cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Prihatin Oktivasari
Contact Email
jalaludin.rasyid@pnj.ac.id
Phone
+62818864451
Journal Mail Official
p3m@pnj.ac.id
Editorial Address
Jl. Prof. DR. G.A. Siwabessy, Kukusan, Kecamatan Beji, Kota Depok, Jawa Barat 16424
Location
Kota depok,
Jawa barat
INDONESIA
JURNAL POLI-TEKNOLOGI
Published by Politeknik Negeri Jakarta
ISSN : 14122782     EISSN : 24079103     DOI : https://doi.org/10.32722/pt.v20i1
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
Poli-Teknologi Journal is a journal, which began publication in 2002, published by the Research and community service Unit of Politeknik Negeri Jakarta. It starts from Volume 1 Number 1 in January 2022 for printed version; ISSN (print) 1412-2782 and ISSN (online) 2407-9103. Poli-Teknologi Journal is a series of scientific publications in applied science and technology area from the perspective of a multi and interdisciplinary studies and it is published 3 times in year.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol. 20 No. 3 (2021)" : 8 Documents clear
PENINGKATAN EFISIENSI PADA SISTEM PLTMH DENGAN CARA TURBIN HIBRID CROSSFLOW DAN PROPELLER HEAD 5 M Paulus Sukusno
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.3412

Abstract

This study aims to increase the efficiency of the MHP (Micro Hydro Power Plant) system head 5 meter by means of the hybrid turbine (crossflow turbine and propeller turbine). Propeller turbines placed in the upper basin and crossflow turbines placed in water pipes exit (bottom). This research activity was carried out into three parts; The first is the MHP system with a propeller turbine. Both MHP system with crossflow turbines. The three MPH system hybrid turbine. The research results of the MHP system with a hybrid turbine can produce a maximum efficiency of 24.70%. The MHP system with propeller turbine can produce a maximum efficiency of 20.48%. The MHP system with a crossflow turbine can produce a maximum efficiency of 9.07%. So this research can prove that the efficiency of the MHP system with a hybrid turbine is better than using only a single turbine, but it is not always able to produce better electrical power.Keywords: Propeller, crossflow, hybrid, efficiency, electric power.
TROUBLESHOOTING TEMPERATURE GAUGE ON CONTROL PANEL OF ENGINE 3066 AT ALAT BERAT WORKSHOP OF POLITEKNIK NEGERI JAKARTA Abdul Azis Abdillah; Erifmi Zahada; Lentang B. Sibarani; Imam Wahyudi; Azwardi Azwardi; Fuad Zainuri; Haidir Juna; Memed Sumatono
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.3683

Abstract

Troubleshooting on the temperature gauge on the engine control panel 3066 with the serial number is 7JKa method used to find the cause of the problem with the temperature gauge. The temperature gaugecontained in the 3066 control panel engine does not work while running. Therefore, this research aims todetermine the cause of the temperature gauge on the 3066 control panel engine not functioning. The formof this research is to take data on the method of problem solving and repair of temperature gauges that areexperiencing problems by buying new components that do not use transformer step-ups. Instrumentationdata in literature research, data, visual inspection and making changes to temperature gauges. The resultsof conducting literature studies, studying data, visual inspection, and replacing the temperature gauge witha new one on the 3066 control panel engine, get the root of the problem of damage to the coil of the stepup transformer because the input voltage is too large. Keywords : Troubleshooting, Control Panel, Heavy Equipment, Temperature Gauge
KAJIAN PENGARUH JENIS MATERIAL TERHADAP KUALITAS UKURAN PADA PROSES PENEKUKAN PELAT DENGAN METODA ANOVA Rosidi Rachman; Almahdi Almahdi; Darius Yuhas
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.3826

Abstract

Abstract In previous research, it has been proven that the measurement technique, setting and use of quality measuring instruments can increase the quality of measurements during the bending process of steel plates (ST.37). However, this research has not examined the types of materials other than steel, even though other materials apart from ST.37, for example aluminum plates, brass plates and steel plates are widely used, especially in the manufacturing industry.. Therefore, the aim of this research is to analyze the effect of the type of material on the quality of the measurement in the bending process. This study uses an experimental method, combined with a theory that supports the discussion of the problem. The materials used are 3 different types of material plates (aluminum plate, brass plate and steel plate). The parameters observed include the measurement technique, setting and use of measuring instruments. Each material received 10 repetitions of the measurements. These three parameters were analyzed using ANOVA statistics, in order to determine the quality of the measurement of each material and the most dominant factors affecting the quality of the measurements. Keywords: Plates, measurements, bending processes, and statistics.
ENERGY AND ECONOMIC ANALYSIS OF BIOGAS POWER PLANT FROM MUNICIPAL SOLID WASTE IN INDONESIA Aditia Aulia; Hadi Wahyudi; Edy Susanto
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.3982

Abstract

Indonesia is the fourth most populous country with a population of more than 270 million people and is expected to continue to increase. The increasing population has an effect on increasing municipal solid waste (MSW) generation and energy demand. Waste-to-energy (WTE) can be a solution to these two problems. This article will discuss two types of waste-to-energy technology, namely anaerobic digestion and landfill gas recovery. The study began by conducting kinetic modeling on the two technologies to determine the potential of biogas energy produced from municipal waste in Indonesia, the case study applied was Yogyakarta. Then a feasibility study was carried out to find out whether these two technologies are possible to be applied in Indonesia in terms of various aspects such as initial capital costs, operating and maintenance costs, and waste processing service costs. At the end of the study, it was found that biogas power plant with both technology bases was economically feasible. Landfill gas recovery is more attractive because it has a smaller capital and a higher IRR of 22%. The scenario using anaerobic digestion requires a larger capital than the previous scenario and has a lower IRR value of 14%. Keywords: Biogas, Municipal Solid Waste (MSW), Kinetic modeling, Waste-to-energy (WTE), Feasibility study.
LIMBAH BUAH PISANG SEBAGAI BIOAKTIVATOR ALTERNATIF PADA PENGOMPOSAN SAMPAH ORGANIK Wahyu Kartika
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.4433

Abstract

Abstrak Limbah buah pisang (LBP) dapat menurunkan estetika lingkungan baik dari segi keindahan maupun bau yang ditimbulkan. Salah satu solusi mengatasi hal tersebut dengan memanfaatkan LBP menjadi bioaktivator (BA) alami untuk membantu pengomposan. Tujuan dari penelitian ini adalah mengetahui waktu pengomposan dan kualitas kompos. Penelitian dilaksanakan dua tahap: pembuatan BA; dan proses pengomposan. Pembuatan BA dilakukan selama 14 hari dengan 2 perlakuan penambahan gula pasir (GP): 200 gram GP (notasi S1); dan 250 gram GP (notasi S2) serta satu kali ulangan, kemudian diaduk setiap 3 hari sekali sampai larutan menjadi coklat muda bening dan pada permukaannya membentuk layer nata tipis. S1 memenuhi kriteria sebagai BA dengan waktu pengomposan 30 hari, dengan pengecekan suhu dan penimbangan berat kompos setiap 3 hari sekali. Penyusutan berat kompos menjadi 56%, berwarna coklat kehitaman, suhu 320C, bau seperti tanah, kadar P2O5, kadar K2O dan kadar air sesuai SNI 19-7030-2004, sedangkan pH, N, C-organik, rasio C/N tidak sesuai SNI 19-7030-2004. Kata kunci: Limbah buah pisang, Bioaktivator alami, Pengomposan
PENGARUH PENAMBAHAN KATALIS ACTIVE CARBON DAN BENTONITE CLAY PADA PIROLISIS SAMPAH PLASTIK POLYETHYLENE TEREPHTHALATE (PETE) TERHADAP RENDEMEN, DENSITAS, VISKOSITAS, DAN NILAI KALOR: Dianta Mustofa Kamal1 1Master's Program in Applied Manufacturing Technology, Politeknik Negeri Jakarta, Jl. Prof. Dr. G. A. Siwabessy, Kampus UI Depok 16425, Indonesia Dianta Mustofa K.
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.4435

Abstract

Peningkatan penggunaan plastik mengakibatkan peningkatan dan penumpukan volume sampah plastik yang mengakibatkan masalah lingkungan, karena plastik merupakan bahan anorganik sangat sulit terurai di alam. Penelitian ini dilakukan untuk memanfaatkan sampah plastik jenis Polyethylene Terephthalate (PETE) menjadi bahan bakar cair dengan metode pirolisis menggunakan katalis agar dapat meningkatkan perolehan produk cair dan kualitas bahan bakar cair yang dihasilkan. Metode penelitian dilakukan dengan membuat sebuah reaktor sederhana untuk mendapatkan bahan bakar cair, setelah produk dihasilkan, dihitung yield, dan diuji densitas, viskositas, dan nilai kalornya. Hasil penelelitian ini membuktikan bahwa penggunaan katalis bentonite clay menghasilkan rendemen (Yield) sebesar 21,74% dimana nilai ini lebih besar sekitar 4,1 % hingga 6,7 % daripada katalis Active Carbon. Dan nilai kalornya berkisar antara 10.572–10.860 cal/g, maupun densitas dan viskositas produknya masih memenuhi standar baku mutu bahan bakar minyak (BBM) komersial. Kata kunci: Pirolisis, Polyethylene Terephthalate, Karbon Aktif, Bentonite Clay
PERANCANGAN SISTEM PENJADWALAN SEMINAR PROPOSAL BERBASIS WEB DI JURUSAN TEKNIK SIPIL POLITEKNIK NEGERI JAKARTA MENGGUNAKAN FRAMEWORK CODEIGNITER Alif Nurrizki Pangestu; Kussigit Santosa
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.4441

Abstract

Scheduling seminar proposals at the Department of Civil Engineering, Politeknik Negeri Jakarta, the system currently used is manually using Microsoft Excel software, so the possibility of conflicts and delays in the preparation of the Proposal Seminar Schedule are often experienced. In this study, a web-based proposal seminar scheduling application with the name PSPTS will be designed to make it easier for students to submit files without having to go to campus, department administrations do not have to type data manually, and the head of the study program can arrange schedules online. Using Waterfall as the method, PHP (Hypertext Preprocessor) for the programming language base, Codeigniter for the framework and for data storage using MySQL. With the existence of a website with the name PSPTS, it can improve the quality and service at the Department of Civil Engineering at Politeknik Negeri Jakarta.   Keywords : Scheduling, Proposal Seminars, Codeigniter, Waterfall.  
PENGARUH PERUBAHAN TEMPERATUR KABIN TERHADAP KINERJA PADA SISTEM REFRIGERASI FREEZE DRYING wardika wardika; Aa Setiawan; Tri Wulan Fitriyani
Jurnal Poli-Teknologi Vol. 20 No. 3 (2021)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v20i3.4461

Abstract

Tujuan penelitian ini adalah untuk mengetahui kinerja dari mesin freeze drying dengan variasi perubahan temperatur kabin. Metode yang digunakan dalam penelitian ini adalah dengan membandingkan langsung perubahan setpoint pada temperatur kabin -10oC, -15oC dan -20oC terhadap kinerja pada sistem refrigerasi mesin freeze drying dimana dimensi kabin 40cmx40cmx40cm, dengan beban produk irisan buah mangga sebesar 3 kg. Berdasarkan hasil pengolahan data yang dilakukan pada freeze drying didapat kinerja sistem pada COP aktual temperatur kabin -10oC sebesar 2,7, temperatur kabin -15oC sebesar 2,8 dan temperatur kabin -20oC sebesar 2,7. Efisiensi sistem pengeringan beku dengan variasi temperatur masing-masing -10oC, -15oC, dan -20oC sebesar 63%, 62,7% dan 63,1%,Kata kunci : freeze drying, temperatur, Kinerja, Kualitas produk.

Page 1 of 1 | Total Record : 8

 1 

Filter by Year

2021 2021


Reset
Filter By Issues
All Issue Vol. 23 No. 3 (2024) Vol. 23 No. 2 (2024) Vol. 23 No. 1 (2024) Vol. 22 No. 3 (2023) Vol. 22 No. 2 (2023) Vol. 22 No. 1 (2023) Vol. 21 No. 3 (2022) Vol. 21 No. 2 (2022) Vol. 21 No. 1 (2022) Vol. 20 No. 3 (2021) Vol. 20 No. 2 (2021) Vol. 20 No. 1 (2021) Vol. 19 No. 3 (2020) Vol. 19 No. 2 (2020) Vol. 19 No. 1 (2020) Vol. 18 No. 3 (2019) Vol. 18 No. 2 (2019) Vol. 18 No. 1 (2019) Vol. 17 No. 3 (2018) Vol. 17 No. 2 (2018) Vol. 17 No. 1 (2018) Vol. 16 No. 3 (2017) Vol. 16 No. 2 (2017) Vol. 15 No. 3 (2016) Vol. 15 No. 2 (2016) Vol. 15 No. 1 (2016) Vol. 14 No. 3 (2015) Vol. 14 No. 2 (2015) Vol. 14 No. 1 (2015) Vol. 13 No. 1 (2014) Vol. 12 No. 2 (2013) Vol. 12 No. 1 (2013) Vol. 11 No. 3 (2012) Vol. 11 No. 1 (2012) Vol. 10 No. 3 (2011) Vol. 10 No. 2 (2011) Vol. 10 No. 1 (2011) Vol. 9 No. 3 (2010) Vol. 9 No. 2 (2010) Vol. 9 No. 1 (2010) More Issue