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INDONESIA
Journal of Engineering Environtmental Energy and Science
Published by Universitas Bhayangkara Jakarta Raya
ISSN : -     EISSN : 28286170     DOI : https://doi.org/10.31599/joes.v1i2.978
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering
Engineering, Environmental Engineering, Energy, Oil Engineering, Industrial Engineering, Chemical Engineering, and Science
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 83 Documents
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Improvement of PVC Doll Production Line Efficiency through Integration of Time Study and Ranked Positional Weight Method in Line Balancing Sita Kurniaty; Ade Irpan Sabilah
Journal of Engineering Environtmental Energy and Science Vol. 5 No. 2 (2026): JUNI 2026
Publisher : LPPMP Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/v9c4dc75

Abstract

This study aims to improve the efficiency of the PVC doll production line at CV. Eye Wind by integrating Time Study and Line Balancing methods using the Ranked Positional Weight (RPW). The research began with data uniformity and adequacy tests, followed by determining standard time through Time Study. RPW was applied to balance the production line, while 5 Whys and 5W+1H methods were used to identify root causes and propose improvements. The results show that the stirring process is the main bottleneck with a standard time of 2,941.28 seconds. This study provides accurate work standards and practical recommendations expected to reduce bottlenecks and increase overall production efficiency
Analisis Pengendalian Kualitas Produk Seal Plat Break 700 Dengan Metode FMEA Di PT. YJ Alloysius Vendhi Prasmoro
Journal of Engineering Environtmental Energy and Science Vol. 5 No. 2 (2026): JUNI 2026
Publisher : LPPMP Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/n5626819

Abstract

PT. YJ is a company that operates in the field of industrial machine service and provides industrial equipment components. In the 6 months from July 2023 - December 2023, there was a significant decline in product quality until it was discovered that the 700 diameter break plate seal was the production with the highest number of defects. During the 6 months of production of the Ø 700 Break Plate Seal, the defect rate was quite high, especially in October, reaching 11%, which had exceeded the tolerance limits given by the company. The high level of defects is caused by 3 types of defects, namely black dot, bubble and short mold. Seeing the problems that occur, it is necessary to carry out an analysis to reduce the level of defects in the 700 diameter break plate seal product using the FMEA (Failure Mode Effect And Analysis) method. Based on the results of the analysis using the Failure Mode And Effect Analysis (FMEA) method, it is known that the dominant factor that is the cause of the high level of defects in the Break 700 plate seal product is caused by the failure mode due to unstable engine temperatures, and the method factor caused by the process failure mode. cutting is still manual so the recommendation for improvement that will be given is to replace several electrical heater elements that are no longer good and create a standard operating procedure (SOP) for the cutting process
Evaluation of Geothermal Reservoir Characteristics Based on Pressure, Temperature, Spinner (PTS) Analysis and Gross Permeability Test Citra Wahyuningrum Citra
Journal of Engineering Environtmental Energy and Science Vol. 5 No. 2 (2026): JUNI 2026
Publisher : LPPMP Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/k6agyf74

Abstract

Geothermal energy is an alternative energy source that is increasingly important in meeting global energy needs. Well Completion is carried out to obtain well characteristic data through a series of tests. This study analyzes well X in field Y qualitatively and quantitatively using the Pressure, Temperature, Spinner (PTS) and Pressure Fall Test methods. Based on the quicklook analysis of the PTS graph, a liquid level injection of 1200 GPM was identified at a depth of 628 m from the pressure data. The correlation of temperature and spinner data shows four feed zones, namely at depths of 1074–1095 m, 1170–1195 m, 1232–1234 m, and 2604–2611 m. The slope value of the spinner analysis results against the cable speed is 7.2. The average fluid flow rate in each feed zone is -1.27 m/s, -1.42 m/s, -1.35 m/s, and -2.27 m/s, respectively. The largest mass flow rate contribution comes from the first feed zone at 11.06 kg/s (42%), followed by the second feed zone at 8.08 kg/s (30%), the fourth feed zone at 5.78 kg/s (22%), and the third feed zone at 1.38 kg/s (6%). The estimated production capacity reaches 13.15 MWe. The average Injectivity Index value is 532.81 tons/hr/coal. The results of the Pressure Fall Test show a reservoir permeability of 763.43 mD and a skin factor of -24.69, indicating improvements in reservoir characteristics.

Page 9 of 9 | Total Record : 83

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