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All Journal SAINTI: Majalah Ilmiah Teknologi Industri
Puji Rahayu
Politeknik Industri Petrokimia Banten
Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering

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ANALISA HEAD LOSS DAN KERJA POMPA DENGAN VARIASI PERUBAHAN DIAMETER PADA SISTEM PEMIPAAN Agung Kurnia Yahya; Puji Rahayu; Hasnah Ulia; Achmad Yanuar Maulana
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 19, No 2 (2022): VOL 19 NO 2 DESEMBER 2022
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.699 KB)

Abstract

Fluids often experience a loss of energy (head loss) in the pipe due to flow turbulence, which results in friction on the inner surface of the pipe. Head loss is very detrimental in piping systems because it can reduce the level of fluid flow efficiency. Head loss is affected by variations in bends (elbows), joints, valves, and pipe diameters. The purpose of this study is to determine the head loss that occurs in each line of the fluid flow piping system, which consists of variations in the cross-sectional area of the pipe and the number of connections, valves, and bends. In addition, it is also used to evaluate pump work in series and complex circuits. The smaller the diameter, the more the fluid velocity increases, causing the friction in the pipe to increase and the head loss to increase. The pump work required to flow the fluid is directly proportional to the amount of head loss that occurs in the piping system.
EVALUASI KINERJA PLATE HEAT EXCHANGER DI REFINERY PLANT INDUSTRI MINYAK GORENG Agung Kurnia Yahya; Rivaldo Romigo; Puji Rahayu; Apsari Puspita Aini; Hasnah Ulia
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 20, No 1 (2023): VOL 20 NO 1 JUNI 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/sainti.v20i1.203

Abstract

Plate Heat Exchanger (PHE) is an element that has an important role in energy efficiency in PT. XYZ. At PT. XYZ there is a problem with the PHE device, where the flow rate of the hot fluid in the device tends to decrease over time, this can cause the heat transfer between the hot fluid and the cold fluid to be sub-optimal resulting in a decrease in the performance of the device. The performance of PHE equipment can be seen from its effectiveness, if PHE performance decreases it can cause an increase in energy consumption so that the cost incurred also increases. This study aims to calculate the effectiveness of PHE type 605A used as a heat exchanger between crude palm oil and bleached palm oil refined at PT. XYZ and current effectiveness is around 81.77% - 86.13%. However, the efficacy of PHE decreases over time and is expected to decrease to 75% on day 11. Recommendations that can be given in this study are routine maintenance and cleaning, real-time monitoring of the performance of the plate heat exchanger, and a review of the workload of the plate heat exchanger system.
Co-Authors Achmad Yanuar Maulana Apsari Puspita Aini Hasnah Ulia Rivaldo Romigo Yahya, Agung Kurnia