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All Journal Perwira Journal of Science and Engineering (PJSE) Journal of Sciencce Technology and Visual Culture
Fajar Paundra
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Pengaruh Variasi Fraksi Volume Terhadap Kekuatan Tarik Komposit Berpenguat Gabungan Serat Pelepah Pisang dan Serat Daun Nanas Fajar Paundra; Zuhdi Zainul Muttaqin; Fajar Perdana Nurullah; Eko Pujiyulianto; Febri Budi Darsono
Journal of Science, Technology, and Visual Culture Vol 2 No 2 (2022): Juli 2022
Publisher : Jurusan Teknologi Produksi dan Industri, Institut Teknologi Sumatera

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Abstract

Composite fiber composite is the process of making composites using 2 or more kinds of fibers as reinforcement. The choice of fiber and the volume fraction between fibers greatly affect the strength of a composite. So, it is necessary to do further research on the effect of volume fraction variations of banana midrib fiber and pineapple leaf fiber on the strength of the composite. This study aims to identify the effect of volume fraction variations of the combined banana midrib and pineapple leaf fiber on the tensile strength and flexural composites. The composite manufacturing process is carried out by the compression molding method. With variations in volume fraction of banana midrib fiber and pineapple leaf fiber, respectively 10:20, 12.5:17.5, 15:15, 17.5:12.5 and 20:10. After the molding process, the density calculation, tensile test and bending test are carried out. The results of the characterization that have been carried out show that the highest tensile strength value is in the volume fraction variation of 20:10 of 26.55 MPa and the highest value of tensile strength is obtained at the volume fraction variation of 12.5:17.5 of 66.63 MPa.
MISS ALIGNMENT POMPA 42-P-301 A TANDHEM SEAL PADA AREA OIL MOVEMENT PT. XYZ Juan Prima Yudhistira; Muhammad Umbara; Meysha Namira; Raphael Rafferty; Ali Ikhsani; Giovanni Tua; Fajar Paundra
Perwira Journal of Science & Engineering Vol 5 No 1 (2025)
Publisher : Universitas Perwira Purbalingga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54199/pjse.v5i1.332

Abstract

Pompa merupakan mesin yang berfungsi untuk menaikkan tekanan fluida. Dengan naiknya tekanan fluida maka fluida dapat dipindahkan dari satu tempat ke tempat lain atau untuk menaikkan fluida dari level yang rendah ke level yang lebih tinggi. Penelitian ini bertujuan untuk menganalisis dan memperbaiki masalah pada pompa 42-P-301 A Tandem Seal di area Oil Movement yang mengalami ketidaksesuaian (missalignment). Metode analisis termasuk pengumpulan data, wawancara, dan pemantauan kondisi peralatan. Hasil penelitian menunjukkan bahwa Penurunan efisiensi pompa tersebut antara lain disebabkan karena adanya kerugian-kerugian pada faktor internal (bagian pompa itu sendiri) seperti terjadinya gesekan impeller dengan fluida.
Co-Authors Ali Ikhsani Eko Pujiyulianto Fajar Perdana Nurullah Febri Budi Darsono Giovanni Tua Juan Prima Yudhistira Meysha Namira Muhammad Umbara Raphael Rafferty Zuhdi Zainul Muttaqin