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Effect of Variations in Velocity Air Intake Cyclone Dimensions on Motorcycle Torque and Power Ichsan Nasution; Wawan Purwanto; Budi Utomo Wisesa; Masykur Masykur
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 5 No 2 (2023): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v5i2.236

Abstract

The Velocity Air Intake System is an important component in a motor vehicle engine, particularly in a 155cc engine. Its function is to optimize the airflow process to the throttle body or carburetor. However, many users or people tend to overlook the significance of improving engine performance by varying the model or replacing the velocity air intake system itself. One common issue is the diameter and shape of the airflow model, which can affect the power, torque, and exhaust emissions produced. Installing a velocity air intake system is one approach to achieve an efficient air delivery process into the combustion chamber. In our research conducted using a dyno test on a 155cc four-stroke engine, the results showed that using a 46 mm size yielded the highest power of 11.03 Hp and produced a torque of 12.39 N.m. Using a 47 mm size resulted in 11.02 Hp and decreased the torque to 12.28 N.m. With a 48 mm size, there was a decrease in power to 11.00 Hp and an increase in torque to 12.72 N.m, while using a 45 mm size led to a decrease in power to 10.09 Hp and produced a torque of 11.31 N.m.
Pembuatan Perangkat Kontrol Kecepatan Udara di Terowongan Angin Berbasis Arduino Miswardi; M. Yasep Setiawan; Toto Sugiarto; Dwi Sudarno Putra; Masykur
JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia Vol. 1 No. 4 (2023): JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtpvi.v1i4.100

Abstract

Penelitian ini membahas tentang proses pembuatan alat kontrol kecepatan udara wind tunnel menggunakan arduino sebagai komponen utama unit pengontrol. Pengujian wind tunnel dilakukan dengan kecepatan udara yang bervariasi sesuai kebutuhan agar mendapatkan hasil yang optimal. Motor fan sebagai pembangkit aliran udara tidak dilengkapi dengan pengontrol kecepatan udara. Tujuan penelitian ini untuk membuat alat yang dapat mengontrol kecepatan udara wind tunnel sesuai dengan kebutuhan pengujian. Penelitian ini dilakukan dengan metode penelitian dan pengembangan. Output tegangan power supply diatur pada 11,19 Volt sumber untuk arduino. LCD display, motor servo, modul relay dan sensor anemometer disuplai dari mainboard arduino dan stepdown dengan tegangan 5,069 Volt. Alat secara keseluruhan dan semua komponen dapat bekerja dengan baik. Kecepatan udara yang ditunjukkan LCD display dapat dicapai sampai dengan 39 m/s.    This study discusses the process of making a wind tunnel airspeed control device using arduino as the main component of the controller unit. Wind tunnel testing is carried out at varying air speeds as needed in order to obtain optimal results. The fan motor as an air flow generator is not equipped with an air speed controller. The purpose of this research is to make a tool that can control wind tunnel airspeed according to the testing needs. This research was conducted using the research and development method. The output voltage of the power supply is set at 11.19 Volt source for the Arduino. LCD displays, servo motors, relay modules and anemometer sensors are supplied from the Arduino mainboard and stepdown with a voltage of 5,069 Volts. The tool as a whole and all components can work properly The airspeed indicated by LCD displays can be reached up to 39 m/s.