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Jurnal Ilmiah Poli Rekayasa
Published by Politeknik Negeri Padang
ISSN : 18583709     EISSN : 26853922     DOI : 10.30630/jipr
Core Subject : Education,
Education
Jurnal Ilmiah Poli Rekayasa adalah jurnal ilmiah yang diterbitkan 2 edisi dalam setahun, bulan April dan Oktober. Terbit sejak tahun 2005. Fokus Kajian jurnal ini adalah Fokus kajian artikel dalam JPR mencakup Mechanical Engineering, Civil Engineering, dan Electronica, Electricty dan Telecomunication EngineeringLingkup Jurnal Ilmiah Poli Rekayasa meliputi : 1) Energi terbarukan (rewnable energy), 2) Inovasi kendaran bermotor hemat BBM, 3) Material Maju, 4) Emisi dan pembakaran motor bakar, 5) Rekayasa termal dan fluida, 6) Rekayasa power plant, 7)Material komposit, 8) Biomaterial, 9)Teknologi pengujian tak merusak (Non Distruction Test/NDT), 10) Kontrol dan mekatronika, 11) Planing untuk pengurangan resiko bencana, 12) Sistem transportasi antar moda, 13) Rekayasa konstruksi, bangunan, jembatan dan Jalan, 14) Manajemen daerah aliran sungai, air tanah, sedimen dan waduk, 15) Remote Sensing Harap baca panduan ini dengan seksama. Penulis yang ingin mengirimkan artikel ke Jurnal Ilmiah Poli Rekayasa, harus mengikuti panduan penulisan. Jika artikel yang dikirim tidak sesuai dengan panduan penulisan atau ditulis dalam format yang berbeda, maka akan DITOLAK oleh editor sebelum ditinjau lebih lanjut. Para editor hanya menerima artikel yang memenuhi format yang ditetapkan. Artikel ditulis dalam bahasa indonesia. Jurnal Ilmiah Poli Rekayasa menggunakan prosedur penilaian Double Blind. Dimana antara penulis dengan mitra bestari tidak saling mengenal identitasnya masing-masing. Silahkan kirimkan artikel anda dan untuk unduh Template DI SINI Etika Publikasi dapat dilihat pada tautan berikut ini : ETIKA PUBLIKASI.
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Articles 5 Documents
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Search results for , issue "Vol 17, No 2 (2022): April 2022" : 5 Documents clear
ORGANIC WASTE COMPOST PROCESSING USING ARDUINO-BASED AUTOMATED MACHINES Mario Oktasa Sibarani; Kartika Kartika
Jurnal Ilmiah Poli Rekayasa Vol 17, No 2 (2022): April 2022
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (755.717 KB) | DOI: 10.30630/jipr.17.2.231

Abstract

Compost is an important organic fertilizer in agriculture. Compost comes from weathering / decomposition of waste such as leaves. In the composting process, it can occur naturally but requires a longer time because during the decomposition process the temperature can change so that the performance of microorganisms that decompose waste decreases. The Arduino-based automatic machine is designed to maintain the temperature during the composting process. There are two types of systems used in composting machines. The first composting machine uses an automatic system that works every 3 hours to stir the waste in the tube while the second machine uses the system to work when the temperature detected by the DS18b20 sensor in the tube increases. In the second engine system the highest temperature is set at 38˚C. If the temperature in the tube increases and exceeds the temperature limit that has been set, the motor will work to stir the waste until the temperature in the tube drops. The results of the compost feasibility test on the first machine obtained a pH value of 5.84; Nitrogen 9.67%; Organic carbon 16.33%; C/N ratio 16.90; while the second machine obtained a pH value of 5.60; 8.60% Nitrogen; 17.89% organic carbon; C/N ratio 20.81
PERANCANGAAN MESIN PENGERING MINYAK KAPASITAS 10 KG Sir Anderson
Jurnal Ilmiah Poli Rekayasa Vol 17, No 2 (2022): April 2022
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.942 KB) | DOI: 10.30630/jipr.17.2.225

Abstract

Repeated heating of paml oil has a greater effect to produce high levels of trans fat. The excess consumsion of food contained trans fat is couse of diabetes and coronary heart diseas. The oil spinner machine of 10 kg capacity are proposed to overide this problem because it is able to throw the oil particles out from the fried food caused by centrifugal force. The drying area is a 50 cm long tube having diameter of 40 cm which is driven by an electric motor single-phase 1 Hp 1400 rpm. In order to increase the speed of the drying tube into 2800 rpm, a 6 inch diameter pulley attached to the motor shaft while a 3 inch is mounted on a 10 cm diameter drying tube shaft. The two pulleys are connected by means of an open belt drive with a length of 60 inch and 187,480 the contact angle.
Penambahan Optical Distribution Point (ODP) Menggunakan Metode Branching Dalam Rancangan Jaringan Fiber To The Home (FTTH) Di Gedung G Lantai 3 Politeknik Negeri Padang Rifaa Dhiyannisa Yuseliani
Jurnal Ilmiah Poli Rekayasa Vol 17, No 2 (2022): April 2022
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.041 KB) | DOI: 10.30630/jipr.17.2.236

Abstract

Fiber To The Home (FTTH) is a network that uses fiber optics. One of the devices on FTTH is optical distribution point (ODP). There are two methods of ODP installation, namely by connecting aerial cables directly to ODP and branching. Branching is a method of branching FTTH devices. In previous studies branching was carried out in the closure. However, in the study there was a drawback, namely the branching in the closure must be carried out by connecting fiber optic cables which requires high accuracy. Therefore, this study discusses branching in ODP with the 1: 2 passive splitter method and dropcore cable. Therefore, with this method branching can be done without connecting fiber optic cables. The result of this study is branching with a 1:2 passive splitter, one of the outputs to the ODP Closure Area of the passive splitter 1:8 has a high attenuation value when at the customer's home, which is 32.23dB, compared to other outputs in the passive splitter 1:2 directly connected to the OTB has a attenuation value of 23.53dB. In contrast to branching, using a dropcore cable to the ODP passive splitter 1:4 as a branching tool produces a attenuation value of 26.55dB, which is in accordance with the standards for all four outputs. The high attenuation value affects the quality of the network in the customer's home. Therefore, good branching is to use a dropcore cable. The allowable attenuation value in the customer's home is less than 28dB in accordance with itu-T G.984 standard.
PENGARUH KARAT TERHADAP KETANGGUHAN MARETIAL BAJA UNTUK JEMBATAN Fauzri Fahimuddin
Jurnal Ilmiah Poli Rekayasa Vol 17, No 2 (2022): April 2022
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (261.29 KB) | DOI: 10.30630/jipr.17.2.239

Abstract

Rust is a major problem in steel bridge construction because it has the potential to affect the integrity of the structure and is also an important consideration for inspection and maintenance programs. This study shows the results of laboratory tests on the effect of rust within 1 to 9 weeks on fracture toughness as one of the important mechanical properties of steel bridge elements. The specimens in this study were made of SM 490 type, steel commonly used for bridge construction. Rustless and rusted specimens were used with varying degrees of exposure after immersion in acid solution to simulate the rate of rust. The effect of rust rate on fracture toughness due to mass loss was studied. The fracture toughness of each specimen was monitored for those specimens with exposure periods of 1 week, 2 weeks, 3 weeks, 4 weeks, and 9 weeks to test their effect on toughness. The results of this study showed that there was no significant reduction in the rusting duration of 1 week, 2 weeks, 3 weeks, 4 weeks, and 9 weeks of fracture toughness. Rusting and testing activity for the long term is still ongoing and will be continued, as the results of this study greatly help bridge designers and asset managers to better model rust inspection and maintenance plans and assess the structural integrity of steel bridges affected by rust more accurately.
MANAJEMEN PEMELIHARAAN GEDUNG E, G, K DAN V POLITEKNIK NEGERI PADANG Yan Partawijaya
Jurnal Ilmiah Poli Rekayasa Vol 17, No 2 (2022): April 2022
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (440.26 KB) | DOI: 10.30630/jipr.17.2.232

Abstract

Building maintenance is a very important to do after a building is completed or used. Maintenance makes of the building longer, safety, strength and appearance. Maintenance can reduce damage to the building, comfort and safety for all building users. Analysis of the maintenance management buildings E, G, K and V Politeknik Negeri Padang for 2023, maintenance schedule for buildings E, G, K and V Politeknik Negeri Padang for structural, architectural and utility components is divided daily, weekly, monthly and yearly intervals. Time periode, daily maintenance includes work on floors, walls, ceilings, doors, windows, frames, clean water installations, security installations, sanitary equipment and electrical installations. Maintenance periode of weekly and monthly intervals includes the work of structures, floors, walls, doors, frames, clean water installations and air conditioning installations. Annual periodic maintenance includes work on structures, walls, ceilings, doors, frames, air conditioning installations, fire protection installations and security installations. The maintenance cost of buildings E, G, K and V Politeknik Negeri Padang Rp. 810,834,743.17 with the cost of structural components of Rp. 84,443.56, architectural components of Rp. 651,660,899.61 and utility components of Rp. 159,089,400.00. Keywords: Buildings, Maintenance, Time periode, Cost

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