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All Journal Manutech : Jurnal Teknologi Manufaktur Jurnal Teknik Mesin Jurnal Vokasi Jurnal Surya Teknika International Journal of Innovation in Mechanical Engineering and Advanced Materials IJIMCE : International Journal of Innovation in Mechanical Construction and Energy JAPEPAM, Jurnal Pengabdian kepada Masyarakat
Candra Mayana, Hendri
Jurusan Teknik Mesin, Politeknik Negeri Padang
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Jurnal Teknik Mesin

 1 
Pengaruh Kemiringan Saluran Terhadap Fenomena Flooding Dengan Gangguan Pada Aliran Udara–Air Dan Udara–Minyak Tanah Hendri Candra Mayana
Jurnal Teknik Mesin Vol 11 No 2 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

Some equipments which are used in petroleum industries, chemical industries, steam power-plants and nuclear reactors must avoid the flooding phenomena in order to work at optimal condition. The purpose of this research is to investigate the effects of inclination and obstacle on flooding onset at counter-current air-water and air-kerosene flows with porous inlet and sharp outlet. The model of obstacle was conformed to industrial application i.e .pipe joining or pipe scaling. Experimen ts were conducted in a plexyglass pipe of 25.4 mm diameter and 2500 mm length of test section at annular flow pattern. The variation of inclination of ducts are 90o, 80o and 60o. The geometry of the obstacle is a ring with rectangular cross sectional which is installed with a distance 600 mm or 1200 mm from the inlet. The result of the research indicated that the effects of inclination and obstacle of ducts are significant toward flooding onset. Flooding phenomena was indicated with drastic increase of pressure gradient above the liquid inlet. Flooding phenomena happened earlier of larger inclination of the ducts and nearer obstacle of the inlet. This phenomena also early happened at kerosene which have higher viscosity and lower surface tension than water
PEMBUATAN MESIN PENGIRIS BAWANG Ricky Aldian Desrizal; Rivanol Chadry; Hendri Candra Mayana
Jurnal Teknik Mesin Vol 12 No 1 (2019): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

The main goal to be achieved is to be able to make an onion slicing machine so that it can answer the problem if the onion slicing is carried out in a larger capacity. The onion slicing machine is made to support the increase in the production of shallot slices, which are ready to be fried for the production of scallion onions in household industries. In a small scale, the work can be done manually with a knife or other simple cutting tool. Problems will arise if large quantities of sliced or cut production are available. In order to facilitate the community in processing shallots and learn about the problems, namely how to produce a shallot slicing machine with uniform slices results using different slope angles on the knife. the working principle of this machine is the Onion which has been peeled dry skin inserted into the funnel then the plate on the back of which has a knife, will rotate because it is driven by an electric motor. As a result of the rotation the onion will be sliced and the slice will fall down, and below it a container will be used as a cross section of the onion which has been finished sliced as a result
Analisis Exergoeconomic Pada Kompresor Gas Engine Siklus Miller Berbahan Bakar Pome Fajri, Ahmad Hasnul; Adriansyah, Adriansyah; Mayana, Hendri Candra; Leni, Desmarita
Jurnal Teknik Mesin Vol 17 No 2 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.2.1636

Abstract

Energy efficiency is a crucial challenge in energy resource management. One innovative approach to improving efficiency is through exergy and exergoeconomic analysis. Exergy analysis considers not only the quantity of energy but also its quality, based on the second law of thermodynamics. Meanwhile, exergoeconomic analysis integrates exergy analysis with economic aspects, such as cost calculations. This study uses the Tandun Biogas Power Plant (PLTBg) as a case study to evaluate energy efficiency and operational costs. The analysis begins with the collection of economic data, including investment costs, fixed operation and maintenance (OM) costs, and variable OM costs.The results show that the investment cost is $0.016/kWh, fixed OM costs are $0.030/kWh, and variable OM costs are $0.009/kWh. The cost losses due to exergy destruction before the overhaul of the gas engine were recorded at $127.23/hour, with contributions from each component as follows: combustion chamber ($51.63/hour), compressor ($21.62/hour), and turbocharger ($53.98/hour). After the overhaul, the total cost losses significantly decreased to $3.3752/hour, with detailed losses from the combustion chamber ($1.168/hour), compressor ($2.193/hour), and turbocharger ($0.0142/hour). This study demonstrates that exergy and exergoeconomic analysis can identify significant opportunities to improve energy efficiency and reduce operational costs in biogas-based power plants. This approach serves as a practical guideline for optimizing energy systems in the renewable energy industry sector.
Rancang Bangun Mesin Penepung Pakan Ternak Multifungsi Untuk Kelompok Tani Berkah Mandiri Mayana, Hendri Candra; Mulyadi, Mulyadi; Nofriadi, Nofriadi; Z, Dito Farizal; Putri, Elsy Kumala
Jurnal Teknik Mesin Vol 17 No 2 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.2.1653

Abstract

Animal feed is one of the essential components supporting livestock growth and development. High-quality feed can significantly enhance farm productivity. However, in the preparation of feed in powdered form, efficient machinery is often required to process raw materials into fine particles. This study aims to design and develop a multifunctional animal feed grinder capable of processing various raw materials, such as corn, rice husks, oil palm fronds, wild grass, and straw, into fine powder. The machine is designed with a power output of 4,856.95 watts, utilizing a 6.5 HP gasoline engine, and has a production capacity of 11.34 kg/hour at 3,600 rpm. The trial results demonstrated the machine's production capacity for each material per hour: corn at 32.2 kg, rice husks at 22.9 kg, oil palm fronds at 30.2 kg, wild grass at 16.5 kg, and straw at 10.8 kg. This multifunctional grinder is expected to assist farmer groups in processing animal feed more efficiently and effectively.
Co-Authors Adriansyah Adriansyah Dedi Erawadi Dedi Erawadi Defri Pratama Desmarita Leni Fajri, Ahmad Hasnul Firdaus Hanif Haris Haris, Haris Hendra Hendra Hersalniar Muchlisinalahuddin Mulyadi Mulyadi Nasirwan Nasirwan Nasrullah Nasrullah Nofriadi Nofriadi Oong Hanwar Putri, Elsy Kumala Ricky Aldian Desrizal Rivanol Chadry Ruzita Sumiati Yuda Perdana Kusuma Yuli Yetri Z, Dito Farizal