Vol. 57 No. 1 (2025): Vol. 57 No. 1 (2025): February

DOI: https://doi.org/10.5614/10.5614/j.eng.technol.sci.2025.57.1
Published: 2025-01-07

Articles

  • Satellite-Observed Monthly Variability of Sea Surface Chlorophyll-a Concentration: A Case Study in East Malaysia

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.1
    Ricky Anak Kemarau (1), Oliver Valentine Eboy (2), Zaini Sakawi (3), Stanley Anak Suab (4), Noorashikin Md Noor (5)
    (1) Earth Observation Centre, Institute of Climate Change, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia ,
    (2) Geography Program, Faculty Social Sciences and Humanities, University Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia ,
    (3) Earth Observation Centre, Institute of Climate Change, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia ,
    (4) Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia ,
    (5) Earth Observation Centre, Institute of Climate Change, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
    Abstract : 921
    PDF : 404
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.1

  • Perfluorooctanesulfonic acid Sorption onto Polyethylene Microplastics: A Simulation-Driven Response Surface Optimization via Central Composite Design

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.2
    Christian Enyoh (1), Qingyue Wang (2), Prosper Eguono Ovuoraye (3), Senlin Lu (4), Titus Egbosiuba (5)
    (1) Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama City, Saitama 338-8570, Japan ,
    (2) Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama City, Saitama 338-8570, Japan ,
    (3) Department of Chemical Engineering, Federal University of Petroleum Resources, PMB 1221 Effurun, Nigeria ,
    (4) School of environmental and chemical engineering, Shanghai University, Shanghai 200444, China ,
    (5) Sustainable Materials Laboratory (SusMatLab), Missouri University of Science and Technology, Rolla, MO 65409,, United States
    11-26
    Abstract : 772
    PDF : 328
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.2

  • Experimental Investigation and Prediction of Combustion Parameters using Machine Learning in Ethanol - Gasoline Blended Engines

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.3
    Shailesh Sonawane (1), Ravi Sekhar (2), Arundhati Warke (3), Sukrut Thipse (4), Sandeep Rairikar (5), Chetan Varma (6)
    (1) Symbiosis Institute of Technology (SIT) Pune Campus, Symbiosis International (Deemed University) (SIU), Pune, 412115, Maharashtra, India, India ,
    (2) Symbiosis Institute of Technology (SIT), Pune Campus, Symbiosis International (Deemed University) (SIU), Pune, 412115, Maharashtra, India ,
    (3) Symbiosis Institute of Technology (SIT), Pune Campus, Symbiosis International (Deemed University) (SIU), Pune, 412115, Maharashtra, India ,
    (4) Automotive Research Association of India (ARAI), Pune, Maharashtra, India ,
    (5) Automotive Research Association of India (ARAI), Pune, Maharashtra, India ,
    (6) Automotive Research Association of India (ARAI), Pune, Maharashtra, India
    27-47
    Abstract : 567
    PDF : 302
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.3

  • Mechanical Behavior of Concrete Reinforced with Natural Palm and Mango Fibers

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.4
    Alejandro Flores Nicolás (1), Mario Flores Nicolás (2), Elsa Carmina Menchaca Campos (3), Jorge Uruchurtu Chavarín (4)
    (1) Centro de Investigación en Ingeniería y Ciencias Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad, 62209, Cuernavaca, Mexico ,
    (2) Instituto de Ingenieria, Universidad Nacional Autónoma de México, Circuito Escolar, 04510, CDMX, Mexico ,
    (3) Centro de Investigación en Ingeniería y Ciencias Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad, 62209, Cuernavaca, Mexico ,
    (4) Centro de Investigación en Ingeniería y Ciencias Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad, 62209, Cuernavaca, Mexico
    48-65
    Abstract : 710
    PDF : 348
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.4

  • Investigation of Reaction Dynamics of Methane Reforming on Nickel Clusters Using Molecular Dynamics Simulations

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.5
    Rizal Arifin (1), Fikrun Najib Muzakki (2), Yoyok Winardi (3), Ida Widaningrum (4), Zulkarnain Zulkarnain (5), Abdurrouf Abdurrouf (6), Norhasnidawani Johari (7), Vannajan Sanghiran Lee (8), Darminto Darminto (9)
    (1) Faculty of Engineering, Universitas Muhammadiyah Ponorogo, Jalan Budi Utomo No. 10, Ponorogo 63471, Indonesia ,
    (2) Faculty of Engineering, Universitas Muhammadiyah Ponorogo, Jalan Budi Utomo No. 10, Ponorogo 63471, Indonesia ,
    (3) Faculty of Engineering, Universitas Muhammadiyah Ponorogo, Jalan Budi Utomo No. 10, Ponorogo 63471, Indonesia ,
    (4) Faculty of Engineering, Universitas Muhammadiyah Ponorogo, Jalan Budi Utomo No. 10, Ponorogo 63471, Indonesia ,
    (5) Department of Physics Education, Universitas Muhammadiyah Mataram, Jalan KH Ahmad Dahlan No. 1, Mataram 83127, Indonesia ,
    (6) Department of Physics, Brawijaya University, Jalan Veteran, Malang 65145, Indonesia ,
    (7) Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia ,
    (8) Centre of Excellence in Quantum Information Science and Technology (QIST), Department of Chemistry, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia ,
    (9) Department of Physics, Institut Teknologi Sepuluh Nopember, Kampus ITS Sukolilo, Surabaya 60111, Indonesia
    66-77
    Abstract : 606
    PDF : 189
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.5

  • Innovative Approach to Graphene Film Synthesis: Factorial Design in PECVD Experiments

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.6
    Siwasit Pitjamit (1), Norrapon Vichiansan (2), Komgrit Leksakul (3)
    (1) Department of Industrial Engineering, Faculty of Engineering, Rajamangala University of Technology Lanna, Tak 63000, Thailand ,
    (2) Multidisciplinary Center, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand ,
    (3) Department of Industrial Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
    78-92
    Abstract : 428
    PDF : 158
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.6

  • The Effect of Chain Tacticity on the Thermal Conductivity of Isotactic and Syndiotactic Polystyrene

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.7
    Dalmn Y. Taha (1), Israa Z. Ahmed (2), Tawfeeq Mohammed (3)
    (1) Dept. of Materials, College of Engineering, Mustansiriyah University, Palestine St., Baghdad 10045, Iraq ,
    (2) Dept. of Mechanics, College of Engineering, Mustansiriyah University, Palestine St., Baghdad10045, Iraq ,
    (3) Dept. of Materials, College of Engineering, Mustansiriyah University, Palestine St., Baghdad 10045, Iraq
    93-104
    Abstract : 518
    PDF : 257
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.7

  • Performance Analysis of Radiation Detection Devices in Elevated Natural Radiation Zones: A Case Study of Mamuju Regency, West Sulawesi Indonesia

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.8
    Adi Rahmansyah Amir Abdullah (1), Sidik Permana (2), Wahyu Srigutomo (3), Alan Maulana (4), Haryo Seno (5), Dikdik Sidik Purnama (6), Rasito Tursinah (7), Ismail Humolungo (8), Zulfahmi Zulfahmi (9)
    (1) Doctoral Program in Nuclear Engineering Department, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132, Indonesia ,
    (2) Physics Department, Bandung Institute of Technology, Jalan Ganesha No. 10, Bandung 40132, Indonesia ,
    (3) Physics Department, Bandung Institute of Technology, Jalan Ganesha No. 10, Bandung 40132, Indonesia ,
    (4) Indonesia’s National Research and Inovation Agency, Jalan Tamansari No. 71, Bandung 40132, Indonesia ,
    (5) Indonesia’s National Research and Inovation Agency, Jalan Tamansari No. 71, Bandung 40132, Indonesia ,
    (6) Indonesia’s National Research and Inovation Agency, Jalan Tamansari No. 71, Bandung 40132, Indonesia ,
    (7) Indonesia’s National Research and Inovation Agency, Jalan Tamansari No. 71, Bandung 40132, Indonesia ,
    (8) Doctoral Program in Nuclear Engineering Department, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132, Indonesia ,
    (9) Doctoral Program in Nuclear Engineering Department, Institut Teknologi Bandung, Jalan Ganesha No. 10, Bandung 40132, Indonesia
    105-117
    Abstract : 553
    PDF : 206
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.8

  • Quantitative Analysis of Gravity Currents Using the Light Attenuation Technique

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.9
    Ezra Yoanes Setiasabda Tjung (1), Gustaaf Adriaan Kikkert (2)
    (1) Calvin Institute of Technology, Menara Calvin Lt. 8, RMCI, Jl. Industri Blok B14 Kav. 1 Kemayoran, Jakarta Pusat 10610, Indonesia ,
    (2) Bloxam, Burnett & Olliver (BBO), Level 5, Building E, Union Square, 192 Anglesea St, Hamilton, Waikato, 3204, New Zealand
    118-128
    Abstract : 246
    PDF : 92
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.9

  • Geometrically Complex, Relatively Weak, and Subcritically Stressed Lembang Fault May Lead to a Magnitude 7.0 Earthquake

    DOI : 10.5614/j.eng.technol.sci.2025.57.1.10
    Kadek Hendrawan Palgunadi (1), Andrean Vesalius Hasiholan Simanjuntak (2), Rexha Verdhora Ry (3), Mudrik Rahmawan Daryono (4), Sri Widiyantoro (5), Dwa Desa Warnana (6), Agnis Triahandini (7), Firman Syaifuddin (8), Adhatus Solichah Ahmadiyah (9), Anne Meylani Magdalena Sirait (10), Wiwit Suryanto (11)
    (1) Geophysical Engineering Department, Faculty of Civil, Planning and Geo Engineering, Institut Teknologi Sepuluh Nopember, Jalan Raya ITS, Sukolilo, Surabaya 60111, Jawa Timur, Indonesia ,
    (2) Indonesian Agency for Meteorology Climatology and Geophysics (BMKG), Jalan Angkasa I No. 2 Kemayoran, Jakarta Pusat 10610, Jakarta, Indonesia ,
    (3) Global Geophysics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Jalan Ganesa No. 10 Bandung 40132, Jawa Barat, Indonesia ,
    (4) Earthquake Research Group, Geological Disaster Research Center, National Research and Innovation Agency (BRIN), Jalan Sangkuriang, Dago, Bandung 40135, Jawa Barat, Indonesia ,
    (5) Faculty of Engineering, Maranatha Christian University, Jalan Surya Sumantri No. 65, Sukawarma, Bandung 40164, Jawa Barat, Indonesia ,
    (6) Geophysical Engineering Department, Faculty of Civil, Planning and Geo Engineering, Institut Teknologi Sepuluh Nopember, Jalan Raya ITS, Sukolilo, Surabaya 60111, Jawa Timur, Indonesia ,
    (7) Geophysical Engineering Department, Faculty of Civil, Planning and Geo Engineering, Institut Teknologi Sepuluh Nopember, Jalan Raya ITS, Sukolilo, Surabaya 60111, Jawa Timur, Indonesia ,
    (8) Geophysical Engineering Department, Faculty of Civil, Planning and Geo Engineering, Institut Teknologi Sepuluh Nopember, Jalan Raya ITS, Sukolilo, Surabaya 60111, Jawa Timur, Indonesia ,
    (9) Department of Informatics, Faculty of Intelligent Electrical and Informatics Technology, Institut Teknologi Sepuluh Nopember, Jalan Raya ITS, Sukolilo, Surabaya 60111, Jawa Timur, Indonesia ,
    (10) Prodi Geofisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Indonesia, Jalan Lingkar, Depok 16424, Jawa Barat , Indonesia ,
    (11) Department of Physics, Universitas Gadjah Mada, Sekip Utara, Bulaksumur, Yogyakarta 55281, Indonesia
    129-144
    Abstract : 724
    PDF : 350
    DOI: https://doi.org/10.5614/j.eng.technol.sci.2025.57.1.10