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All Journal Traksi : Majalah Ilmiah Teknik Mesin Jurnal Energi Dan Manufaktur Teknika LONTAR Jurnal Teknik Mesin Undana (LJTMU ) ROTOR: JURNAL ILMIAH TEKNIK MESIN DINAMIKA Jurnal Ilmiah Teknik Mesin Majalah Ilmiah MOMENTUM Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) Jurnal Rekayasa Mesin CHEESA: Chemical Engineering Research Articles Jurnal Serambi Engineering Gorontalo Journal of Infrastructure and Science Engineering Barometer JURNAL KAJIAN TEKNIK MESIN INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Musamus Journal of Electro & Mechanical Engineering Jurnal Teknik Mesin Jurnal Teknik Mesin Indonesia Jurnal Pendidikan Teknik Mesin Undiksha Quantum Teknika Jurnal Mesin Nusantara Jurnal Ilmiah Wahana Pendidikan Media Bina Ilmiah IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Journal of Education Technology Information Social Sciences and Health Mutiara: Multidiciplinary Scientifict Journal Jurnal Polimesin

Naubnome, Viktor

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Author-ID : 1085628

Religion Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Neuroscience Nursing Public Health Social Sciences Transportation Other

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Simulasi pada Modifikasi Upper Hose Radiator dengan Pipa Bersirip Menggunakan Software Ansys Muhammad Riziq Mustofa; Viktor Naubnome; Farradina Choria Suci
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 21 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Radiator hoses are generally round and made of polymer rubber. Utilization of this modified hose aims to distribute heat in the coolant to the environment in the hose using a finned pipe so that the heat of the cooling liquid can be wasted with the fins when it is passed, so that when entering the radiator the liquid has a lower temperature. The simulation was carried out using the CAE Ansys Student 2021 R2 software. In this study, water was used as a fluid with an inlet temperature of 360 K, 20 fins, 3 types of fins, namely square, circular, helical and 2 materials, namely aluminum and low carbon steel. The results show that the lowest outlet temperature is in the circular fin with low carbon steel material with a temperature of 348.4 K, and the finned pipe that has a high temperature is the aluminum square fin pipe with a temperature of 359.9 K. There is a change in temperature in each type of fin and material. indicates a decrease in temperature in the flow, this will be very useful and will make the radiator work better because the incoming temperature is lower.

ANALISIS UJI TARIK DAN SIMULASI KEGAGALAN PADA BAJA SS400 DENGAN VARIASI KETEBALAN LAPISAN KARBON FIBER UNTUK APLIKASI KERANGKA MOBIL LISTRIK Viktor Naubnome
Gorontalo Journal of Infrastructure and Science Engineering Vol 3, No 1 (2020): Gorontalo Journal Of Infrastructure And Science Engineering
Publisher : Universitas Gorontalo

This study aims to analyze the tensile strength of steel SS400 with carbon fiber layer thickness variation to the application framework of electric cars, as well as proving the existence of an increase in the strength of the material. The method used to collect data in this study is the experimental method. This study uses tensile testing. a test to refine to be paid out starting on 12 specimens with some variation the thickness of the carbon fibers layer. A gluing naturally occurring carbon fiber use resin. The test results show that the yield strength value of steel SS400 with a 1 mm layer of carbon fiber has a strength of 427,435 N/mm2, the specimen with a layer of 3 mm carbon fiber has a yield strength value of 606,956 N/mm2, and specimens with carbon fiber layer have a thickness of 7 mm yield strength value of 823,230 N/mm2, while on the specimen without using carbon fiber layer showed yield strength smallest value is 345,509 N/mm2. Carbon fiber layer thickness affects the yield strength value specimens SS400. The thicker the layer is given, the higher the yield strength values obtained. Simulation results of failure based on a static test with multiple speed variations, von misses stress value does not exceed the maximum yield strength of the material that is owned by the materials in steel material SS400 with this carbon fiber coating well tested for further testing of the resulting minimum safety factor has a good value or more than one value which means that the construction is declared safe or can be further tested.Penelitian ini bertujuan menganalisis kekuatan tarik baja SS400 dengan variasi ketebalan lapisan karbon fiber untuk aplikasi kerangka mobil listrik, serta membuktikan adanya peningkatan kekuatan pada material. Metode yang digunakan untuk pengumpulan data pada penelitian ini adalah metode eksperimen. Penelitian ini menggunakan pengujian tarik. Pengujian dilakukan pada 12 spesimen dengan beberapa variasi ketebalan lapisan karbon fiber. Perekatan serat karbon menggunakan resin. Hasil pengujian tarik memperlihatkan bahwa nilai yield strength baja SS400 dengan lapisan serat karbon 1 mm memiliki kekuatan 427,435 N/mm2, spesimen dengan lapisan karbon fiber 3 mm memiliki nilai yield strength 606,956 N/mm2, dan spesimen dengan lapisan karbon fiber ketebalan 5 mm memiliki nilai yield strength 823,230 N/mm2, sedangkan pada spesimen tanpa menggunakan lapisan serat karbon menunjukkan nilai yield strength yang paling kecil yaitu 345,509 N/mm2. Ketebalan lapisan karbon fiber berpengaruh terhadap nilai yield strength spesimen baja SS400. Semakin tebal lapisan yang diberikan, maka semakin tinggi pula nilai yield strength yang didapat. Hasil Simulasi kegagalan berdasarkan static test dengan beberapa variasi kecepatan, nilai von misses stress tidak melebihi batas maksimal kekuatan luluh (yield strength) yang dimiliki material dalam artian material baja SS400 dengan pelapisan karbon fiber ini layak diuji lebih lanjut begitu pun untuk hasil safety factor minimum yang dihasilkan memiliki nilai baik atau nilainya lebih dari satu yang artinya kontruksi dinyatakan aman atau dapat diuji lebih lanjut.

Pengaruh Arus pada Sambungan Las Terhadap Sifat Mekanik SS304 dengan Media Pendingin Coolant Menggunakan Las MIG Febrianti Sundari; Viktor Naubnome; Kardiman Kardiman
JURNAL ILMIAH MOMENTUM Vol 18, No 2 (2022)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v18i2.6710

Salah satu jenis stainless steel yang cukup kuat, tahan terhadap korosi, mampu mencegah kontaminasi dan mudah dibersihkan adalah AISI 304. Dalam aplikasinya di dunia industri penyambungan material jenis ini sering menggunakan pengelasan, dengan parameter pengelasan yang berbeda-beda, sehingga akan berpengaruh terhadap sifat mekanis material tersebut. Pada penelitian ini pengaruh dari arus pengelasan terhadap sifat mekanik pada pengelasan gas metal arc welding (GMAW) sambungan tumpul SS 304 telah dilakukan. Bahan yang digunakan dalam penelitian ini adalah baja tahan SS304 dengan konfigurasi sambungan tumpul. Variasi parameter pengelasan GMAW yang digunakan adalah arus pengelasan. Pengelasan GMAW dilakukan pada spesimen ketebalan plat 5 mm dengan gas pelindung CO2, dengan melakukan variasi arus 80 A, 100 A, dan 120 A. Sambungan yang digunakan pada pengelasan ini adalah jenis sambungan tumpul. Pengujian mekanik yang dilakukan yaitu Tarik dan uji kekerasan pada daerah terpengaruh las, logam las, dan logam induk.. Distribusi kekerasan secara umum pada daerah logam las relatif lebih tinggi dibandingkan daerah terpengaruh panas maupun logam induk.

ANALISA DAN PERHITUNGAN BELT PADA MESIN HULLER KOPI Muhammad Wandhika Nugraha; Deri Teguh Santoso; Viktor Naubnome
Media Bina Ilmiah Vol. 17 No. 1: Agustus 2022
Publisher : LPSDI Bina Patria

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (688.873 KB)

Laporan ini dilatar belakangi untuk mengetahui perhitungan untuk membuat VBelt. Bertujuan untuk menentukan tegangan,diameter, panjang Vbelt, dan pembuatan V belt. Dengan metode Observasi,Interview,dan Studi Literatur. Dan diperoleh hasil tegangan tarik izinnya 5280 N/mm2, diameter = 40 mm, diameter baut(d) =51,2 mm, serta jumlah gerigi adalah 8,32 sepanjang 41,6 mm. Kesimpulan laporan ini Dalam pembuatan benda kerja (Vbelt), diperlukan ketelitian dalam pengukuran, menggunakan tap atau mesin bubut, serta harus berkesinambungan sesuai tabel.

Analisis Proses Stress Relieving Annealing Terhadap Sambungan Las Gas Metal Arc Welding (Gmaw) Material Baja SS 400 Andri Rudiyanto; Ratna Dewi Anjani; Viktor Naubnome
Jurnal Ilmiah Wahana Pendidikan Vol 8 No 22 (2022): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

SS 400 steel (Structural Steel) is a type of low carbon steel (mild steel) which is classified into low alloy steel because its alloy composition is less than 8% with a composition of carbon (C) of 0.17%, manganese (Mn) 1.4%, phosphorus (P). ) 0.045%, and sulfur (S) 0.045%. Usually this steel is applied to bridge construction, plates on ships, oil tanks, and others. Almost every construction involves welding elements, although not a few in the welding process often cause residual stresses. Based on this, it is necessary to have a heat treatment process (stress relieving annealing) to reduce the residual stress and make the steel less brittle. The purpose of this study was to determine the effect on steel before and after the stress relieving annealing process at a temperature of 550oC with a holding time of about 30 minutes on the value of hardness and microstructure with Gas Metal Arc Welding (GMAW) welding process. The results showed that the highest hardness value was found in the raw material area of the Heat Affected Zone (HAZ) of 353.14 HV and the lowest hardness value was found in heat treated steel located in the weld metal area.

PENGARUH FRAKSI VOLUME TERHADAP KEKUATAN TARIK DAN BENDING KOMPOSIT SERAT SERABUT KELAPA BERMATRIKS POLIESTER Muhammad Aizul Haq; Viktor Naubnome; Najmudin Fauji
ROTOR Vol 15 No 2 (2022)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/rotor.v15i2.33390

With natural fibers, namely coconut fibers that are easily found in the surrounding environment and literature studies that have been carried out, starting from the alkalization process, volume fraction, fiber length and utilization which will be used for fiberboard, the author wants to make a composite of coconut fiber fibers and do some The tests are tensile test and bending test. The tensile test results show the smallest tensile strength value at 10% fiber volume variation of 14.64 MPa and the largest tensile strength at 30% volume fraction variation with a value of 20.90 MPa. Increase in fiber volume variation 10% to variation The bending test results show the smallest bending strength value at 10% fiber volume variation of 34.81.64 MPa and the largest tensile strength at 30% volume fraction variation with a value of 49.41 MPa. The increase in the volume of the coco fiber fraction which is directly proportional to the tensile and bending strength values is due to the increasing contribution of the fiber to withstand the load.

ANALISIS KINERJA MESIN AMG CNC PLATE CUTTING MENGGUNAKAN METODE OEE (OVERALL EQUIPMENT EFFECTIVENESS) Dwika Daffa Ashari; Viktor Naubnome; Najmudin Fauji
ROTOR Vol 15 No 2 (2022)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/rotor.v15i2.32408

In the industrial world, technology is an important thing that can help improve the quality of the industry. Every company that uses technology definitely needs an adequate maintenance system for tools and machines. The purpose of maintenance is to prevent unexpected machine breakdowns that can result in the production process stopping, endangering worker safety and increasing machine repair costs. One of the machines that are often used in the production process at PT XYZ is the AMG CNC plate cutting machine. Therefore, one method to determine the effectiveness of a cutting machine is Overall Equipment Effectiveness (OEE). Overall Equipment Effectiveness is a measurement made on performance related to the availability of process productivity and quality. As a result, by applying the OEE (Overall Equipment Effectiveness) method for performance analysis of the AMG CNC plate cutting machine, we can find out the value for availability of 91%, performance efficiency of 96%, and rate of quality product of 99%, the measurement results of the AMG CNC plate machine cutting in January 2021 using the OEE method of 86% which has passed the value of the OEE world standard of 85%. the value of the six big losses obtained is the breakdown loss value of 1.8%, the set up and adjustment value of 10%, the idle and minor stoppage value of 3%, the value of reduce speed losses of 5.3%, the value of process defect losses of 1 ,1%, the value of reduce yield losses is 0.06%.

Pengaruh Waktu Alkalisasi dan Variasi Arah Terhadap Kekuatan Mekanik Komposit Polyester Serat Agave Fahru Septiyandi; Rizal Hanifi; Viktor Naubnome
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 5 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Natural fiber reinforced composites are influenced by the characteristics of natural fibers, matrix, fiber bonding and fiber treatment. Examples of the treatment are alkalization and direction to determine the effect of the two treatments on the tensile strength produced by the composite material. The alkalization process uses 5%NaOH with immersion time 2 hours, 4 hours and 6 hours and combined with variations vertical, horizontal and random directions with the fraction used 85% 15% hand layup method and ASTM D638-02a standard test. the direction variation the highest tensile strength value produced in the vertical direction with a value of 43.76 MPa 6.67% strain and 6.55 MPa elastic modulus and the lowest value produced in the horizontal direction with tensile value of 2.32 MPa 0.47% strain and elastic modulus 5.05 MPa. While the best soaking time in the horizontal and random directions was 4 hours while for the vertical variation it was 2 hours because it had better fiber density and density than alkalization times 4 and 6. The best alkalization time for agave sisalana fiber based on 2 of the 3 variations in direction was 4 hours , so researchers took the best outline of the alkalization process is 4 hours.

Inspeksi Berbasis Risiko dan Penentuan Umur Sisa Lining Reaktor UDC 101 Pt Pupuk Kujang Viktor Naubnome; Christian Wely Wullur; Robi Purwoko
Musamus Journal of Electro & Mechanical Engineering Vol 1 No 02 (2019): Musamus Journal of Elektro & Mechanical Engineering
Publisher : Musamus University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/mjeme.v1i02.1489

Peralatan yang digunakan pada industri petro kimia umumnya berukuran besar dan memiliki risiko peralatan yang sangat tinggi salah satunya yang paling penting ialah bejana bertekanan yang beroprasi dengan tekanan dan temperatur yang tinggi. Dampaknya, kegagalan pada bejana bertekanan tidak dapat dihindari. Faktor keselamatan manusia serta lingkungan menjadi pertimbangan sebagai acuan untuk standar keamanan dan keselamatan. Tujuan penelitian ini ialah untuk menganalisis risk level, laju korosi, remaining life time, serta merekomendasikan program inspeksi pada instrumen bejana bertekanan yang dalam hal ini reaktor amonia UDC 101 yang dimana pada reaktor ini akan dianalisis pada linin reaktornya. Inspeksi ini menggunakan metode Risk-Based Inspection dengan menggunakan standart API 581 dengan bantuan software hitung Microsoft Excel. Kesimpulan dan hasil dari penelitian ini adalah langkah-langkah untuk menentukan Risk level pada lining reaktor menggunakan metode Risk-Based Inspection standart API 581 dan kemudian merekomendasikan perencanaan inspeksi bedasarkan Risk Level dan Remaining Life Time

Pengaruh Variasi Kecepatan Putar dan Kedalaman Pin Terhadap Kekuatan Tarik, Kekerasan dan Struktur Mikro Hasil Friction Stir Welding Material Aluminium 5052 Evan Pradana; Viktor Naubnome; Kardiman Kardiman
JURNAL ILMIAH MOMENTUM Vol 19, No 1 (2023)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v19i1.8425

Friction Stir Welding adalah proses penyambungan dua buah logam yang memanfaatkan gesekan dari tool yang berputar dengan benda kerja sehingga menghasilkan panas yang mampu melelehkan benda kerja yang diam tersebut dan akhirnya tersambung menjadi satu. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh kedalaman pin dan kecepatan rotasi alat pin FSW terhadap sifat mekanik Aluminium 5052. Variasi yang digunakan adalah kecepatan putar 910, 1500, 2280 rpm dan kedalaman pin 3, 4, 4,8 mm. Pengujian mekanis yang dilakukan yaitu uji tarik, uji kekerasan Vickers dan pengamatan struktur mikro menggunakan mikroskop optik. Hasil penelitian menunjukkan bahwa semakin cepat kecepatan putar, kekuatan tarik semakin meningkat, pada kecepatan 910 rpm kekuatan tarik yang diperoleh dari 131,4 MPa menjadi 148,2 MPa pada 2280 rpm. Semakin besar kedalaman pin, kekuatan tarik semakin menurun, pada kedalaman pin 3 mm kekuatan tarik yang diperoleh dari 148,9 MPa menjadi 146 MPa pada 4,8 mm Semakin besar kecepatan putar dan kedalaman pin, nilai kekerasan menurun dimana pada kecepatan putar 910 rpm kekerasan 55,52 VHN menjadi 53,03 VHN pada kecepatan putar 2280 rpm. Sedangkan pada kedalaman pin 3 mm kekerasan 62,49 VHN menjadi 55,06 VHN pada 4,8 mm.

Co-Authors -, Kardiman - ., Oleh Aa Santosa Aa Santosa Afriadi, Reza Tri Andri Rudiyanto Anjani, Ratna Dewi Ardha Febri Silatama Ardi Syahrifudin Arifin Arifin Avilla, Gilang Bangkit Indriyana Bobie Suhendra Christian Wely Wullur Daizanie Widiputri Hendarmin Defa Muchlis Fauzi Deri Teguh Santoso Dessy Agustina Sari Deyan Satrio Dimas Bimantoro Dwika Daffa Ashari Efelina, Vita Eri Widianto Evan Pradana Fadhila, Farhan Fahru Septiyandi Fahrul Rofi Faisal Arif Pambudi Farradina Choria Suci Fauzi, Rizki Febrianti Sundari Fulha, Muhammad Wildan Ainul Hanifi, Rizal Hazzel Giervin Putra Hengky Hendarmin, Daizanie Widiputri Ibrahim Ibrahim Ilham Yuhyi Iman Dirja Irvan Nurfajri Iwan Nugraha Gusniar Joel Padde Tamba Jojo Sumarjo Jojo Sumarjo Kardiman Kardiman Kardiman Kardiman, Kardiman Khalid Khalid M. Dandi Nursidik Mahardika, Bimo Sakti Marno, Marno Marshel Daniel Miko Mikael Mochammad Iedvan Maulana Muhaemin Al Fikri Muhamad Mahbub Albuhori Muhammad Aizul Haq Muhammad Andreansyah Muhammad Fadli Rahman Muhammad Riziq Mustofa Muhammad Wandhika Nugraha Mu’min, Misbahul Nadjmudin Fauji Najmudin Fauji Najmudin Fauzi Napiun, Matius Patrik Nur Hady Iskandar Lakxena O Oleh Pratama, Danis Agustian Rafiq Allam Mutaqin Reza Setiawan Rinto Fuazzidin Rio Sandy Rizal Hanifi Rizal Hanifi Robi Purwoko Rosid Rosid Siswadi Siswadi Suci, Farradina Choria Suprayogi, Farid Wahid Yusuf Ramadhan Yofi Aziz Rafi Athallah Zaelani, A M

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