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All Journal Otopro Jurnal Teknologi dan Manajemen
SUKENDRO SASONGKO
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Automotive Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Otopro

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SIMULASI PEMBEBANAN PADA RANGKA MESIN FUNGSI HYBRID PENGUPAS BIJIH JAGUNG BERBASIS ELEMEN HINGGA SUKENDRO SASONGKO; HERI IRAWAN; Hanif Fakhriawan Zany
Otopro Vol 17 No 2 Mei 2022
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v17n2.p57-61

Abstract

Preliminary investigation obtains that the elevation of the machine of about 150 cm ease man while operating the machine.  Free body diagram illustrates forces distribution on the supporting frame. Thus, virtual simulation of forces to the supporting frame applies finite element method to the stage investigating to load and stress-strain. Stress and displacement are investigated by using Von Misses method. Principal stress 1st order and 3th order also are applied for investigating stress -strain. The simulation results are revealed F1 = 17 lbf (68.6 N) and F2 = 11.023 lbf (49,03 N). The maximum stress appearing at the frame of machine is about of 0,09 Mpa. Displacement reaches maximum is at 0,01 mm. By applying safety factor to the machine frame, maximum stress to the machine frame is obtained 0,69 Mpa. So that, 1% displacement performs the machine frame is strong enough to support the machine. The timing process efficiency of multitasking machine is increase 15% higher than single tasking machine.
PERBAIKAN PERFORMA MESIN AUTOMATIC VEHICLE DENGAN FUEL-BOOSTER RACING Sukendro Sasongko; Titik Arlisa; Hery Irawan
Otopro Vol 19 No 1 Nov 2023
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v19n1.p18-23

Abstract

The performance enhancing engine of automatic vehicle experimentally investigated by adding a fuel-booster. The study aims to improve the combustion matic engine Honda by adding the fuel addictive reactant. The existence of fuel-addictive reactants enhances engine combustion. Besides that, the high octane number of fuel could be optimized during chemical reactions. Thus, the study investigates the matic motorcycle engine at steady operation. The experiment methods vary the fuel additive concentration. The fuel addictive varied is Eco racing to percentile. Thus, the engine performed by varying sparks (racing spark and standard spark). The engine of matic motorcycle is investigated. The engine performance is studied at the stand dyno test. The specific fuel consumption is scaled by a litre of Pertalite. The gas emissions were probed by a gas analyser. The investigation is conducted by three time replication. The result shows the fuel-addictive reactant (Eco racing) performs the best contributions during an iridium spark installed at the engine. Thus, the engine power was detected at 7,5 Hp. Torque resulted by 26,68 Nm; specific fuel consumption was at 0,048 gram,/Hp.s.  Engine-Rpm of 6000 emits CO 0,27%, HC 147 ppm, CO2 12,0 %, dan O2 20,84 %. Those gas concentrations are still lower and acceptable due to their concentration being lower than that in the national emissions standard.  
Co-Authors Hanif Fakhriawan Zany HERI IRAWAN Hery Irawan Naili Saidatin Titik Arlisa Wisnu Ninggar Nurmisdi