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All Journal Mechanical Engineering for Society and Industry TECHNOLOGIC
Deprian, Lukyawan Pama
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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ANALISA PERBANDINGAN KONSUMSI BAHAN BAKAR DAN TENAGA YANG DIHASILKAN PADA TIAP PUTARAN MESIN DI MESIN TOYOTA K3-VE DENGAN METODE PEMBEBANAN TETAP MENGGUNAKAN DYNO TEST MAHA LPS 3000 Widyartono, Andreas Edi; Kristianto, Stevanus Brian; Deprian, Lukyawan Pama
Technologic Vol 10 No 1 (2019): TECHNOLOGIC
Publisher : LPPM Politeknik Astra

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

Abstract

The consumption of fuel and power produced on an internal combustion engine is one factor to determine the efficiency of a machine. The small amount of fuel consumed will vary, among others, depending on the condition of the load, engine speed and construction of the engine itself. Fuel consumption is different at each engine speed to produce the same torque. In this study, the author will test a machine to prove fuel consumption through a graph of fuel consumption of power produced at each engine speed by using a Toyota Avanza car with a capacity of 1300 cc with a manual transmission as the object of research, a Dynotest Brand Chassis MAHA LPS 3000 made in Germany with a capacity of up to 450 BHP as a testing tool, as well as a Scan Tool as a measuring instrument related to fuel use. Tests will be carried out by giving varying loads to the engine with Dynotest, then measured fuel consumption indirectly through a Pulse Width Modulation signal that is read on each load. Calculations from the test results show that the Toyota Avanza engine with a capacity of 1300cc, shows that the most efficient use of fuel is at 3000 rpm to 4000 rpm.
Experimental study on a new prototype design of electric bus vehicle structure under torsion loading conditions Haryanto, Budi; Sumarsono, Danardono Agus; Karmiadji, Djoko Wahyu; Adhitya, Mohammad; Kristianto, Stevanus Brian; Deprian, Lukyawan Pama
Mechanical Engineering for Society and Industry Vol. 5 No. 2 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.13559

Abstract

Vehicles commonly encounter uneven road conditions, which can lead to torsional deformation of the frame structure. The results of finite element analysis (FEA) indicate that the highest stress occurs under torsion loading conditions. To validate these simulation results, an experimental study was conducted involving static load testing under torsional loading conditions on a hybrid frame structure, composed of SS 400 carbon steel and 6061 aluminum alloy, designed for a 70-passenger electric bus. The test was performed by applying a static load of 6,825 kg as sandbags on the seating area and aisle, and supporting the frame on three wheels only. Strain measurements were recorded using 28 strain gauges: 20 on the SS 400 carbon steel underframe and 8 on the 6061 aluminum alloy structure of the side and roof frames. The total load was the weight of 70 passengers plus a 30% dynamic load factor. Experimental analysis revealed a maximum stress value of 76.42 MPa in the SS 400 carbon steel of the underframe at location 9 in the central section of the underframe. In the 6061 aluminum alloy structure, the maximum stress value of 15.56 MPa was obtained in the roof frame directly below the air conditioner unit. Overall, the measured stress values were within the elastic ranges of the materials used, demonstrating structural integrity under load. The average difference between the experimental results for stress and the finite element analysis (FEA) simulation was approximately 11.21%.
Co-Authors Andreas Edi Widyartono Budi Haryanto Danardono Agus Sumarsono Karmiadji, Djoko Wahyu Kristianto, Stevanus Brian Mohammad Adhitya, Mohammad Stevanus Brian Kristianto