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Jurnal Teknik Mesin Sinergi

Sinergi
Website

Published by Politeknik Negeri Ujung Pandang

ISSN : 16931548 EISSN : 26849372 DOI : http://dx.doi.org/10.31963/sinergi

Core Subject : Science, Engineering,

Energy Mechanical Engineering

Jurnal Teknik Mesin Sinergi Politeknik Negeri Ujung Pandang mempublikasikan hasil penelitian pada Bidang Teknik Mesin dan Energi.

Arjuna Subject : Teknik (semua kategori) - Teknik Mesin

Articles 14 Documents

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Search results for , issue "Vol 18, No 2 (2020): Oktober 2020" : 14 Documents clear

Analisis Pengaruh Perubahan Beban Generator Terhadap Efsiensi Kinerja PLTU Bosowa Energi Jeneponto Unit 2 Andreas Pangkung; Herman Nawir; Aditya Nugraha Adji Santoso
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

This study aims to determine the effect of changes in generator load on efficiency performance in steam power plants and to determine the amount of input power in the boiler. Data collection was carried out at PT. Bosowa Energi PLTU Jeneponto. The data are the power output, fuel consumption, and the calorific value of the fuel. Then perform data analysis by calculating input power and efficiency. From the result of the study, the highest efficiency is on May 20, 2018 at 18.00 with a load of 90.00 MW, namely 55.68% and the lowest efficiency is on May 12, 2018 at 03.00 with a load of 64.98 MW, namely 22.69%. The highest boiler input power based on the analysis results was on May 3, 2018 at 20.00, namely 356.61 MW, and the lowest boiler input power based on the analysis was on May 15, 2018 at 07.00, namely 128.14 MW.

Pemantauan Elevasi Bendungan Bilibili Secara Real Time Uuntuk Pencapaian Kinerja PLTA Bilibili Mochamad Marte Ardhianto
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

Unit Layanan Pusat Listrik (ULPL) PLTA Bilibili merupakan Pembangkit Listrik Tenaga Air. Pola pengoperasian PLTA Bilibili diatur oleh Dinas PU berdasarkan kuota air yang disesuaikan dengan kondisi elevasi. Namun hal itu terganggu dengan kondisi lokasi dan ketidak akuratan pembacaan pada papan elevasi di bendungan yang berada di outdoor. Hal ini mengakibat papan elevasi mengalami korosi sehingga membuat operator kurang akurat untuk membaca elevasi bendungan ditambah lagi dengan kondisi air yang bergelombang serta jalanan ke lokasi yang kurang aman. Ketidak akuratan pembacaan elevasi bendungan oleh operator merupakan salah satu masalah yang perlu diantisipasi dalam penanggulangan, karena dengan ketidak akuratanpembacaan elevasi, PLTA Biilibili tidak bisa melakukan negosiasi penambahan kuota air dengan PU. Untuk mengatasi masalah yang terjadi yaitu dengan Pemantauan Elevasi untuk pemantauan pergerakan trend elevasi dibendungan. Metode ini dilakukan dengan sistim Real Time yaitu dengan pemasangan CCTV pada Panel pembacaan Elevasi. Dengan dilakukan metode tersebut, dapat mengetahui trend elevasi yang berada pada bendungan dan segera melakukan koordinasi dengan PU untuk negosisasi penggunaan kuota air, sehingga manfaat yang didapat dengan penerapan metode ini yaitu operator PLTA segera ambil tindakan (action) dengan menaikan beban pembangkit sehingga kinerja Perusahaan dapat terpenuhi.

Analisa Perawatan Diesel Engine Generator (DEG) Tunu South Production Platform Pertamina Hulu Mahakam Abdul Zain; Wildan Alif Imam Putra
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

Routinely, oil and gas activity at PT Pertamina Hulu Mahakam has been supplying electric power by Diesel Engine Generator (DEG). Writer takes this research object because Diesel Engine Generator is one of the critical asset with intention of understand preventive maintenance procedural steps, frequent faults occur during electrical generation system. Writer takes this analysis based on operational history from least one year occured fault auxiliary system frequently. Such as current transformer and magnetic pick-up which involving a process shutdown and loss electrical power causes less contribution on Tunu South Production Platform. And other reason cause unplanned shutdown were during maintenance on 6 monthly nor Yearly didn’t checking on auxiliary system, The procedure wasn’t update causes unplanned shutdown possibility in the further.

Perancangan Sistem Pengendali Jarak Jauh Berbasis Mikrokontroler Pada Rumah Cerdas Lewi Lewi; Abdul Rahman
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

In the construction of a house, the model or design is often the main priority, while the electrical installation is not given much attention. As a result, the need for electrical energy is increasing rapidly. In addition, the increasing demand for electrical energy is also due to a lack of supervision and control over household electricity consumption. A simple solution to save energy while facilitating monitoring of electrical energy use is a system that integrated with various devices in the house. This system is also necessary because it can be controlled by the owner of the house remotely, namely by short message (SMS). This control system is controlled by an Arduino microcontroller as a control center connected to a device to turn on the lights. The microcontroller is connected to the GSM Shield which functions as a device that receives messages as short as those sent by the home owner. The contents of the message received by the GSM Shield will be read by the microcontroller and if the contents of the message are correct, the microcontroller can give instructions to the device to turn on the light.

Disain dan Pembuatan Alat Atomisasi Aluminium Edi Iskandar; Hafrizon Hafrizon; Wiwiek Nuralimah; Hairul Arsyad; Lukmanul Hakim Arma
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

Metal powder is the main raw material in the manufacture of powder metallurgy-based products. Powder-making is the initial step before the powder is packed and pressed in a mold to form the desired product. This research designs and fabricates an atomizer to produce powder from liquid aluminum using a pressurized water jet system. The research stage starts from the drawing of the tool design by considering the volume of liquid aluminum, the diameter of the outlet of liquid metal, the air pressure, and the angle of attack of the water beam. The second stage is the manufacture of the atomization chamber by referring to the design drawing by making parts of the tool/frame, liquid metal feeder parts, making the walls of metal plates, making the nozzle holder, and collecting the powder parts and the water exhaust channel. The third stage is assembly, which is to unite the main parts of the aluminum atomizer. The final stage is the testing of the atomization tool using 250 Psi pressurized water with variations of attack angle was 30˚, 35˚, 40˚, 45˚, and 50˚ with a metal descending channel diameter of 5 mm. The results showed that the 45o spray angle gave the highest percentage of powder amount and the lowest 40o angle resulted in the size of aluminum metal powder in the range 0.105 mm-0.5 mm. The size of the powder was obtained at an angle of attack of 35o, which is an average of 39.5 um, and the largest size of powder was obtained at a spray angle of 40o of 89.5 um. The resulting powder form is irregular in shape, flakes (flakes), spheroid (spherical), and spongy (hollow).

Rancang Bangun Mesin Produksi Biodiesel Sistem Kontinyu Kapasitas 400 Liter/Jam Suryanto Suryanto; Sukma Abadi; Barka Amanah; Wahyudin Wahyudin
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

Biodiesel merupakan salah satu jenis biofuel (bahan bakar cair dari pengolahan minyak nabati atau lemak hewani). Penggunaan biodiesel di Indonesia dalam dekade terakhir ini terus mengalami peningkatan sehingga sistem produksi biodiesel terus dikembangkan guna menghasilkan produk yang kontinyu, berkualitas dan efisien. Berdasarkan kondisi tersebut maka penelitian ini dilakukan untuk meningkatkan produksi biodiesel dengan merancang mesin produksi sistem kontinyu kapasitas 400 liter/jam menggunakan sistem kontrol seri Arduino Mega 2560 pada alat produksi sehingga diperoleh suatu sistem yang kontinyu dengan mengontrol secara otomatis. Hasil uji coba mesin produksi biodiesel dari penelitian ini diperoleh hasil kapasitas 117 liter/jam/tangki. Dari hasil tersebut diperoleh produk yang terdiri dari 12,5 liter gliserol sedangkan biodiesel 104,5 liter. Ada empat tangki yang bekerja secara sekuen sehingga diperoleh total kapasitas 420 liter/jam. Adapun dari hasil uji mutu biodisel yang telah diuji lab menunjukkan hasil yang sesuai dengan standar SNI.

Analisa Keseimbangan Energi PLTU Takalar (Punagaya) Unit 2 Berdasarkan Perubahan Beban Makmur Saini; Nur Hamzah; Devi Prasetyo Utomo
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

This study aims to calculate the efficiency and heat rate of the unit 2 PLTU Takalar (Punagaya) system with the energy balance calculation method, calculate the NPHR value of PLTU Takalar (Punagaya) unit 2 when the unit is operating, and also to determine the energy loss from the conversion energy results at PLTU Takalar (Punagaya) unit 2 when the unit operates. The PLTU's Net Plant Heat Rate (NPHR) value is a very important role as an indicator of the performance of a steam power plant. The real-time NPHR value calculation using the energy balance method can be used as an evaluation material to control the operation pattern of the generator in order to obtain optimal operation. The method used in this research is to collect direct and indirect data to calculate the energy balance and NPHR of PLTU Takalar (Punagaya) unit 2 during the reliability run period. The calculations carried out include the calculation of the energy balance in the boiler, the energy balance in the steam cycle, the balance of electrical energy, the efficiency of the PLTU and NPHR systems. Based on the results of calculations that have been carried out the efficiency and NPHR of PLTU Takalar (Punagaya) unit 2 is the best during the reliability run of 32.76% and 2801.93 kcal / kWh at full load conditions with an energy loss value of 220.60 MW. The performance of PLTU Takalar (Punagaya) unit 2 during the reliability run is very good where the unit operates continuously and the NPHR value when full load fulfills the contract warranty and the maximum operating target.

Studi Estimasi Beban Puncak Hari Libur Nasional Sistem Interkoneksi Sulselbar Menggunakan Jaringan Syaraf Tiruan Propagasi Balik Makmur Saini; A.M. Shiddiq Yunus; Firdaus Firdaus
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

The development of population from time to time is increased and the need for electricity consumption is also increased. Simultaneously increasing the need for electric power requires the provider of electricity supply in this case PT. PLN (Persero) should deliver power effectively to consumers. To maximize the distribution of electricity to the consumer, a load planning is required. This load planning is conducted to find out how much amount of power is required by consumer. The purpose of this research is to investigate the need of power load of interconnection system of South Sulawesi and to investigate the accuracy of load planning using Artificial Neural Network (ANN) backpropagation.

Penggunaan Peralatan Eksperimen Karakteristik Aliran Laminer Melewati Berbagai Bentuk dan Model Interaksi Benda Hafrison Salamba; Edi Iskandar
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

Eksperimen Laminar Flow Visualization and Analysis Unit (LFA) adalah peralatan yang baru diadakan pada tahun 2019 di Laboratorium Mekanika Fluida Departemen Teknik Mesin Universitas Hasanuddin. Untuk itu, harus dipersiapkan tatacara penggunaan peralatan dalam eksperimen karakteristik aliran fluida melintasi berbagai bentuk benda dan model interaksi benda. Karakteristik penggunaan peralatan LFA, menjadi acuan untuk praktikum dan penelitian mahasiswa serta dosen. Metode eksperimen adalah dengan mengalirkan fluida melewati 3 bentuk benda dan 8 interaksi model benda (benda uji) pada 2 tingkat kecepatan yaitu 0,44 m/s dan 0,52 m/s. Selanjutnya merekam visualisasi aliran yang terbentuk pada masing-masing tingkat kecepatan dan benda uji tersebut. Hasil visualisasi menunjukkan bahwa bila bentuk benda berbeda, maka pola pertumbuhan lapisan batas, pemisahan aliran dan vortex aliran yang terbentuk berbeda. Demikian pula, untuk masing-masing interaksi antara dua benda atau lebih yang sama maupun berbeda, maka menghasilkan aliran yang berbeda.

Peningkatan Ketersediaan Waktu Operasi Pada Mesin Boiler Berdasarkan Down Time Dengan Pendekatan Metode Reliability Centered Maintenance (RCM) (Studi Kasus PT. Dian Swastika Sentosa, Tbk Ahmad Zubair Sultan; Muhammad Arsyad Suyuti; Tanhar Bin Naim; Arya A. Amiruddin
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

This study aims to (1) determine the subsystem or component that causes the main failure in boiler unit 2 and the effect on production efficiency. (2) Determine the maintenance interval at boiler unit 2 with the Reliability Centered Maintenance method. This research was conducted by processing downtime data from each sub-system or component, which was converted into time data between failures. Thus, testing of the distribution data is to determine the appropriate distribution. Based on the parameters obtained, it is used to determine the reliability function of each subsystem or component. Thus, the reliability value of each component over a certain period of time can be calculated. From the results of the research, the most damage has reliability including ballmill a (29.01%), ballmill b (37,250%), bottom ash a (41,604%), coal feeder a (35,282%), boiler (38,275%), hydraulic (20,236%), soot blower l3 (16,019%), coal feeder b (35,915%). So that reliability is focused on these components or subsystems. Then the maintenance time intervals are arranged as a group maintenance strategy to achieve the targeted system reliability.

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Contact Name
Muhammad Ruswandi Djalal

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wandi@poliupg.ac.id

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+6285250986419

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sinergi@poliupg.ac.id

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Jalan Perintis Kemerdekaan KM.10 Tamalanrea, Makassar 90245

Location
Kota makassar,

Sulawesi selatan

INDONESIA

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Muhammad Ruswandi Djalal

Contact Email wandi@poliupg.ac.id

Phone +6285250986419

Journal Mail Official sinergi@poliupg.ac.id

Editorial Address Jalan Perintis Kemerdekaan KM.10 Tamalanrea, Makassar 90245

Location Kota makassar, Sulawesi selatan INDONESIA

Abstract

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Abstract

Contact Name
Muhammad Ruswandi Djalal

Contact Email
wandi@poliupg.ac.id

Phone
+6285250986419

Journal Mail Official
sinergi@poliupg.ac.id

Editorial Address
Jalan Perintis Kemerdekaan KM.10 Tamalanrea, Makassar 90245

Location
Kota makassar,

Sulawesi selatan

INDONESIA