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All Journal Gorontalo Journal of Infrastructure and Science Engineering Abdi Masya Biomedical and Mechanical Engineering Journal Surya Teknika: Jurnal Ilmiah Teknik Mesin Cahaya bagaskara
T Towijaya
Program Studi Teknik Mesin Universitas Muhammadiyah Pekajangan Pekalongan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Pengaruh Penggunaan Bioetanol Dari Bahan Baku Singkong Sebagai Campuran Pertalite Terhadap Performa Mesin Prasetyo, Imam; Towijaya, Towijaya; Zaky Khusniati, Isna; Hufron Faza, Aji
Surya Teknika : Jurnal Ilmiah Teknik Mesin Vol. 8 No. 2 Oktober 2024
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48144/suryateknika.v8i2.1986

Abstract

Bahan bakar fosil saat ini keberadaannya semakin langka, dan diperlukan langkah-langkah pencarian bahan bakar alternatif yang layak untuk menggantikan bahan bakar minyak, terutama bensin, yang kebutuhannya sangat banyak untuk kendaraan bermotor. Salah satu bahan bakar alternatif pengganti bensin adalah bioetanol. Tujuan penelitian ini adalah untuk mengetahui bagaimana performa mesin yang paling optimal dengan menggunakan bahan bakar campuran bioetanol dari bahan baku singkong. Pengujian ini menggunakan metode experimen dengan menguji pengaruh campuran pertalite-bioetanol terhadap performa mesin dan memakai alat uji dynotest. Dari hasil pengujian daya maksimal yang dicapai oleh mesin sebesar 7,47 HP dengan menggunakan bahan bakar BE 30% sedangkan pengujian pada torsi maksimal yang dicapai oleh mesin sebesar 6,20 Nm dengan menggunakan bahan bakar pertalite 100%. Dilihat secara grafik dengan variasi bahan bakar yang berbeda daya maksimum semakin meningkat seiring jumlah kadar bioetanol dalam campuran bahan bakar pertalite semakin banyak, namun pada torsi maksimum yang dihasilkan menggunakan bahan bakar BE 30%, BE 20% dan BE 10% lebih rendah dari pada torsi maksimum menggunakan bahan bakar pertalite 100% , secara nilai selisih perbedaannya tidak banyak hanya nol koma baik pada daya maksimum maupun torsi maksimum yang dihasilkan dari variasi bahan bakar yang berbeda.
PENGARUH CAMPURAN ETANOL PADA PREMIUM TERHADAP EMISI GAS BUANG PADA SEPEDA MOTOR HONDA MEGAPRO 160 CC TAHUN 2007 Miftahul F., Ahmad; Prasetyo, Imam; Towijaya, Towijaya
Surya Teknika : Jurnal Ilmiah Teknik Mesin Vol. 4 No. 2 Oktober 2020
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48144/suryateknika.v4i2.1306

Abstract

One of the efforts to reduce exhaust emissions in vehicles is by adding addictive substances to premium fuels, one of the addictive substances in fuel mixing is ethanol. Ethanol is a high-octane fuel and can be used to increase the octane rating in fuel, which comes from sugary plants (sucrose) such as sugar cane, palm juice, coconut juice, etc., starchy plants (flour) cassava, sweet potato, sago, corn, etc. , and cellulose (legnocellulose) plants of wood, straw, and banana stems. Because the content of ethanol has many benefits, including increasing engine performance, saving fuel use, cleaning the combustion chamber, and being able to reduce exhaust emissions, this is because in the ethanol content there is oxygen which helps combustion in the combustion chamber more completely. This study aims to reduce the value of CO and HC concentrations and increase CO . emission levels2 on motorized vehicles. This test is carried out by adding the percentage of ethanol mixture that is 15%, 30%, 45% in premium fuel with engine speed variations of 2000, 2500, 3000, 3500, and 4000 rpm. the average decrease is significant from 2000-4000 engine speed, but the largest decrease occurred at 2000 rpm for the E30% of 2.15%, namely from 4.28% to 2.13%. While the concentration of HC emissions from 2000-4000 rpm decreased, the most decreased occurred at 4000 rpm for E30%, which was 270 ppm to 149 ppm.Keywords : ethanol, exhaust emissions
PENGARUH PEMILIHAN KAMPAS REM PADA RODA DEPAN HONDA SONIC 150R Maulana, Aqiem; Prasetyo, Imam; Towijaya, Towijaya
Surya Teknika : Jurnal Ilmiah Teknik Mesin Vol. 5 No. 2 Oktober 2021
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48144/suryateknika.v5i2.1336

Abstract

Brakes are an important element in a vehicle that serves to reduce and stop the vehicle, allow the vehicle to park in an uneven place and a tool that ensures the safety and security of the driver. One of the important components of the brake system is the brake lining. People are often confused in choosing brake pads. The purpose of this study was to determine the effect of local product brake lining grades, genuine parts, and racing on the braking distance and time and which brake lining is better to use. This test was carried out by testing the front brake braking on a flat and straight road on a Honda Sonic 150r with a brake lever pressure of 3 kg at every speed of 30km/hour, 40km/hour, 50km/hour, and 60km/hour by testing 3 times on each canvas. brakes and speed. The test results show that racing grade brake linings are the best to use.Keywords: brake pads, distance, time.
PENGARUH MODIFIKASI LUBANG BUANG TERHADAP DAYA DAN TORSI PADA SEPEDA MOTOR 2 TAK Hadi Al-Rasyid, Muhammad; Anam, Khoirul; Towijaya, Towijaya
Surya Teknika : Jurnal Ilmiah Teknik Mesin Vol. 6 No. 1 April 2022
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48144/suryateknika.v6i1.1337

Abstract

Gasoline engine is one type of internal combustion engine that is widely used as a source of power for vehicles. Gasoline engines produce power from the combustion of fuel in the cylinders. In line with the development of science and technology, there are many improvements and developments of components to add power and torque. The purpose of this study was to determine the effect of modified exhaust cylinder block on power and torque on a 2 stroke Yamaha f1zr motorcycle with a modified exhaust hole height of 26 mm and a standard exhaust hole of 34 mm with a dynotest test to determine power and torque from 2500 RPM to RPM. 8000. The test results show that the maximum power at the modified exhaust hole is 12.5 HP at 7750 RPM while the standard exhaust port gets a maximum power of 11.5 HP at 7750 RPM. For the modified exhaust hole maximum torque is 11.36 Nm at 7750 RPM rotation while the standard exhaust hole obtains a maximum torque of 10.06 Nm at 7750 RPM rotation.Keywords: Power, torque, exhaust hole
PEMBANGKIT ENERGI PADA KNALPOT MOTOR 4 LANGKAH MENGGUNAKAN TERMOELEKTRIK GENERATOR Arrassyid, Syadan; Anam, Khoirul; Towijaya, Towijaya
Surya Teknika : Jurnal Ilmiah Teknik Mesin Vol. 6 No. 2 Oktober 2022
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48144/suryateknika.v6i2.1351

Abstract

Resources to produce energy is one of the increasing needs of society. So that there is an imbalance of load growth with the addition of power plants which will cause an energy deficit or an electrical energy crisis. There have been many studies on alternative energy power plants, one of which is the use of waste heat by using a thermoelectric generator. In this study, a thermoelectric power plant was tested by utilizing motorcycle exhaust heat for charging AAA batteries. When testing the output search, it was found that the highest current in a parallel circuit with 4 thermoelectrics is 104.4 mA and the highest voltage in a series circuit with 4 thermoelectrics is 0.83 V. Then, a AAA battery charging test is carried out using a 4 thermoelectric series circuit. From the results of the battery charging test, it was found that the battery voltage increased over the charging time period from the original 0.08 V to 1.05 V at the end of the charging time period. the current flowing in the circuit during the first 10 minutes is 48.2 mA, at the 20th minute it is 65.5 mA, at the 30th minute it reaches 91.2.Keywords: thermoelectric, energy generation, battery charging
Perancagan Desain Alat Pirolisis Tungku Tunggal-Destilasi Bertingkat dengan Metode Morfologi Towijaya, Towijaya; Putra, Aszamil; Baihaki, iqbal
Surya Teknika : Jurnal Ilmiah Teknik Mesin Vol. 6 No. 2 Oktober 2022
Publisher : Universitas Muhammadiyah Pekajangan Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penggunaan bahan bakar saat ini semakin meningkat, juga bertambahnya sampah plastik yang semakin banyak yang berasal dari sampah rumah tangga maupun industri. Perlunya pengolahan sampah plastik untuk mengurangi volume sampah sangat perlu dilakukan. Salah satu jenis sampah plastik yaitu jenis polyprophylene. Sampah plastik jenis polypropylene ini adalah jenis sampah yang dapat digunakan sebagai bahan dasar untuk menghasilkan bahan bakar alternative dalam jenis solar, bensin, dan kerosin. Dalam penelitian ini bertujuan merancangan alat pengubah sampah plastik menjadi bahan bakar dengan menggunakan metode pirolisis. Jenis metode penelitian ini adalah metode perancangan dan pengambangan dengan pendekatan studi literatur. Perancangan alat dibuat dengan memiliki satu tangki sebagai tempat pemanasan plastik, dan memiliki saluran pendingin untuk mengubah gas yang akan dihasilkan menjadi cair. Tangki reaktor berbahan besi untuk tahan pemanasan 300oC- 500oC. Dalam desain juga memiliki pengukur temperatur suhu maksimal 500oC dan pengukur tekanan maksimal 2,5 bar (0,25 mPa). Saluran digunakan untuk menyalurkan uap panas hasil pirolisis ke dalam filtrat dan dilakukan kondensasi. Hasil yang diharapkan dalam usulan ini adalah bahan bakar minyak.
Co-Authors Aminuyati Arrassyid, Syadan Baihaki, Iqbal Hadi Al-Rasyid, Muhammad Henry Pradana Hufron Faza, Aji Imam Prasetyo Isdaryanto Iskandar K Anam K Anam Khoirul Anam KHOIRUL ANAM KHOIRUL ANAM Luthfi Hakim m ubaidillah Maulana, Aqiem Miftahul F., Ahmad Mubin, Nurul Musyahar, Ghoni Nurcholis Satria Nurul Mubin Nurul Mubin Putra, Aszamil sukmo sudiono Syadan Arrassyid W D Lestari W D Lestari Zaky Khusniati, Isna