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All Journal TEKNIK Jurnal Pendidikan dan Pengajaran Jurnal Pendidikan Teknologi dan Kejuruan JTEV (Jurnal Teknik Elektro dan Vokasional Sainstek Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) JOIV : International Journal on Informatics Visualization INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Jurnal Penelitian Pendidikan IPA (JPPIPA) JURNAL PENDIDIKAN TAMBUSAI Jurnal Ilmiah Pendidikan dan Pembelajaran Journal of Educational Research and Evaluation Journal on Education EDUPEDIA JTP - Jurnal Teknologi Pendidikan Jurnal EDUCATIO: Jurnal Pendidikan Indonesia JRTI (Jurnal Riset Tindakan Indonesia) Jurnal Informasi dan Teknologi Journal of Applied Engineering and Technological Science (JAETS) IJECA (International Journal of Education and Curriculum Application) MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Teknomekanik ARSY : Jurnal Aplikasi Riset kepada Masyarakat JPTE: Jurnal Pendidikan Teknik Elektro MSI Transaction on Education Jurnal Sosial dan Teknologi AEEJ : Journal of Automotive Engineering and Vocational Education Automotive Experiences Jurnal Vokasi Mekanika MASALIQ: Jurnal Pendidikan dan Sains Innovative: Journal Of Social Science Research Journal of Engineering Researcher and Lecturer Ranah Research : Journal of Multidisciplinary Research and Development JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia Asian Journal of Science, Technology, Engineering, and Art IJIMCE : International Journal of Innovation in Mechanical Construction and Energy The Indonesian Journal of Computer Science IJIS Edu : Indonesian Journal of Integrated Science Education
Remon Lapisa
Universitas Negeri Padang
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : Automotive Experiences

 1 
Combustion and Emission Characteristics of CNG-Diesel Dual Fuel Engine with Variation of Air Fuel Ratio Dori Yuvenda; Bambang Sudarmanta; Jamaludin Jamaludin; Oki Muraza; Randi Purnama Putra; Remon Lapisa; Krismadinata Krismadinata; Rahadian Zainul; Asnil Asnil; Muji Setiyo; Sri Rizki Putri Primandari
Automotive Experiences Vol 5 No 3 (2022)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.7807

Abstract

Compressed natural gas (CNG) is a popular alternative fuel because of its more environmentally friendly properties than fossil fuels , including applications in diesel engines. However, supplying too much compressed natural gas fuel causes poor engine performance and emissions due to a decrease in the air-fuel ratio on the dual-fuel engine. The addition of air using electric superchargers was done to return the air-fuel ratio to ideal conditions. Lambda value (λ) was variation under low load (1.52 to 2.71), medium load (1.18 to 2.17), and high load (0.94 to 2.17) on a CNG-diesel dual fuel engine. The addition of pure air in each load can increase combustion stability in certain lambda, which was indicated by an increase in thermal efficiency, heat release rate, and a decrease in ignition delay, combustion duration, hydrocarbon, and carbon monoxide emissions.
Design and Crash Test on a Two-Passenger City Car Frame using Finite Element Method Putra, Randi Purnama; Yuvenda, Dori; Afnison, Wanda; Lapisa, Remon; Milana, Milana; Fauza, Anna Niska; Harmanto, Dani
Automotive Experiences Vol 7 No 2 (2024)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.11306

Abstract

The chassis is an important part of a car which must have a strong construction to withstand the weight of the vehicle. The purpose of this research is to create a city car's chassis that can hold two passengers and then crash-test the finished product. In this research, a development method was used using SolidWorks software and the student version of ANSYS R2 2023 as software for creating chassis designs and crash test simulations. The study's findings indicate that the car frame's measurements are 2.46 meters in length, 1.33 meters in height, and 1.39 meters in width. The steel of the ASTM A36 type was utilized as the material in the computational study of the frame. The results show that increasing speed causes an increase in deformation, with the peak deformation at a speed of 100 km/h. The maximum deformation occurs at 0.007 seconds with a value of 203.51 mm at the top pillar of the car. The deformation increases from 97.196 mm at 0.0035 s to 161.22 mm at 0.0056 s. However, deformation occurs mainly in the front zone of the car frame and is not significant in the passenger zone.
Aerodynamic Approach to Two-Passenger City Car Design: A Study of Square Back and Compact Shapes Putra, Randi Purnama; Yuvenda, Dori; Lapisa, Remon; Afnison, Wanda; Milana, Milana; Setiawan, M. Yasep; Arif, Ahmad; Harmanto, Dani
Automotive Experiences Vol 8 No 2 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.13686

Abstract

The development of lightweight electric cars for urban mobility requires efficient aerodynamic design without sacrificing space efficiency. This study presents a novel method by investigating the combination of a two-seater city car's compact dimensions and square back shape, which has not been extensively researched for low- to medium-velocity vehicles. This study's objective is to assess the design's aerodynamic performance using numerical simulations using the Computational Fluid Dynamics (CFD) approach. The vehicle model is designed with a compact body and square back, which is commonly used in small vehicles with high maneuverability requirements. The simulations are conducted at three different air velocity levels: 10, 20, and 30 m/s. The results of the study showed an increase in the value of the drag coefficient (Cd) along with an increase in flow velocity. At a velocity of 10 m/s, the Cd value was recorded at 0.4536. When the velocity increased to 20 m/s, the drag coefficient increased slightly to 0.4563. Further increases in velocity to 30 m/s resulted in a Cd value of 0.4581. This Cd value shows the consistency of aerodynamic performance with increasing velocity, with fluctuations that remain within the efficiency limits of lightweight vehicles. The pressure distribution contour shows high-pressure accumulation at the front and low pressure at the rear of the vehicle, which generates large turbulent wakes in the rear area and contributes to increased drag. These findings indicate that the square rear body design faces significant aerodynamic challenges. Therefore, design strategies such as adding a rear spoiler, using a rear diffuser, and optimizing the rear body angle are suggested as potential solutions to improve flow efficiency.
Co-Authors - Primawati A G Halim A, Esa Hafizul Abbas, Muhammad Rabiu Abdul Aziz Abdullah, Adlan Azmi Abdullah, MT, Dr. Rijal Ade Afriadi AR Afif Rahman Riyanda Agus Sukandi Ahmad Arif Ahmad Arif Aldio, Muhammad Fikhri Alex Firstson Kurniawan Alfarizi, Aldi Ambiyar, Ambiyar Ananda, Opi Andre Kurniawan Andre Kurniawan Andre Kurniawan Andri Septiandes Anugrah, Pinto Aprianto, Anggi Aprizal Saputra Arafat, Andril Arfianti, Fina Armaliany, Telvi Arnas Arnas, Arnas Arwizet Arwizet, Arwizet Arwizet K, Arwizet Asnil Asnil Asnil Asnil Asnil Asnil Azhari, Nevil Baehaqi Bahrul Amin Bambang Sudarmanta Beni Giovani Berliansyah, Aqilvin Budi Syahri Bulkia Rahim Candra Surya Candra, Oriza Delima Yanti Sari Delsina Faiza Denda Afri Juliadi Desmarita Leni Devega, Army Trilidia Dimas Riadi Dirgantara, Septa Zela Donny Fernandez Dori Yuvenda Dwi Sudarno Putra Dwiprima Elvanny Myori, Dwiprima Elvanny Eko Indrawan Endri Rizki Anugrah Endrika Wahidri Enjang Suhaedin Erzeddin Alwi Evenda, Devi Fadhilah Fadhilah Fadhilla Azherda Fahmi Rizal Fahrendra, Aqsal Fajar Riyaddi fajar fajar, Fajar Riyaddi Faris Afif Fauza, Anna Niska Fauzun, Hudri Febri Prasetya Febri Silvia Firdaus Firdaus Firmansyah, Gusri Fivia Eliza Ganefri . Gusni Sushanti H H, Tiara Klaudia Habibie Habibie Halmadid, Muhammad Habib Hamizum, Bestra Hansi Effendi Hariyadi, Hariyadi Harmanto, Dani Hasan Maksum Hasanuddin WS Hendra Dani Saputra Hendri Nurdin Herasmus, Hilda Huda, Yasdinul Ilham Zikri Indah Rahmatika Sari Indah Indah, Indah Rahmatika Sari Iqrha, Muhammad Irma Husnaini Irma Yulia Basri Irzal Irzal Irzal, Irzal Jamaludin Jamaludin Jasman Jasman Juli Sardi Junil Adri Krismadinata Krismadinata Krismadinata Krismadinata Krismadinata Krismadinata, Krismadinata Kurnia Wahyu Prima Kurniawan, Alex Firstson kusuma, Yuda Perdana Larisang Lasyatta Syaifullah M. Afdal M. Natsir M. Yasep Setiawan M.Y. Setiawan Martias Martias Milana Milana Muhamad Fadel Pratama Muhammad Azim Muhammad Djoni Bustan Muhammad Elfin Muhammad Lathif Mahendra Muhammad Rizki Anshari Muhammad, Maghfiridhani Muji Setiyo Mulianti Mulya, Hasan Sayuti Muslim Muslim Nanang Qosim Nasruddin Nasruddin Nevil Azhari Niko Adima Brawira Nofri Helmi, Nofri Nurdin Hendri Nurmansyah, Ridho Nuzul Hidayat, Nuzul Oki Muraza Prayoga, Ongki Primandari, Sri Riski Putri Primawati Primawati Purwanto, Wawan purwantono purwantono Purwantono Purwantono Purwantono, Purwantono Putra, Ilma Putra, Meiyaldi Eka Putra, Randi Purnama Putra, Rido Putra, Rusnardi Rahmat Putri, Nengka Putri, Prima Yane Rahadian Zainul Rahman, Haolia Rahmat Afdhol Rahmiati Rama, Alzet Refdinal Refdinal Refdinal, Refdinal Refdinal, Refdinal Retno Wahyudi Rifdarmon Rifelino Rifelino Rizki Vananda Rizky Ema Wulansari Robby Mulya SABRINA, ELSA Sabtu, Sabtu Saputra, Firman Omni Silvia, Febri Simon, Ryan Ananda Sinukaban, Veronica Yulisna Sisrayanti Soretire Lanrewaju Kamorudeen Sri Haryati Sri Rizki Putri Primandari Sukardi, Sukardi Sundhy Pareza Suparno Suparno Suparno Suparno Supriadi Supriadi Supriadi Supriadi Syafrianto Syafrianto Syahril Syahril Tambunan, Gerry Lyman Tarig Elshaarani Tiara Klaudia H H Toto Sugiarto Totoh Andayono Unung Verawardina, Unung Wakhid, Wakhinuddin Wakhinuddin Wakhinuddin, Wakhinuddin Wanda Afnison Waskita Waskita Waskito Waskito Waskito, Waskito Wike Oriza Wildy, Fadhlan Wirdianto, Eri Wulansari, Rizky Ema Yandra, Muvi Yelfianhar, Ichwan Yolli Fernanda Yudi Star Novsky Yufrizal Yufrizal, Yufrizal Yus Donald Chaniago Zainal Abadi Zulbadri Zulbadri