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All Journal Jurnal Silvikultur Tropika (JST) Jurnal Teknik Mesin Reaktor Prosiding Semnastek ARTEKS : Jurnal Teknik Arsitektur Jurnal Energi dan Lingkungan (Enerlink) Indonesian Journal of Computing, Engineering, and Design Automotive Experiences Makara Journal of Technology Prosiding SNTTM
Yulianto Sulistyo Nugroho
Departemen Teknik Mesin, Fakultas Teknik, Universitas Indonesia, Depok
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Effect of Graphene Oxide Addition on Spark Ignition Engine Performance and Cycle-to-cycle Variation with Gasoline-ethanol Fuel Askar Adika Agama; Ahmad Syihan Auzani; Alfian Ferdiansyah Madsuha; Hendra Hermawan; Ade Kurniawan; Mokhtar Mokhtar; Aswin Aswin; Nasruddin Nasruddin; Yulianto Sulistyo Nugroho; Harinaldi Harinaldi
Automotive Experiences Vol. 9 No. 1 (2026)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.14237

Abstract

A fuel blend of gasoline and ethanol increases octane, meets air quality standards, and satisfies renewable fuel mandates, but the blend does not always result in perfect bonding, causing fuel separation and increasing cyclic variation. To overcome these limitations, up to 60 ppm graphene oxide (GO) nanoparticles were added into an 80:20 gasoline-ethanol blend (E20) and tested for the first time on a spark-ignition (SI) engine. The engine performance was evaluated by measuring cyclic variation, combustion stability and pressure, torque and power, specific fuel consumption, and CO2 emission. The acquired data were then statistically treated by using a coefficient of variation (COV) and then evaluated with Response Surface Methodology (RSM) in order to demonstrate a strong ability to accurately predict the optimization. Results show that the addition of GO nanoparticles into the E20 reduced the COV by up to 19.54% at an engine speed of 8000 rpm when compared to E20 alone, while the torque and power both increased by 5% at 5500 rpm. The specific fuel consumption of the GO-E20 blend was up to 15% higher than that of E20, with a decrease in CO emission but an increase in CO2 emission. Generally, the E20GO blend positively impacts the SI engine’s cyclic stability and performance, but its potential adverse effects on the environment and health must be carefully considered.
Evaluasi keselamatan kebakaran kendaraan bermotor Yulianto Sulistyo Nugroho; Reza Adyanto Nugroho; Mohammad Adhitya; Muhammad Agung Santoso
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/qmde8743

Abstract

Risiko kebakaran kendaraan bermotor terus meningkat sejalan dengan meningkatnya populasi kendaraan bermotor serta mobilitas masyarakat. Kebakaran kendaraan bermotor dapat terjadi di perjalanan, di stasiun pengisian bahan bakar umum atau di dalam bangunan saat kendaraan di parkir. Kebakaran kendaraaan bermotor bukan saja menimbulkan kerusakan pada kendaraan, bangunan gedung parkir, tetapi juga dapat mengakibatkan cidera bahkan fatalitas penumpang kendaraan bermotor tersebut. Risiko kebakaran kendaraan bermotor baik berupa kendaraan dengan mesin pembakaran dalam (internal combustion engine - ICE) atau kendaraan listrik (electric vehicle – EV) ditandai dengan laju pelepasan kalor (heat release rate) akibat terbakarnya komponen / bahan mampu bakar yang ada di dalam kendaraan, maupun terbakarnya bahan bakar atau baterei sebagai sumber energi penggerak utama kendaraan bermotor. Untuk memberikan Gambaran mengenai risiko kebakaran kendaraan bermotor, makalah ini menyajikan metode pengukuran laju pelepasan kalor, kaji literatur hasil pengukuran eksperimental, dan evaluasi keselamatan kebakaran kendaraan bermotor sebagai upaya meningkatkan kepedulian dan keselamatan masyarakat pada umumnya.   
Assessment of fire resistance performance of composite bamboo shear walls Lily Tambunan; Luis Felipe Lopez; Andry Widyowijatnoko; Yulianto Sulistyo Nugroho
ARTEKS : Jurnal Teknik Arsitektur Vol 7 No 3 (2022): ARTEKS : Jurnal Teknik Arsitektur | September 2022 ~ Desember 2022
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/arteks.v7i3.1829

Abstract

This study is aimed to examine which configurations of mortar covering give the best fire protection for the bamboo-plaster wall system. The research is done in two stages, first is the non-standardized pre-test stage which results will become the basis for determining the specimen specification. In the second stage, the specimen with the best fire resistance level is tested with a standardized test referred to SNI 1741-2008 and ISO 834-1-1999. Fire resistance performance was measured according to integration and insulation level expressed in minutes. In the pre-testing stage, bamboo-wall configurations with woven bamboo, and mortar plaster on one-sided and two-sided are evaluated according to the burning time and the highest temperature reached on the unexposed side. The pre-testing result shows that the chipped and cracked mortar conditions affect the high temperature of the specimen and the burning of the woven bamboo, and vice versa. In the standardized test in the second stage, it was found that the specimen with one-sided mortar had an insulation and integration level of 30 minutes, while the specimen with two-sided mortar was 120 minutes. These results indicate that the mortar condition and its location affect the fire resistance performance of the bamboo-plaster wall.
Co-Authors Ade Kurniawan Adi Surjosatyo Adrianus Pangaribuan, Adrianus Almi Ramadhi Anggarani, Riesta Askar Adika Agama Aswin Aswin Ati Dwi Nurhayati Auzani, Ahmad Syihan Bambang Sugiarto Cahyadi Cahyadi Cahyadi Cahyadi Dwika Budianto Dwika Budianto Eko Setianto Erianto Indra Putra Fadhil Fadhil, Fadhil Fajri Vidian Harinaldi . Hendra Hermawan Hery Prabowo I Made Kartika Dhiputra Kooshartoyo, Meddy Luis Felipe Lopez Madsuha, Alfian Ferdiansyah Mohammad Adhitya, Mohammad Mokhtar Mokhtar Muhammad Agung Santoso Muhammmad Agung Santoso, Muhammmad Agung Nasruddin Pane, Invranza Zuhdi Purnomo, Dwi Marhaendro Jati Reza Adyanto Nugroho Sulistio Rizky Iskandar Tambunan, Lily Thareq, Achmad Efrizal Verda Emmelinda Satyawan Wardana Wardana Wibowo, Cahyo Setyo Widodo Wahyu Purwanto Widyowijatnoko, Andry Yulianto . Yuliusman Yuliusman