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All Journal Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif
Jauharotul Maknunah
Universitas Billfath
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Studi Pengaruh Jenis Minyak Nabati terhadap Campuran Bioresin Vinil ester-Minyak Nabati Eli Novita Sari; Ahmad Ilham Ramadhani; Jauharotul Maknunah
Prosiding SENASTITAN: Seminar Nasional Teknologi Industri Berkelanjutan Prosiding SENASTITAN Vol. 01 2021
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (551.973 KB)

Abstract

Minyak nabati merupakan alternatif untuk mengganti minyak mineral dan bahan kimia, karena minyak nabati bersifat biodegradable, tidak beracun, ramah lingkungan, dan dapat diperbarui. Penelitian ini akan mengembangkan bioresin yang merupakan campuran dari polimer vinil ester dengan polimer alam berupa minyak nabati. Hasil dari pengujian bioresin dengan variasi minyak nabati yang meliputi minyak sawit, minyak kelapa, minyak kedelai, dan minyak wijen didapatkan hasil bahwa bioresin vinil ester dengan pengisi minyak sawit (VE-MS) dan minyak wijen (VE-MW) memiliki properti teroptimum. Nilai kekerasan VE-MS 76 HD dan VE-MW 75 HD, nilai kekuatan tarik VE-MS 42 Mpa dan VE-MW 45 Mpa, nilai pertambahan panjang VE-MS 24% dan VE-MW 20%, nilai kekuatan tekuk VE-MS 73 Mpa dan VE-MW 89 Mpa, massa jenis VE-MS 1,004 g/cm3 dan VE-MW 1,003 g/cm3.
STUDI NUMERIK KARAKTERISTIK DISTRIBUSI ALIRAN DAN TEMPERATUR PADA PENDINGIN OLI PELUMAS DENGAN VARIASI MULTI-STEP BLOCKER Siti Duratun Nasiqiati Rosady; Eli Novita Sari; Jauharotul Maknunah
Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Vol. 1 No. 1 (2022): Jurnal Inovasi Teknologi Manufaktur, Energi, dan Otomotif
Publisher : Politeknik Negeri Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57203/jinggo.v1i1.2022.21-36

Abstract

Lube oil cooler serves to lower the temperature of the lub eoil in the gas turbine lubrication system. The problem that often occurs is the oil exit temperature is still high. This causes process failure in the lubrication system because the working temperature exceeds the allowable temperature. This failure is caused by non-uniformity flow distribution of the lube oil cooler. Therefore, further studies are needed to improve the uniformity of flow distribution. To increase the uniformity of flow, modification of the shape of the inlet header and variations of the lubricating oil capacity on the performance of the lubricating oil cooler were carried out. The research method used is numerical simulation with ANSYS FLUENT software. The simulation is carried out in 3 dimensions with a turbulence model in the form of k-ε RNG using a pressure based solution solver. Making geometry and design specifications using GAMBIT software. Geometric data is the dimensions of the lubricating oil cooling system and data from previous studies. The simulation is carried out in the form of a base line header with a modification of the inlet header, namely a multi-step blocker with variations of the Reynolds Number of 3088, 5146, and 7616. Based on the results of numerical simulations that have been carried out, the lowest Non-uniformity flow rate is at Re = 3088 sebesar, Ф = 0.01594, Exit Temperature 76.620 oC, and Pressure Drop 639.265 N/m2.
Co-Authors Ahmad Ilham Ramadhani Eli Novita Sari Siti Duratun Nasiqiati Rosady