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Andre Budhi Hendrawan
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Humanities Automotive Engineering Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences Transportation

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Journal : Infotekmesin

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Efek Pencampuran Butanol dan Diethyl Ether (DEE) Pada Pertalite Terhadap Torsi, Daya dan Brake Spesific Fuel Consumpsion Mesin Bensin 160cc Firman Lukman Sanjaya; M. Khumaidi Usman; Faqih Fatkhurrozak; Syarifudin Syarifudin; Andre Budhi Hendrawan
Infotekmesin Vol 14 No 2 (2023): Infotekmesin: Juli, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i2.1906

Abstract

The increase in the volume of vehicles resulted in a crisis of fossil fuels so there is a need for alternative fuels to replace gasoline. Butanol and Diethyl Ether (DEE) are alternative fuels that can be added to gasoline. This is because the Octane Number and high O2 levels optimize combustion in the cylinder and increase torque and power and save fuel. This study compares the addition of butanol and DEE to gasoline on torque, power, and Brake Specific Fuel Consumption (BSFC). The study used a 160cc gasoline engine with a carburetor with engine speeds of 1000, 2000, and 3000 rpm. Variation of fuel mixture 5%, 10%, and 15% on gasoline. The results showed that the DEE15 mixture increased the highest torque by 28% at 3000 rpm compared to other fuel mixtures. Engine power also increases the highest by 28% when using a mixture of DEE15 compared to other fuels. Meanwhile, BSFC experienced the highest decrease of 19% when using the DEE15 mixture compared to other mixtures.
Rancang Bangun Shuttlecock Balancing Tester dengan menggunakan Cooling Fan 120 mm Nur Aidi Ariyanto; Andre Budhi Hendrawan
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2229

Abstract

Badminton is a popular sport in the world, especially in countries such as Indonesia, Malaysia, China and many European countries. One of the important elements in badminton is the shuttlecock, which is used as a game ball. The shape density of feather shuttlecocks or synthetic shuttlecocks also affects the movement of the shuttlecock and produces different drag force values. Several methods can be used to test the balance of a shuttlecock, such as a method of throwing it vertically, the method of hitting it manually or using a throwing machine. Both methods show the movement of the shuttlecock directly so that it can be seen whether its movement is balanced or unbalanced, but this method requires a fairly large area. A simpler method is to use a shuttlecock balancing tester (SBT), but the current equipment is noisy and has quite large dimensions so it is not practical. This research aims to develop an existing SBT with less noise, smaller sizes, and more practicality by using a 120 mm cooling fan. The study was carried out to determine the required air flow speed and the correct size of the honeycomb hole. The results of the research show that the airflow speed required in the SBT so that the shuttlecock lifts per floats and rotates stably is 5.0 m/s using a honeycomb hole with a diameter of 6 mm and 4.6 m/s using a honeycomb hole with a diameter of 8 mm . Using 8 mm honeycomb produces air flow with a greater lifting force than using 6 mm honeycomb.
Co-Authors Ahmad Syahid Fathurrohman Faqih Fatkhurrozak Firman Lukman Sanjaya Fitri Ayu Lestari M. Khumaidi Usman M. Taufik Qurohman M. Taufik Qurohman Nur Aidi Ariyanto Nur Aidi Ariyanto Nur Aidi Ariyanto Riky Ardiyanto Sigit Setijo Budi Syarifudin Syarifudin Syarifudin Syarifudin