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All Journal PROSIDING SEMINAR NASIONAL COPING (Community of Publishing in Nursing) Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik FLYWHEEL : Jurnal Teknik Mesin Untirta JURNAL INTEGRASI PROSES Teknika: Jurnal Sains dan Teknologi Journal Industrial Servicess Jurnal Mechanical WARTA Tajdida Jurisprudence Riset Akuntansi dan Keuangan Indonesia Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Kesmas Indonesia: Jurnal Ilmiah Kesehatan Masyarakat JRSI (Jurnal Rekayasa Sistem dan Industri) al-Afkar, Journal For Islamic Studies EKONOMIS : Journal of Economics and Business Jurnal Ilmiah Edunomika (JIE) BUSTANUL FUQAHA: Jurnal Bidang Hukum Islam Didaktik : Jurnal Ilmiah PGSD STKIP Subang Jurnal Abdimas Serawai Abdi Psikonomi Jurnal Pengabdian Center of Economic Students Journal (CSEJ) Solo Universal Journal of Islamic Education and Multiculturalism Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam Journal of Transcendental Law IECON: International Economics and Business Conference Journal of Ekonomics, Finance, and Management Studies J-CEKI NERS Jurnal Keperawatan
Imron Rosyadi
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Journal : Jurnal Mechanical

 1 
Perancangan Continuous Barge Unloader Kapasitas 800 Ton/Jam Bermuatan Batu Bara Dhimas Satria; Aswata Aswata; Emy Listijorini; Imron Rosyadi; Haryadi Haryadi; Rina Lusiani; Muhammad Furi Irsyadi
JURNAL MECHANICAL Vol 8, No 1 (2017)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v8.i1.201702

Abstract

Uji Performa Mesin Gokart 150 CC Dengan Variasi Beban dan Putaran Mesin Galang Muhamad Refli; Agung Sudrajad; Imron Rosyadi
JURNAL MECHANICAL Vol 12, No 1 (2021): Maret 2021
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v12.n1.202101

Abstract

AbstractGokart is a four-wheeled simple vehicle, which right now commonly being used as an early stage of racing cause it could train the reflexes of their driver, the decision making and other skills. Gokart usually powered by a two-stroke or four-stroke engine. In gokart racing, other than their driver, engine performance is such a big factor for the race result. The equipment for measure or achieve how much the performance above is called dynamometer, or commonly called “dynotest”. This research is focusing on knowing the engine performance (torque and power) on 150cc petrol-powered two-stroke engine with variation of main jet load of 155, 160 and 165 in 4000 Rpm to 13.000 Rpm. This research is conducted with chassis dynamometer test equipment to get the result of performance data measured by test equipment. From the result of the experiment on lower torque, the power output were so low and could reach maximum followed by engine’s rotation (Rpm), after reaching its peak rpm it will decreasing gradually on higher Rpms. From this research, the best torque is when using a 160 main jet with 16 Nm torque at 10.000 Rpm. Meanwhile, while using a 155 main jet, the torque were decreased by 6,25% and 6,87% while using a 165 main jet. Best power achieved when using a 160 main jet with power of 23,9 HP at 12.000 Rpm. Whereas with a 155 main jet, the power decreased by 4,6% and with a 165 main jet, the power decreased by 1,67%.Keywords: Chassis Dynamometer, Main Jet, Rpm, Torque and PowerAbstrakGokart adalah kendaraan roda empat yang sederhana, gokart biasanya menjadi prasyarat awal untuk kompetisi balap yang lebih besar karena dapat membantu menyiapkan reflek pembalap, mempercepat pengambilan keputusan dan keterampilan. Gokart biasanya digerakkan oleh mesin dua langkah atau empat langkah. Dalam balap gokart, selain pembalap, performa mesin juga sangat menentukan hasil dari balap gokart. Alat yang digunakan untuk mendapatkan atau mengukur besaran performa diatas biasa disebut dynamometer atau lebih dikenal dengan metode dynotest. Penelitian memfokuskan untuk mengetahui performa mesin (torsi dan daya) pada gokart bermesin bensin 2 langkah 150cc dengan variasi beban main jet 155, main jet 160 dan main jet 165 pada putaran mesin 4.000 RPM – 13.000 RPM. Penelitian dilakukan dengan menggunakan alat uji chassis dynamometer untuk mendapatkan data performa yang dapat terukur pada alat uji. Dari hasil eksperimen yang dilakukan pada putaran rendah torsi dan daya yang dihasilkan kecil dan terus akan mencapai maksimum mengikuti kenaikan putaran mesin, setelah mencapai maksimum akan menurun secara perlahan dan terus menurun pada putaran yang lebih tinggi. Hasil penelitian didapatkan torsi terbaik menggunakan main jet 160 dengan nilai torsi 16 Nm pada 10.000 RPM. Sedangkan torsi dengan main jet 155 turun 6,25% dan dengan main jet 165 turun 6,87%. Daya terbaik menggunakan main jet 160 dengan nilai daya 23,9 HP pada 12.000 RPM. Sedangkan dengan main jet 155 turun 4,6% dan dengan main jet 165 turun 1,67%.Kata kunci: Chassis dynamometer, main jet, RPM, torsi dan daya
Studi Konsumsi Bahan Bakar Mesin Gokart 150cc dengan Variasi Nilai Oktan Bahan Bakar Abel Fuadi; Agung Sudrajad; Imron Rosyadi
JURNAL MECHANICAL Vol 12, No 1 (2021): Maret 2021
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v12.n1.202103

Abstract

Petrol fuel is a very inexpendable resource of energy to move or operate a machine to work as it could be. There were so many kinds of fuel such as pertamax, pertamax turbo, and avgas, with each other has a different octane number. Fuel consumption is affected by so many factor, few between them arethe difference between their octane number. The purpose of this study is to found the consumption value of 150cc gokart engine with an octane number variant. This experiment test the specific fuel consumption and air fuel ratio of the engine mentioned above when using different fuel like pertamax, pertamax turbo, and avgas, as all of them tested using dynotest, which connected to computer to track their power value of each fuel used linearly with Rpm increase, idle Rpm, 3000, 5000, 7000 and 9000 Rpm. For specific fuel consumption count based on time needed to emptying each of the fuel tested. From the research, found that specific fuel consumption value was 680 gram/Kwh for pertamax fuel, 357 gram/Kwh for pertamax turbo fuel, and 675 gram/Kwh for avgas. In this research, the factor that affects the specific fuel consumption is the difference between octane number of each fuel type 
Analisa Emisi Gas Buang dan Bunyi Mesin Gokart 150 cc dengan Variasi Bahan Bakar dan RPM Reza Anugrah Yulian; Agung Sudrajad; Imron Rosyadi
JURNAL MECHANICAL Vol 12, No 1 (2021): Maret 2021
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v12.n1.202102

Abstract

Gokart were so popular on competition scene in Indonesia, using a two-stroke engine with an engine specification being regulated in race regulation. But for now, not only a two-stroke engine, many four-stroke engine gokart race held as it was safer for their driver and environment. It is necessary to do research on emissions and noise emmision so that they can be used as a reference in karting competitions and to maintain the safety of many people involved in the race. Emmision gas test conducted using gas analyzer, while for the noise emmision test using sound level meter. Data taken when the gokart engine in standby, neutral gear. Fuel kinds are the variants of this research, as different fuel means different octane number, such as Pertamax (92), Pertamax Plus (98) and Avgas (102), with data being taken at idle rpm, 3000, 5000, 7000 and 9000 for each different fuel. Data desired were CO, HC, O2, CO2, NOX gas concentration, while for the noise were the decibel value produced by engine. Best result achieved when using Pertamax Plus (98) for emmision gas, which is having emmision gas concentration of CO, HC, O2, CO2, NOX, with a value of 2.25%, 6012.4ppm, 1.98%, 14.33%, and 30.8ppm respectively. Worst result achieved when using Avgas (102), which is having emmision gas concentration of CO, HC, O2, CO2, NOX, with a value of 1.636%, 8849ppm, 0.42%, 17.63%, dan 19ppm respectively. While the noise emmision value based by engine rotation speed, which the speed affects the noise emmision as 1-5 db increasing for each 2000 Rpm increase. While looking for an octane number as a reference, the noise emmision value increase from 1 until 2 for each increase of the fuel octane number.Keywords: Emmision gas, noise emmision, two-stroke engine, gas analyzer, sound level meter.
Co-Authors - Suyatmin Abdualhmeed Alqahoom Abdul Fatah Bintoro Abdul Rohim Luqman Hakim Marwa Ash Sidiq Abdul Wakhid Abel Fuadi Ade Irman Adi Susanto Agung Sudrajad Akbar Nasution Anisa Juliastuty Cahyaningrum Aswata Aswata Budi Badrul Zaman Bukhori Cecep Cecep Dally Rahman Daryono Soebagiyo Defriman Djafri Dhimas Satria Dhimas Satria Eka Putri Emy Listijorini Endang Suhendi ENI SETYOWATI Fatchan Achyani Galang Muhamad Refli Hania Sumarni Hanifah Kusumastuti Haryadi Haryadi Haryadi Haryadi Heni Indriani Hevi Novriani Irham Maulana ISHAK " Isman Junaidi Junaidi Kevin Ardiansa Khaerudin Khamsin Linda Astuti Lukman Al Azhar M Haikal Fasya M. Khaeruddin Hamsin Mahmada Azmi Maulida Marfii Prasitia Marwiyah Moch Maulana Rizky Wicaksono Muhamad Arifin Muhammad Ali Akbarsyah Muhammad Ali Mahmud MUHAMMAD ARIFIN Muhammad Furi Irsyadi Muthoifin Noening Andrijati Noer Sasongko Novreza Pratama Nur Achmad Nur Hidayah Nur Rizqi Febriandika Nurul Hidayati Oddy Virgantara Putra Oktridarti, Levy Putri Ayu Nuraini Dewi Qonitah Amatullah Zain Reza Anugrah Yulian Ridlwan Kamaluddin Ridwan Febriyanto Rina Lusiani Rina Susanti Ririn Irnawati Rizka Rizka Sakinah Haryati Salsabilla Shauma Seftya Dwi Sinta Shinta Dewi Kasih Bratha Shoffia Anis Shantika Shoffin Nahwa Utama Sirajuddin - Siti Nur Rohmah Sri Haryani SRI WARDANI Syailendra Sabdo Djati PS Syamsul Bachri Syamsul Hidayat Syarif Abdullah Tb. Ahmad Nasorudin Triyono Triyono Wahyu Lestari Wildan Firdaus Yayuli Yori Manis Tika Yuni Indah Supriyanti, Yuni Indah Yusvardi Yusuf