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Journal : Automotive Experiences

 1 
Effect of Hydroxy Gas Enrichment and Higher Biodiesel Concentration on Diesel Engine Performance Asnawi, Asnawi; Muhammad, Muhammad; Putra, Reza; Islami, Nurul
Automotive Experiences Vol 8 No 1 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.12903

Abstract

The hydroxy gas enrichment as an additive of biodiesel fuel for internal combustion engines affected the combustion characteristics. Hydroxy gas can be produced through water electrolysis to produce hydrogen and oxygen, significantly enhancing the combustion rate. This combined effect increased efficiency, reduced pollution, and improved air quality. This study aims to determine the impact of hydroxy enrichment generated from water electrolysis on engine performance with biodiesel-diesel fuel blends. The experimental work was conducted under diverse operating conditions and tested on a 418 cc single-cylinder engine. Experiments have been performed at a constant hydroxy gas flow rate of 500 mL/min and a constant speed of 2000 rpm under various torques. The result shows that B30 and B40 without hydroxy gas decreased diesel engine performance across various engine torque. The addition of hydroxy has been observed to positively impact the combustion reaction and increase the energy conversion efficiency of diesel engines. Compared to pure diesel fuel, the efficiency of B30 and B40 decreased by 9.26% and 11.59%, respectively. The enrichment of hydroxy gas increases the engine efficiency by an average increase of all torque to 7.95% for B30H (B30 with hydroxy) and 8.68% for B40H (B40 with hydroxy). Therefore, compared to pure diesel fuel, the efficiency slightly decreases by an average of 1.31% for B30H and 2.91% for B40H at all tested torques. This phenomenon indicates that the presence of hydroxy gas in a diesel engine increases the stability of the combustion process, which results in higher cylinder pressure with lower energy input.
Co-Authors A, Aljufri Abbas Abbas Abdul Rahman Abdul Rahman Aby, Muhammad Adi Setiawan Adi Setiawan Agam Muarif Ahmad Kamal Arifin Ahmad Nayan Alchalil Alchalil Ali Nur Muhammad Zaidin Balatif Andi Faisal Bakti & Venny Eka Meidasari Andika Syahputra Andrean, Rizki Apandi S, Arpan Arafah, Sadinda Arnawan Hasibuan ASNAWI Asnawi Asnawi Asnawi Asnawi, A Azi Maulana Ikbal Azis, Andy Baihaqi Baihaqi Basyar, Sayyidatun Nashuha Binawati Ginting Branco, Margareta Virnia Dailami, D Daniel Happy Putra Dedi Afandi Diki Dian Andika EKA SAFITRI Eka Safitri Fadhil Risky Ramadhana Faizar Abdurrahman Faizar Abdurrahman Faizar Abdurrahman Faizar Abdurrahman Fitri Zulfidar Fitria, Ananda Hafiz, Ridho Hafli, T Hasni, Dwi Meutia Hendra Syahputra Hidayat, Rizki Ihsanul Fikri Hutabarat Irmawati Irmawati Irwansyah Situmorang Julinawati Julinawati KHAIRI SUHUD Khairi Suhud Khairul Munadi Khairunnisa, Resa M Ihsan M Irsyad K M Muhammad M Munawar M Sayuti M. H. Rais Mendrofa, Intan Nuraini Muhammad Muhammad Muhammad Gazza Muhammad Ihsan Muhammad Ihsan Muhammad Ilham Muhammad Isra Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Nugraha P Muhammad Sadli, Muhammad Muhammad Sayuthi Muhammad, M Muhammad, Muhammad Mukhlisuddin Ilyas Murdani Murdani, Murdani Muzamir Isa Nasruddin Nasruddin Nur Azura Lubis P. A. Pane Pane, Pina Andriani Panggabean, Septina Hafy Safitri Putra, Reza Qulfaj, Asadda Razali Amna Reza Putra Rianda, Faizar Rifan, Mohamad Rizki Aulia Nanda Rizqon Hasibuan Rohana Ismail Rossiana Br Ginting Safrizal Safrizal Safrizal, S Sagir Alva Sayuti, M. Sayuti, Muhammad St Risnawati Basri Suryadi Suryadi Syaefudin, Mochamad Syafrizal Fonna Syamsiar, Syamsiar Syamsul Bahri T Hafli T Hafli Teguh Purnomo, Teguh Teuku Hafli Teuku Mudi Hafli Wahyu Fuadi Wahyuni, Rita Willy Ivan Lucky Yasir Amani Yusuf, Jafaruddin Zahrani, Amilia Zahrila Ismail Zulfahmi Zulfahmi Zulnazri, Z