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All Journal Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Infotekmesin MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering AEEJ : Journal of Automotive Engineering and Vocational Education Jurnal Techno Bahari Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE)
Misbakhul Fatah
Politeknik Negeri Madura
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Simulasi Rangka Engine Trainer dengan Lengan Adaptor sebagai Penunjang Pembelajaran Assembly dan Disassembly Misbakhul Fatah; Rahman Hakim; Auliana Diah Wilujeng; Sayyid Hasan
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.1060

Abstract

Overhaul is a method of engine maintenance where the engine is dismantled and all components are checked and replaced if there is damage. In carrying out overhaul activities, engine trainer  tools are needed, therefore the operator can reach the components in the pinch point. Engine trainers on the market are usually only specific to one engine. However, in this study, a universal engine trainer was designed with various adapter arms that can rotate on one axis. This engine trainer is equipped with a buffer that is useful for reducing vibration when the engine is started. The design of the engine trainer frame was tested for strength using a static load simulation with an engine load of 400 N. The simulation showed that the frame deflection due to the load was 0.7781 mm. This value can be said to be safe from a static load test.
Perancangan Hovercraft Pengangkut Sistem Desalinasi Untuk Pelayaran Jarak Dekat Antar Pulau Taufan Prasetyo; Misbakhul Fatah; Ike Dayi Febriana
Techno Bahari Vol 7 No 2 (2020)
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v7i2.91

Abstract

Indonesia is an archipelago country which consist of several large islands and thousands of small islands. According to the latest data, a total of 17.504 islands exist in Indonesian, which 6.000 are inhabited islands. Small islands with an area of ??less than 2.000 m2 do not have sufficient clean water sources or even none at all. Many solutions have been developed regarding the clean water crisis, which one is to provide a distilling seawater into clean water or what the local government calls the desalination system. However, it did not work effectively because the cost of equipments maintenance was quite expensive. In this study, a water transportation for distributing portable desalination machines or systems and other logistical needs between island is designed. Due to the lack of adequate docks and loading facilities on many islands, the researchers took the initiative to design a Hovercraft, an Amphibious Ship to simplify the distribution and loading process on land. The design process is carried out using the sister ship method by considering the size of the object to be distributed so that the length = 13.2 m, Width = 6.7 m, Aluminum material, with a total weight = 19 tons, Speed ??= 50 knots, and the design refers to the Carrier type of Hovercraft. Based on these data, the total lifting capacity is 1909.44 HP and the thrust is 695.61 HP.
Modification of Kaplan Turbine with Variation of Guide Angle (Guide Vanes) to Generate Electric Power Amin Jakfar; Misbakhul Fatah; Anauta Lungiding Angga R
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 4 No 3 (2022): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (948.635 KB) | DOI: 10.46574/motivection.v4i3.153

Abstract

Hydroelectric power plant is renewable electrical energy that is needed at this time. One of the hydropower plants that has been designed is the Kaplan turbine, which is intended for the Geladak Kenong river, Pamekasan. The turbine is designed to produce 1000 Watts of power. In the manufacture of the turbine, several variations have been carried out, namely the diameter of the turbine blades, the angle of the turbine blades and the height of the draft tube. However, the power generated is relatively small, which is 416.89 Watts. In this modification, Kaplan turbines will be made with variations in Guide Vanes angles of 15⁰, 25⁰, 35⁰ and 45⁰. Its working principle is optimizing water energy to improve Turbine performance. The method used in this study is to vary the angle of the Guide Vanes which can affect the power generated. The results of the Kaplan Turbine test, the highest power of 521.79 Watt, occurred at a Guide Vanes angle of 25⁰ with a discharge of 0.0152 m3/s and a rotation of 466 rpm. Pembangkit listrik tenaga air (PLTA) merupakan energi listrik terbarukan yang sangat dibutuhkan pada saat ini. Salah satu PLTA yang telah dirancang yaitu turbin Kaplan yang diperuntukkan di sungai Geladak Kenong Pamekasan. Turbin tersebut dirancang untuk dapat menghasilkan daya sebesar 1000 Watt. Dalam pembuatan turbin tersebut telah dilakukan pengujian dengan beberapa variasi yaitu diameter sudu tubin, sudut sudu turbin dan ketinggian draft tube. Namun daya yang dihasilkan relatif kecil yaitu sebesar 416,89 Watt. Pada modifikasi ini akan dibuat Turbin Kaplan dengan variasi sudut Guide Vanes 15⁰, 25⁰, 35⁰ dan 45⁰. Prinsip kerjanya mengoptimalkan energi air untuk meningkatkan kinerja Turbin. Metode yang digunakan dalam penelitian ini ialah memvariasi sudut Guide Vanes yang dapat mempengaruhi daya yang dihasilkan. Hasil dari pengujian Turbin Kaplan, daya tertinggi sebesar 521,79 Watt, terjadi pada sudut Guide Vanes 25⁰ dengan debit 0.0152 m3/s dan putaran 466 rpm.
UTILIZATION OF BLACK STICKY RICE FOR BIOETHANOL PRODUCTION AS GASOLINE FUEL BLENDS FOR MOTORCYCLES Abdul Hamid; Misbakhul Fatah; Tegar Hermawan Priambodo; Septian Dwi Wijaya
Jurnal Rekayasa Mesin Vol. 13 No. 2 (2022)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v13i2.1190

Abstract

Despite possessing non-renewable properties, fossil fuel is still widely used as a major energy source. Subsequently, the fossil fuel demand has been increasing while the supply is depleting over time leading to an energy crisis. Fossil fuel also causes associated environmental problems such as emissions as the primary driver of global warming and climate change. Thereby, the development of alternative fuels, such as bioethanol, is beneficial to combat the fossil fuel challenges. Bioethanol is a promising fuel owing to its renewable and environmentally friendly characteristics. In this study, bioethanol was synthesized by a fermentation process over yeast (Saccharomyces Cerevisiae). The feedstock for this process is an abundant resource namely black sticky rice. Bioethanol resulting from this process was mixed with gasoline and applied to a motorcycle machine. The performance of bioethanol was defined by power, torque, and emission. The proportion of the mixture was varied with bioethanol content of 0%, 10 %, 20 %, 30 %, and 40%. The mixture of bioethanol-gasoline produced higher power and torque value compared to gasoline. The E40 mixture had the highest power and torque value with 8.5 hp and 9.2 Nm respectively. However, the combustion of bioethanol-gasoline resulted in more CO2 emission, while the emissions of O2, NO, and NOx were lower. The lowest NOx emissions content was obtained at E30 and E40 blends, about 7 ppm. Meanwhile, the lowest NO emission content was obtained at E30 and E40 blends, about 6 ppm.
Rancang Bangun Turbin Kaplan Variasi Diameter Baling-Baling Untuk Menghasilkan Daya Listrik Amin Jakfar; Misbakhul Fatah; Auliana Diah Wilujeng
AEEJ : Journal of Automotive Engineering and Vocational Education Vol 3 No 2 (2022): AEEJ : Journal of Automotive Engineering and Vocational Education
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/aeej.v3i2.127

Abstract

Water energy can be used as a power plant by utilizing the available potential energy (waterfall potential and flow velocity). Today's energy needs are increasing along with the increase in population growth. Kaplan turbine is a turbine composed of propellers/turbine wheel blades such as ship propellers. The Kaplan turbine blades' length and width determine the Kaplan turbine's outer diameter. The outer diameter of the Kaplan turbine will influence the torque generated by the Kaplan turbine. The greater the torque produced, the greater the power obtained. Data collection was carried out to calculate power with five variations of the propeller's diameter, namely 21 cm, 24 cm, 25.8 cm, 27 cm, and 30 cm. s, 0.0133 m3/s, 0.0139 m3/s, and 0.0152 m3/s. The results of the Kaplan turbine test with variations in the blades' diameter and variations in the discharge obtained tremendous power at a diameter of 30 cm with a flow rate of 0.0152 m3/s. Tenaga air yang dalam bahasa Inggris “hydropower” adalah energi yang diperoleh dari air yang mengalir. Air merupakan sumber energi, karena pada air tersimpan energi potensial (pada air jatuh) dan energi kinetik (pada air mengalir). Energi air merupakan energi yang dapat dimanfaatkan sebagai energi pembangkit listrik. Pemanfaatan energi air banyak dilakukan dengan menggunakan turbin air. Turbin Kaplan adalah jenis turbin yang tersusun dari propeller/sudu-sudu roda turbin seperti Diameter luar turbin baling-baling kapal. Kaplan ditentukan oleh panjang dan lebar baling-baling turbin Kaplan. Torsi yang dihasilkan turbin Kaplan akan dipengaruhi oleh diameter luar turbin Kaplan. Semakin besar torsi yang dihasilkan maka semakin besar pula daya yang didapatkan. Untuk menghitung daya maka dilakukan pengambilan data dengan lima variasi diameter baling-baling yaitu 21 cm, 24 cm, 25.8cm, 27 cm, dan 30 cmdan variasi debit pada setiap diameter ada lima, yaitu 0,01 m3/s, 0,0116 m3/s, 0,0133 m3/s, 0,0139 m3/s, dan 0,0152 m3/s. Hasil pengujian turbin Kaplan variasi diameter baling-baling dan variasi debit didapatkan daya terbesar pada diameter 30 cm dengan debit 0,0152 m3/s.
Pengembangan Pusat Unggulan Teknologi, Center Of Heavy Equipment Untuk Mempersiapkan Sdm Bidang Mekanik Dan Operator Alat Berat Yang Kompeten Mohammad Anas Fikri; Ike Dayi Febriana; Laily Ulfiyah; Misbakhul Fatah; Lukman Hadiwijaya; Amin Jakfar; Auliana Diah Wilujeng; Annafiyah Annafiyah; Faizatur Rohmah; Abdul Hamid; Ratna Ayu Pawestri K. D; Septian Dwi Wijaya; Nadiyah Ulfah; Dimas Aryo Wicaksono; Ghopal Ahmad Fachrudin; Eddy Harsono
Journal of Applied Mechanical Engineering and Renewable Energy Vol 3 No 1: Februari2023
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jamere.v3i1.438

Abstract

The low demand for vocational education graduates has led to high unemployment. The low demand for vocational education graduates has led to high unemployment. Vocational college graduates still need to be commensurate with industrial needs. Many Senior High School, Vocational High School, and Vocational College graduates have not been able to find a job for more than six months. Conditions on Madura island worsened this, and the lack of accelerated industrialization even after the Suramadu Bridge was built. Madura has the lowest Human Development Index (HDI) score in East Java. Data from the Central Bureau of Statistics (BPS) Sampang in Figures 2021) shows that the HDI value in 2020 only increased by 0.76 from 2019 of 62.70. Politeknik Negeri Madura (Poltera) together with PT. United Tractors and LSP ABI want to take an active role in improving Madura's HDI by preparing human resources on heavy equipment mechanics through the development of a centre of excellence for technology (PUT) of Heavy Equipment (CHE). Using the causal-comparative method, the researcher observed the impact of each stage on PUT-CHE development activities and reviewed the data to find causal factors and correlations. Poltera took a strategic step by equipping lecturers with virtual training on heavy equipment mechanics (SOBAT Program), organized by PT United Tractors. The SOBAT program has positively impacted heavy equipment engineering graduates in 2022, which has increased significantly. Academic data showed that 13 out of 34 heavy equipment mechanical engineering graduates were employed in leading heavy equipment industries before three months. Other data stated that three lecturers participating in Virtual Training on heavy equipment mechanics were selected as 50 interns at PT United Tractors.
Pengujian Las SMAW Pada Rangka Engine Trainer Mitsubishi Canter 110 PS Auliana Wilujeng; Lukman Hadiwijaya; Misbakhul Fatah; Mohammad Anas Fikri; Ahmad Nur Zakhi
Techno Bahari Vol 8 No 1 (2021)
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v8i1.114

Abstract

Engine trainer merupakan alat bantu untuk menopang suatu mesin tertentu agar memudahkan operator dalam melakukan pekerjaan perawatan. Jurusan Teknik Mesin Alat Berat di Politeknik Negeri Madura dalam kegiatan belajar mengajarnya juga melakukan kegiatan perawatan. Adanya alat bantu engine trainer tentunya mempermudah mahasiswa dan dosen dalam mengakses bagian-bagian mesin. Pembuatan rangka engine trainer tentunya harus kokoh untuk dapat menopang mesin Mitsubishi Canter 110PS yang bobotnya mencapai 400 kg. Sambungan yang digunakan dalam penelitian ini adalah sambungan las. Metode pengelasan yang digunakan adalah metode las SMAW. Analisis pengaruh variasi arus dan electroda dilakukan dalam penelitian ini untuk mengetahui kekuatan pengelasan dan cacat permukaan yang terjadi karena adanya las. Variasi arus yang digunakan adalah 70 A, 80 A dan 90 A. Sedangkan variasi elektroda yang digunakan adalah E6013 dan E7016. Hasil yang didapat dari penelitian ini adalah tidak ada cacat permukaan setelah dilakukan pengelasan. Selain itu didapatkan tegangan bending terbesar pada variasi elektroda E6013 dengan kuat arus 90 A sebesar 35,52 MPa.
Studi eksperimental variasi media pendingin dan holding time tempering terhadap kekerasan material pengganti pin track link excavator 305.5E2 Auliana Diah Wilujeng; Misbakhul Fatah; Laily Ulfiyah
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.v12i1.2223

Abstract

The frequency of using heavy equipment that exceeds capacity often occurs in construction projects. This can cause components to fail or wear out as in track link pin components. Therefore, this study aims to obtain a good quality of heat treatment using quenching and tempering methods, to the hardness values of AISI 1045 and AISI 1037 steels for replace the track link pin components of Excavator 305.5E2. In this study, the method of heat treatment is hardening with a temperature of 800℃. After that it is cooled quickly using water and oil media. After that, the specimens were tempered based on differences in holding times of 30, 35, 40 minutes. Specimens that have been heat treated will be tested using a hardness test using the Vickers method. From the results of this study, it was found that the effect of the cooling medium and holding time on the hardness value of AISI 1045 steel. At a holding time of 30 minutes the hardness value was 41.5 HRC. Meanwhile, in water media at a holding time of 30 minutes, the hardness value is 32.2 HRC.
Co-Authors Ahmad Nur Zakhi Amin Jakfar, S.T.,M.T., Lukman Hadiwijaya, S.T.,M.T. Anauta Lungiding Angga R Annafiyah Auliana Diah Wilujeng Auliana Wilujeng Dimas Aryo Wicaksono Eddy Harsono Faizatur Rohmah Ghopal Ahmad Fachrudin Ida Ayu Putu Sri Widnyani Ike Dayi Febriana Laily Ulfiyah Lukman Hadiwijaya Mohammad Anas Fikri Nadiyah Ulfah Rahman Hakim Ratna Ayu Dewi Sayyid Hasan Septian Dwi Wijaya Taufan Prasetyo Tegar Hermawan Priambodo