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All Journal Rekayasa Mesin TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Martin Choirul Fatah
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Mechanical Engineering

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Penerapan Metode Kendali Aliran Sebagai Upaya Pelestarian Sumber Daya Air Di Pondok Pesantren Nurul Haramain Ibnu Hajar; I Made Indradjaja Marcus Brunner; Dhami Johar Damiri; Martin Choirul Fatah; Yuliansyah Yuliansyah; Jumiati Jumiati
Terang Vol 5 No 2 (2023): TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/terang.v5i2.1760

Abstract

Environmental damage can be caused by an imbalance of the earth’ constituent elements, which one of the elements is scarcity of clean water in the earth. Dearth of clean water is predicted that will be experienced more than a half of word population of nine million of human being in 2050. The phenomenon of the scarcity of the clean water has been occurred especially in Indonesia that it is a country which has six percent of the potential of the clean water, but in fact it shows the need of the clean water of Indonesia population are still not enough. The dearth of the clean water needs to get serious attention from all stake holder, included people in the boarding school. An effort to decrease the scarcity of the clean water rate is by behaving frugally in using the clean water. To do that need to do socialization massively to the people and it require a long time. Therefore, beside the socialization massively, engineering to decrease the flow rate in using the clean water through the valves that is by applicating flow control method. This simple technology of flow control application, the community service team and Nurul Haramain boarding school located in Kampung Saitem, Ciburayut, Cigombong, Bogor, West Java are collaborated. A measurement result of flow rate before the flow restrictor is applicated in the valve is 7.76 liter/minute and after applicated decrease to 1.13 litter/minute. Percentage of decreasing is to reach 83 percent.
PERSAMAAN REGRESI LINIER BERGANDA UNTUK MEMPREDIKSI EFISIENSI BOILER Eko Sarwono; Martin Choirul Fatah; Brunner, I Made Indradjaja Marcus Brunner
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1179

Abstract

Boiler efficiency calculation is crucial to determine the reliability of boiler performance. Generally, boiler efficiency is calculated by the heat loss method, which considers losses in the combustion process. The calculation consumes more time due to detailed procedure and analysis. This research aims to develop a multiple linear regression equation in predicting boiler efficiency based on performance test data from PLTU X unit 1. The equation was then validated with a classical assumption test, i.e. normality, linearity, multicollinearity, heteroscedasticity, autocorrelation, and hypothesis test. In addition, the equation was used to calculate the boiler efficiency at PLTU ABC (unit 1 & 2) and PLTU XYZ (unit 1). The results show that there is approximately 0.49% boiler efficiency discrepancy among equation and heat loss method calculations.
PERSAMAAN REGRESI LINIER BERGANDA UNTUK MEMPREDIKSI EFISIENSI BOILER Eko Sarwono; Martin Choirul Fatah; Brunner, I Made Indradjaja Marcus Brunner
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1179

Abstract

Boiler efficiency calculation is crucial to determine the reliability of boiler performance. Generally, boiler efficiency is calculated by the heat loss method, which considers losses in the combustion process. The calculation consumes more time due to detailed procedure and analysis. This research aims to develop a multiple linear regression equation in predicting boiler efficiency based on performance test data from PLTU X unit 1. The equation was then validated with a classical assumption test, i.e. normality, linearity, multicollinearity, heteroscedasticity, autocorrelation, and hypothesis test. In addition, the equation was used to calculate the boiler efficiency at PLTU ABC (unit 1 & 2) and PLTU XYZ (unit 1). The results show that there is approximately 0.49% boiler efficiency discrepancy among equation and heat loss method calculations.
Co-Authors Brunner, I Made Indradjaja Marcus Brunner Dhami Johar Damiri Eko Sarwono I Made Indradjaja M Brunner Ibnu Hajar Jumiati Jumiati Yuliansyah Yuliansyah