, N-N, and S-S. Experiments revealed that magnetic fields have a significant effect to increase the value of laminar flame speed on magnetic variations point at S-S 3.8%; N-N 4.8%; S-N 17.09%, and the highest laminar flame speed were at point N-S 20.7%. The enhancement value of laminar flame speed indicated more optimum combustion processes. The magnetic fields can influence the O2, and H2O and change the orientation of the hydrocarbons which makes it easier for O2 and fuel to carry out the oxidation process, resulting in more optimal combustion.
Heating Treatment of Incoming Air Combustion Chamber on the E20 Fuel Mixture: Perlakuan panas udara masuk ruang bakar pada campuran bahan bakar E20 Akbar Anugrah Ikhsani; Nurkoyim Kustanto; Boy Arief Fachri
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 1 (2023): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i1.49-54

Abstract

This research was conducted to improve engine performance with a mixture of ethanol and gasoline, because the mixture of ethanol and gasoline fuel causes the value of the flash point and evaporation of fuel heat to be higher. To overcome this, the air entering the combustion chamber is carried out by being heated to 26°C (standard), 30°C, 40°C and 50°C, the fuel used is the E20 with engine revolutions of 2000 to 8000 revolutions per minute. The results showed that the highest torque of E20 fuel at 30°C with a value of 9.004 Nm increased by 0.27%. At the highest power, it is located at 30°C with a power of 5.99 kW 0.5%. For the lowest consumption in the 2000 round, it was found in the 30°C temperature treatment with a value of 1.4 Kg / Hp.Hour and for exhaust gas emissions the lowest hydro carbon value was found in the 30°C temperature treatment while the lowest value of carbon monoxide was found at the 50°C temperature treatment. These results show that the air heating treatment can improve engine performance.
Analisis optimasi topologi desain support bracket pada steering main shaft mobil TITEN EV-2 Dinasti Achmad Tristanto; Santoso Mulyadi; Muh. Nurkoyim Kustanto; Agus Triono; Intan Hardiatama
TURBO [Tulisan Riset Berbasis Online] Vol 12, No 1 (2023): Jurnal TURBO
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v12i1.2388

Abstract

The KMHE competition which focuses on optimizing energy in developing cars is held as a form of contribution to overcoming the problem of dwindling energy sources. To get a cell phone with low energy consumption, one alternative is to design a cell phone as often as possible. This research examines the effectiveness of topology optimization methods in making lightweight component designs while maintaining the ability to accept loads when applied. The components that are being optimized are the support brackets on the main shaft steering of Car TITEN EV-2 which are produced using additive manufacturing with PLA+ materials. The load borne by the design is the load when the car is braking and turning. Two Topology Optimization experimental methods were carried out based on the loading arrangement. The first method is carried out by combining two topological optimization results based on loading to produce the final design. The second method is carried out by applying the two loadings simultaneously to the TO process. As a result, the second TO method showed very good results compared to the first method and was redesigned to produce a new design that was ready for use. The results of the new design have a mass of 34.25% lower than the original design. The FEA simulation results also show the results of increasing design strength after topology optimization. The maximum von-mises voltage drop of the new design in the case of braking, turning and combined loading (braking and turning) respectively is 12.56 MPa, 11.64 MPa and 17.99 MPa compared to the original design which is 30.16 MPa, 26.19 MPa and 51.9 MPa.
KINERJA DAN EMISI MESIN DIESEL 1 SILINDER BERBAHAN BAKAR CAMPURAN BIODIESEL NYAMPLUNG DAN ETANOL Nasrul Ilminnafik; Atlanta Iwananda; Muh. Nurkoyim Kustanto; Rima Zidni Karimatan Nisa
Jurnal Rekayasa Mesin Vol. 14 No. 2 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i2.1335

Abstract

Research has been carried out on the effect of biodiesel and ethanol fuel mixtures on diesel engine performance and emissions. Ethanol (C2H5OH) is a type of alcohol that can improve the characteristics of biodiesel. The effect of ethanol on engine performance was investigated by adding B30 (a mixture of 30% nyamplung biodiesel (calophyllum inophyllum) and 70% petrodiesel). The concentration of ethanol added to B30 is 10% v/v which is called the B30E10 mixture. The composition of the fuel mixture is B0 (petrodiesel), B30, B30E10 and Pertadex. The research was conducted on a single cylinder four stroke diesel engine with a natural air system and coupled to a generator that functions as a dynamometer. Three times the test was carried out for each load applied to the engine varying from 0, 200, 400, and 600 W at a constant rotation speed of 1700 rpm. The research results that the constant engine speed method and variations in lamp load produce torque values (Nm) and effective power (kW) which tend to be the same between fuels, this happens because it is influenced by the governor mechanism. The highest fuel consumption occurred at the addition of 10% ethanol (B30E10). The lowest thermal efficiency occurs in B30E10. Exhaust emissions of carbon monoxide decreased with the addition of 10% ethanol.
A study on Flame Characteristics Premixed Burning by Giving Magnetic Field Induction Deny tomy andrianto; Muh. Nurkoyim Kustanto; Yuni Hermawan; Nasrul Ilminnafik; Salahuddin Junus
Jurnal POLIMESIN Vol 21, No 2 (2023): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i2.3497

Abstract

This study aims to compare the effect of magnetic field induction on the characteristics of the fire resulting from the combustion of premixed biodiesel calophyllum inophyllum . Further research on premixed combustion flames due to magnetic field induction. As time goes by, petroleum is currently running low, therefore alternative biofuels are needed. One type of non-food vegetable oil is Jatropha and calophyllum inophyllum  oil, besides not being consumed, it can be processed into biodiesel as fuel. To get a more effective and efficient flame, you can apply a magnetic field effect to the fire, especially in terms of the burning rate of the fire. The experimental research method is to heat calophyllum inophyllum biodiesel until it is in the form of steam, then flow it to the burner which will then be given air which is controlled by the flow mass. Then the fire is ignited and the mass of the air flow is increased until the fire is lifted until it is extinguished. Two magnets are placed between the burners by varying the direction of the magnetic field N-S, N-N and the results of this study are the shape of the flame. The resulting fire is more transparent, clearer and more visible. The direction of the N-S magnetic field causes the temperature to be higher than the direction of the N-N magnetic field. The high and low of the flame is affected by the direction of the magnetic field, the stronger the N-S magnetic field. The magnetic field can affect the burning speed of the biodiesel flame. In a poor mixture (ϕ 1) in the presence of magnetic influence, the rate of fire is lower without the influence of a magnetic field, but in a rich mixture (ϕ 1) in the presence of a magnetic influence, the rate of fire is higher than without the influence of a magnetic field. This is due to the magnetic influence that induces oxygen. Oxygen is paramagnetic, so it can be attracted by magnetic fields.
Co-Authors Agus Triono Ahmad Iqbal Fawaid Akbar Anugrah Ikhsani Andi Sanata Ardila Dwi Tresna Arifin, Moch Miftahul Aris Zainul Muttaqin Atlanta Iwananda Azmi Saleh Boy Arief Fachri Cahya Alief Prasetyo Cahya Alief Prasetyo Catur Suko Sarwono Chatarina Umbul Wahyuni Danang Yudistiro Dedi Dwilaksana Deny Tomy Andrianto Deny tomy andrianto Digdo Listyadi, Digdo Dinasti Achmad Tristanto Dinasti Achmad Tristanto Dony Perdana Firdiansyah, Alfian FX Kristianta Gaguk Jatisukamto Haidzar Nurdiansyah Hanifudin, Muhamad Hari Arbiantara Basuki Imam Rudi Sugara Intan Hardiatama K.W., Robertoes Koekoeh Kristianta, Franciscus Xaverius Lukman Hakim Lukman Hakim M Edoward Ramadhan M. Fahrur Rozy Hentihu Mahatma Junjung Mardlotila Mahros Darsin Muhammad Dimyati Nashrullah Muhammad Katibi Vanhas Muhammad Nur Cahyo Hidayat Nasrullah Nasrul Ilminafik Nasrul Ilminnafik Putra Dimas Endrawan Putra, Dimas Endrawan Rahma Rei Sakura Rika Dwi Hidayatul Qoryah Rima Zidni Karimatan Nisa Salahuddin Junus Santoso Mulyadi Setyo Pambudi Setyo Pambudi Susilo, Bili Darnanto Syuhri, Skriptyan N.H. Syuhri, Skriptyan Noor Hidayatullah Thatit Widya A.P Trifiananto, Muhammad wigo ardi winarko Yuni Hermawan