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All Journal ARMATUR : Artikel Teknik Mesin dan Manufaktur Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Indonesian Journal of Aerospace
Utama, Agus Bayu
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Aerospace Engineering Astronomy Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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“EFFICIENCY ANALYSIS OF 3 DIFFERENT FUEL TOWARDS GASOLINE FUEL MOTORS ON EME 35 ENGINES IN LAPAN SURVELLANCE UAV-02 (LSU-02)” Ramadhan, M. Fajar; Bismantolo, Putra; Suryadi, Dedi; Utama, Agus Bayu
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 8 No. 2 (2024): Oktober 2024
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v8i2.38341

Abstract

This study aims to analyze the efficiency of three different types of fuel on the EME 35 engine on the LSU 02 aircraft. The fuel used is Pertalite, Pertamax, and Pertamax turbo. The method used in this study was an experiment using the LSU 02 aircraft as the research object. The data is taken from measurements of fuel consumption and engine performance on each type of fuel. The analysis is carried out by comparing the efficiency and performance of the engine on each type of fuel used. The results showed that the efficiency and performance of the engine on Pertamax fuel was better than that of Pertamax turbo and Pertalite. Fuel consumption on Pertamax is more efficient than Pertalite and Pertamax turbo, so that Pertamax is more efficient in fuel use. In addition, engines on Pertamax fuel have better performance with greater power and are more stable compared to Pertalite and Pertamax turbo. Therefore, it is recommended to use Pertamax fuel in the EME 35 engine on the LSU 02 aircraft to achieve better efficiency and performance.
The effect of Impact Angle on Dynamic Response of 19 Passenger Commuter Aircraft Windshield against Bird Strike Warsiyanto, Budi Aji; Nurrohmad, Abian; Fitriansyah, Rizky; Utama, Agus Bayu; Sitompul, Sahril Afandi; Yuniarti, Endah
Indonesian Journal of Aerospace Vol. 19 No. 2 (2021)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2021.v19.a3560

Abstract

This paper's objective was to determine the dynamic response of a 19 passenger commuter aircraft windshield to impact angle variations. The phenomenon was performed using the finite element method, and the smoothed particle hydrodynamics (SPH) was chosen as a method for modeling bird material. The elastic-plastic polymethyl methacrylate (PMMA) material with the maximum principal strain failure criterion was used to model the windshield's dynamic response. The variation of the impact angle consists of 15°, 0°, -8°, and -15°, which are measured of the longitudinal axis of the aircraft. The simulation result showed that the impact angle that causes the windshield's dynamic response in the elastic, plastic deformation, and the greatest failure is the angle -15°. The upper end of the windshield (fixed) is the weakest part due to the stress concentration.
RANCANGAN DAN ANALISA SISTEM ORIENTASI TURBIN ANGIN KAPASITAS 2,5 KW Utama, Agus Bayu
Indonesian Journal of Aerospace Vol. 6 No. 1 (2008): Jurnal Teknologi Dirgantara
Publisher : BRIN Publishing

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Abstract

Telah dirancang satu sistem orientasi dengan rotor eksentrik dan ekor pengarah dengan hinge (sumbu gantung) untuk turbin angin skala kecil kapasitas 2.5 kW, kemudian dilakukan analisa statis rumusan matematis berdasarkan teori kesetimbangan momen pada sumbu menara pada 2 kondisi kecepatan angin yaitu kecepatan angin sampai kecepatan angin rancagan (V ≤ Vdisain) dan kecepatan angin di atas kecepatan angin rancangan (V > Vdisain). Dengan kecepatan angin rancangan Vdisain = 10 m/s, maka nilai γo (sudut serang angin terhadap daun ekor) pada kondisi V ≤ Vdisain , adalah 6.16°. Nilai berat ekor G yang tadinya 250 N harus diturunkan menjadi 209 N, yaitu dengan mengubah nilai berat batang ekor menjadi m1=12.5kg dan nilai berat daun ekor menjadi m2=8.4 kg. Pada kondisi V > Vdisain rotor mulai berputar dengan sudut serang angin terhadap rotor δ.
Analisis Sifat Mekanik Uji Tarik Material Komposit Serat Karbon–Epoksi 1011l dengan Metode Manufaktur yang Berbeda Utama, Agus Bayu; Abdurohman, Kosim; Habibullah, Moh.; Agustian, Rialdi
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 7 No. 2 (2026): Jurnal Armatur (in Progress)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v7i2.11171

Abstract

Carbon fiber reinforced polymer composites are widely used in structural applications due to their high strength-to-weight ratio. Manufacturing methods significantly affect fiber impregnation quality, void content, and mechanical properties. This study investigates the effect of different manufacturing methods on the tensile properties of carbon fiber–epoxy 1011L composites with 0° fiber orientation. Three manufacturing methods were used: hand lay-up (HLU), vacuum bagging (VB), and vacuum assisted resin infusion (VARI). A total of 21 specimens were tested using a Universal Testing Machine (UTM) at the National Research and Innovation Agency (BRIN) following ASTM D3039. The results show that The VARI method showed the best mechanical performance with an average maximum point stress (MPS) of 774,31 MPa and an elastic modulus (ME) of 39.313 MPa, followed by the vacuum bagging and hand lay-up methods. The hand lay-up method produced the lowest MPS and ME values, at 507,72 MPa and 20.401 MPa, respectively. The VARI method produces the best mechanical properties compared to the hand lay-up and vacuum bagging methods.
Co-Authors Abdurohman, Kosim Agustian, Rialdi Bismantolo, Putra Budi Aji Warsiyanto Dedi Suryadi Endah Yuniarti, Endah fitriansyah, Rizky Habibullah, Moh. Nurrohmad, Abian Ramadhan, M. Fajar Sitompul, Sahril Afandi