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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Rekayasa Mesin JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Civil Engineering Journal JMM (Jurnal Masyarakat Mandiri) Mekanika: Majalah Ilmiah Mekanika SMART SPORT SEMAR Abdi Masya Indo-MathEdu Intellectuals Journal Automotive Experiences PAKDEMAS : Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Mesin Mechanical Xplore Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat Jurnal PADAMU NEGERI (Pengabdian pada Masyarakat Bidang Eksakta)
Singgih Dwi Prasetyo
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Journal : Automotive Experiences

 1 
Aerodynamic Characteristics of Ahmed Body with Inverted Airfoil Eppler 423 and Gurney Flap on Fastback Car Zainal Arifin; Suyitno Suyitno; Dominicus Danardono Dwi Prija Tjahjana; Wibawa Endra Juwana; Rendy Adhi Rachmanto; Chico Hermanu Brillianto; Ubaidillah Ubaidillah; Singgih Dwi Prasetyo; Arinal Falah Muhammad; Mohd Afzanizam Mohd Rosli
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.7067

Abstract

The installation of aerodynamic devices, such as rear wings with the application of a Gurney flap, is very important to improve the performance of vehicles and can generate downforce and reduce slip when a car turns and brakes. The goal of this study was to determine the aerodynamic characteristics of the addition of a rear wing using an Eppler 423 airfoil, which was applied with a Gurney flap featuring variations in the angle of attack and the height of the Gurney flap. The rear wing was mounted on the Ahmed body with a rear slant angle of 15°, which is similar to the configuration on a fastback type car. This research was conducted by 3D modeling through computational fluid dynamics (CFD) simulation using ANSYS Student R18.2 by using ahmed body design. There are three variations in the angle of attack for the rear wing (0°, 7.5°, and 15°), as well as five variations in Gurney flap height of 0%, 0.5%, 1%, 1.5%, and 2% for the chord-line length. In this study, the best variation was found at an angle of attack of 15⁰ with a height of 2% C. From this configuration improved CL/CD ratio by 25.36% when compared to the results without a Gurney flap.
Co-Authors Aditya Rio Prabowo Albert Xaverius Alfian Fahrul Yuliansyah Anugrah Akbar Arinal Falah Muhammad Azizah, Safira Rusyda Bambang Kusharjanta Budi Kristiawan Chico Hermanu B. Apribowo Chico Hermanu Brillianto Chico Hermanu Brillianto Dharu Feby Smaradhana Didik Djoko Susilo Dody Ariawan Dominicus Danardono Dwi Prija Dominicus Danardono Dwi Prija Tjahjana Dominicus Danardono Dwi Prija Tjahjana Dominicus Danardono Dwi Prija Tjahjana Dominicus Danardono Dwi Prija Tjahjana Dominicus Danardono Dwi Prija Tjahjana Dwi Budi Santoso Endang Yuniastuti Harsito, Catur Heru Sukanto Ida Ayu Putu Sri Widnyani Imaduddin, Fitrian Johan Alfian Pradana Joko Triyono Kuncoro Diharjo Kusumawardana, Arya Lambang G H, Raymundus Lullus Mahadi, Abram Anggit Mauludin, Moch Subchan Misbahul Munir Moh. Khairudin Mohd Afzanizam Mohd Rosli Mohd Afzanizam Mohd Rosli Noval Fattah Alfaiz Nuha Khairunisa Nurul Muhayat Permatasari, Meirna Puspita Pipit Wulansari Prasojo, Yudin Joko purwadi joko widodo Rahmad Rizki Nur Arifin Rendy Adhi Rachmanto Rendy Adhi Rachmanto Rendy Adhi Rachmanto Rendy Adhi Rachmanto Rizkita, Marsya Aulia Roni Prasetyo, Roni Royb Fatkhur Rizal Rumi Iqbal Doewes, Rumi Iqbal Rustam Asnawi Satria Auliansyah Subandi Sukarman Sukarman Sukmaji Indro Cahyono, Sukmaji Indro Suyitno - Suyitno Suyitno Suyitno Suyitno Suyitno Suyitno Suyitno Suyitno Syaifuddin Syamsul Hadi Taufik Ulhakim, Muhamad Teguh Triyono Trismawati Trismawati Trisnoaji, Yuki Triyono Triyono Ubaidillah Ubaidillah Ubaidillah Ubaidillah Ubaidillah Ubaidillah Ubaidillah Wahyu Purwo Raharjo Watuhumalang Bhre Bangun Wibawa Endra Juwana Wibawa Endra Juwana Wibawa Endra Juwana Wibowo Wijang Wisnu Raharjo Wiraguna, Rayie Tariaranie Yoga Yuniadi Yudin Joko Prasojo Zainal Arifin Zainal Arifin Zainal Arifin Zainal Arifin Zainal Arifin Zainal Arifin