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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta Journal of Mechanical Engineering Science and Technology Briliant: Jurnal Riset dan Konseptual Turbulen : Jurnal Teknik Mesin JOURNAL OF SCIENCE AND APPLIED ENGINEERING Jurnal Elemen Jurnal Energi dan Teknologi Manufaktur Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Pengabdian Masyarakat Indonesia Jurnal Pengabdian dan Pemberdayaan Nusantara (JPPNu) Bulletin of Community Engagement Logic : Jurnal Rancang Bangun Dan Teknologi Asian Journal Science and Engineering Jurnal Teknik Ilmu dan Aplikasi Journal of Mechanical Engineering Jurnal Polimesin Jurnal Pengabdian Kepada Masyarakat Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Evrimata: Journal of Mechanical Engineering Journal of Community Engagement
Eko Yudiyanto
Politeknik Negeri Malang
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Journal : JOURNAL OF SCIENCE AND APPLIED ENGINEERING

 1 
The Effect of Bioethanol and Pertamax Mixtures on Exhaust Gas Emissions from a 4-Stroke Engine in Motorcycle Matic Listiyono Listiyono; Muhammad Afif Bahrain; Eko Yudiyanto
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 5, No 2 (2022): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v5i2.4037

Abstract

Bioethanol is an alternative fuel to substitute fossil oil. Bioethanol has several advantages in its use as a fuel in addition to its renewable nature, and bioethanol is also believed to reduce some motor vehicle emissions. The purpose and objective of this study were to determine the effect of a mixture of Bioethanol and Pertamax on gas emissions in a 4-stroke motor with variations in the fuel mixture and engine cycle. This test method is carried out with the measurement parameters of CO, HC, CO2, and O2. Tests on motor vehicles were carried out with variations of BP0 (0% Bioethanol) to BP100 (100% Bioethanol). The test results using a gas analyzer and analyzed using excel show that bioethanol cannot reduce exhaust gas emissions. Adding bioethanol fuel to Pertamax can also increase the fuel's octane number (RON) and specific gravity. From the available data, adding bioethanol can reduce HC emission levels by up to 4ppm at BP50 at 6000 rpm, increasing CO2 emissions by 13.4% at BP50 at 7000 rpm with a compression ratio of 13:1. For the lowest O2 emission level, it reaches 0.13%. at BP40 at 5000 rpm. CO emission levels are still relatively small in various mixtures with a yield of 0.01%, but at BP0 and BP80 at 13:1 compression, emissions tend to increase every rpm.
Effect of Velocity and Type of Cooling Fluid on Peltier Heat Transfer for Car Cabin Cooling Applications Eko Yudiyanto; Ridho Surya Setiabudi; Agus Hardjito; Satworo Adiwidodo; Bayu Pranoto
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 5, No 2 (2022): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v5i2.4036

Abstract

This research used the Peltier element as a car cabin cooler. This research aimed to compare the results of the lowest temperature produced by the Peltier element on the hot side. The design of this monitoring tool consists of LM35 as a temperature sensor and an electric velocity sensor to measure the velocity of the cooling fluid. Arduino Uno Microcontroller to control the system before being displayed to the LCD. The type of research used in this research is experimental research. In this study, variations in fluid flow velocity and type of cooling fluid were carried out. The fluid used is a mixture of water and water coolant with a ratio of 50%:50%. The results showed that the circulation of fluid cooling influences the temperature on the hot side of the Peltier. In cooling using water fluid, when the water pump rotates 4.5 liters/second, the temperature on the hot side of the Peltier is 36ᵒC. At the time of rotation of 13 liters/second, the temperature on the hot side of the Peltier is 32ᵒC. The difference between cooling using water fluid, water coolant, or a mixture of water and water coolant greatly affects the temperature produced on the cold side of the Peltier. In cooling using water, the lowest temperature produced reaches 8ᵒC. When the cooling using a fluid coolant, the lowest temperature reaches 6ᵒC. While cooling using a mixture of water and coolant, the lowest temperature reaches 3ᵒC. So it can be concluded that cooling using a mixture of water and water coolant is very effective compared to other fluid coolers.
Co-Authors Adikusuma, Thomas Agus Hardjito Agus Setiawan Agus Setiawan Agus Sujatmiko Agus Winoko, Yuniarto Akhlis Rizza, Muhammad Alauddin, Falih Amrullah, Radhi Nurvian Amrullah, Utsman Syah Anis Roisatin, Umi Annisa Fatimah Asrori , Asrori Asrori Asrori Bagus Wahyudi BAYU PRANOTO Cahyono, Aldio Dita Candra Aditya Dani, Agus Deny Arisandi Duratun Nasiqiati Rosady, Siti Dwi Saputra, Luqman Eka Perkasa, Rilis Elka Faizal Etik Puspitasari, Etik Faizal, Elka Falih Alauddin Fatkhur Rohman Gumelar, Briyan Adit gumono Gunawan, Chandra Habibi, Krisna Hadi Susilo, Sugeng Harie S Jaya Haris Puspito Buwono Indra Kurniawan, Bakti Khambali Khambali Khambali, Khambali Kris Witono Kurniawan Kurniawan Lisa Agustriyana Listiyono Marta, Akbar Andika Mochammad Muzaki Mohammad Dzakiyul Fikri Mohammad Noor Hidayat Muhammad Afif Bahrain Muhammad Ammar Muhammad Arif Nur Huda Muhammad Fakhruddin Nila Alia Nugroho, Pipit Wahyu Nurhadi Pebrianti, Dwi Pondi Udianto Pranoto, Bayu Purwoko Purwoto, Eko R.N. Akhsanu Takwim, R.N. Akhsanu Rahmad, Cahya Raihan Insan Nararya Ridho Surya Setiabudi Rifa’i, Muhamad Rizki Priya Pratama, Rizki Priya SANTOSO SANTOSO Santoso Santoso Saputra, Luqman Dwi Sarjiyana Sarjiyana Satworo Adiwidodo Sharif, Safian Sugeng Hadi Susilo Sugeng Hadi Susilo Sugeng Susilo, Sugeng Suhaimi, Mohd Azlan Sulistyono Sulistyono Suriansyah Sabarudin Suryanto Suryanto Susilo, Sugeng Hadi Syamsul Hadi Syamsul Hadi Syamsul Ph.D M.A. Hadi Talifatim Machfuroh, Talifatim Walid, Achmad Weddakarti, Eva Wirawan , Wirawan Yulianto, Fian Arif Zuhria Kautzar, Galuh