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All Journal Traksi : Majalah Ilmiah Teknik Mesin Jurnal Teknoin Rotasi Jurnal Hukum Progresif Jurnal Ilmu Lingkungan JURNAL TEKNIK MESIN Media Mesin: Majalah Teknik Mesin Jurnal Rekayasa Mesin JMPM (Jurnal Material dan Proses Manufaktur) Journal of Energy, Mechanical, Material and Manufacturing Engineering Mesin Jurnal Metalurgi dan Material Indonesia JURNAL CRANKSHAFT Jurnal Teknik Mesin Indonesia Jurnal Material Teknologi Proses: Warta Kemajuan Bidang Material Teknik Teknologi Proses Eksergi: Jurnal Teknik Energi SEMNASTERA (Seminar Nasional Teknologi dan Riset Terapan) Jurnal Profesi Insinyur Indonesia Jurnal Sosial Ekonomi Perikanan Journal of Engineering and Technological Sciences Advance Sustainable Science, Engineering and Technology (ASSET)
Agus Suprihanto
Mechanical Engineering Departement Diponegoro University Semarang - Indonesia
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CFD-Based Thermohydrodynamic Analysis of Vegetable Oil Lubricants in Journal Bearings Muchammad; Budi Setiyana; Agus Suprihanto; Achmad Widodo
Advance Sustainable Science Engineering and Technology Vol. 8 No. 3 (2026): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i3.3607

Abstract

This study investigates the thermohydrodynamic performance of journal bearings lubricated with palm trimethylolpropane (TMP) ester as a biolubricant, compared to conventional engine oil, using computational fluid dynamics (CFD) in ANSYS Fluent. The objective is to evaluate the influence of lubricant type on pressure distribution, load carrying capacity, friction force, and cavitation behavior. The results show that palm TMP ester generates higher hydrodynamic pressure while maintaining a similar pressure distribution pattern to engine oil. The load carrying capacity increases significantly by approximately 493% at 48 rad/s and 343% at 68 rad/s compared to engine oil. However, this improvement is accompanied by an increase in friction force of about 280% and 234% at the respective speeds due to higher viscosity. In addition, the vapor volume fraction ranges from 0.69 to 0.73, indicating cavitation, with palm TMP ester showing a slightly higher tendency. These findings demonstrate a trade-off between enhanced load support and increased friction, highlighting the potential of palm TMP ester as an environmentally friendly lubricant for hydrodynamic bearing applications.
Co-Authors . Widayat Achmad Widodo Adriathma, Abduh Bayu Ako, Henry Anak Agung Gede Sugianthara Andhika Krismaintya Putera Andika Pradifan Andrew Bryano Kermite, Andrew Bryano Basyith, Mohammad Rizqi Abdul Berlin, Rilo Budi Setiyana Budi Setyana Butarbutar, Martin Canggih Nugroho Catur Pramono Djoeli Satrijo Djoeli Satrijo Dwi Basuki Wibowo Eko Surojo Eko Surojo Faisal Yusuf Tornado Gunawan Dwi Haryadi H Hadiyanto Harianto Harianto Henri Fatih Wibowo Ian Yulianti IGN Wiratmaja Puja Indrawan, Harry Ismoyo Haryanto Jericho Jericho Kamta Kamta Khoiri Rozi Khoiri Rozi Miftachul Munir Muchammad Muchlas Rastra Samara Muksin Muhammad Fajar Purnama Muhammad Fakhri Aji Pratomo Musashi, Ota Nugraha, Ariyana Dwiputra Nur Aziyah Nur Cahyo Ojo Kurdi P Wahyudi Parven, Parven Paryanto, P Pratomo, Muhammad Fakhri Aji Purbonugroho, Hanindhieto Dias Andra R Rizal Isnanto Reza, Reza Rochim Suratman Setyawan Bekti Wibowo Sigit Iswahyudi Siti Aisyah Soesanto, Indra Harfani Sukamta Sukamta Sulardjaka Sulardjaka Sulardjaka, S Sumardi . Susilo Adi Widyanto Sutopo, Farrel Rico Alifta Suyitno Suyitno Teguh Triyono Tomy Satya Waruwu, Kezia Gracelynn Wijaya, Elang Pramudya Yatim, Ardiyansyah Saad Yurianto Yurianto Yusuf Umardani Yusuf Umardhani