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JURUTERA (Jurnal Umum Teknik Terapan)
Published by Universitas Samudra
ISSN : 23565438     EISSN : 23565438     DOI : https://doi.org/10.55377/jurutera.v10i02.8268
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Mechanical Engineering
Jurnal Ilmiah Jurutera menerbitkan dalam berbagai topik dalam bidang rekayasa dan sains yang dapat dikategorikan kedalam tema-tema berikut: - Teknik Elektro dan Informatika - Teknik Geologi dan Pertambangan - Teknik Arsitektur dan Perencanaan Wilayah dan Kota - Teknik Mesin dan Industri - Teknik Sipil dan Lingkungan - Teknik Perkapalan, Sistem Perkapalan, dan Kelautan - Multidisiplin
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 161 Documents
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DESIGNING AND TESTING OF SOLAR POWER PLANT FOR PARKING AREA AT ENGINEERING FACULTY UNIVERSITAS SAMUDRA Mustafa Kamal; Taufan Arif Adlie; Nasruddin A. Abdullah; Fazri Amir
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 02 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i02.6739

Abstract

Technological growth impacts all aspects of human life, from urban to rural. The increase in technological developments in all fields causes the need for electricity to continue increasing yearly, including in universities. The continuous use of electrical energy derived from fossil fuels has the potential to cause an energy crisis. The solution is to use renewable energy sources, such as solar energy, which is abundant and continuous. Solar energy is the energy obtained directly from solar radiation. It is the cleanest energy source that has been developed so far, making it a solution to solving the energy crisis. One way to utilize solar energy is by using solar cells. This study aims to analyze the use of solar power for electrical energy needed at the parking area of the engineering faculty building at Samudra University so that it can save energy and reduce electricity usage from PLN. The data collection process was carried out by measuring the current strength generated by the solar panels for 10 days. The results show an average voltage of 17.38 volts with 3 lamps loaded for 8 days. While without loading, the highest solar panel voltage results are found on Mondays and Thursdays with a voltage value of 12.7 after being charged, while the lowest solar panel voltage values are found on Sundays and Fridays with a voltage value of 12.3. After analyzing the data, the electricity requirement for a building is 792 KWh.
Analyze On Variation Composition of Composite Polymer Foam Polyurethane Reinforced by Bagasse Waste Due to Static Compressive Loading Aidi Sutikno; Zainal Arif; Taufan Arif Adlie
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 01 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i01.6743

Abstract

At this time, the discovery in the field of composites continues to grow. Using foamed polymer composites reinforced with natural fibers continues to be researched and developed to obtain alternative materials to replace metals. Composite materials have unique characteristics and are lighter in weight. Natural fibers from bagasse fiber can function as reinforcement in polymer composites. This study aimed to obtain the effect of variations in bagasse fiber on composite polymer foam materials due to compressive strength loads. This polymer composite material was made by varying bagasse fiber with a mesh fiber size of 300, 400, and 500. Three variations of the constituent materials were measured based on the density ratio of the materials. The constituent materials consist of resin, polyurethane, and fiber, respectively are: label A = (85%, 15%, 0%); label B = (84%, 15%, 1%); Label C = (83%,15%, 2%); and label D = (82%, 15%, 3%). Specimens, for each composition, are three specimens. The technique for making specimens uses the method of pouring into molds concerning ASTM D-638. The testing machine for compressive strength of this polymer composite material using the Tensilon RTF-1350 tool. From the data obtained from the results of the maximum compressive strength test occurs in the fiber size of the specimen labeled D (500 Mesh) with a compressive stress of 5.674 MPa and a strain of 0.186 mm/mm. From these data, it can be concluded that the smaller the size of the bagasse fiber, the better the tensile strength of the polymer foam composite material.
DESIGN OF THERMAL CONDUCTING EQUIPMENT Iskandar; Parlindungan Lumban Batu; Nazaruddin Abdul Rahman; Syamsul Bahri Widodo
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 02 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i02.6833

Abstract

This research presents the design and manufacture of thermal conductivity test equipment using heat transfer techniques (steady state) with the ability to test materials at high temperatures. The design of this test equipment is an extension of the ASTM D5470-06 standard, where the same is used to calculate the surface temperature and heat transfer through the sample during the test, where at each reference rod point, 10 K-type thermocouples are embedded. The maximum heater power required by the reference rod with a heating time of 1 hour is 30.4 KW. This test tool uses 3 pieces of 500-Watt power, and Thermoelectric TEC1-12706 12 Volt 6 Ampere 40x40 mm, Heatsink, 12 Volt DC Fan 0.15Ampere 38x38 mm, to keep the test at a steady state. And the use of Thermal Paste to minimize thermal contact resistance. From the calculations, it can be seen that the faster the time needed to heat the reference rod will require greater heater power, and vice versa. For high temperatures, this tool can reach a test temperature of 100 ℃. This research was conducted to measure the thermal conductivity of stainless steel, iron, wood, rubber, and Styrofoam. After the measurement, the thermal conductivity of stainless steel was 15.14037 W / mK Reference 14.00 W / mK, iron 41.07 W / mK Reference 79.5 W / mK, wood 1.54 W / mK Reference 0.21 W / mK, rubber 0.6 Reference 0.2 W / mK, Styrofoam 0.062 W / mK Reference 0.095 W / mK. Thus, further research is needed on the method of measuring the thermal conductivity of metals by transient means.
SOLAR STOVES AS AN ALTERNATIVE SOLUTION FOR THE USE OF RENEWABLE ENERGY IN INDONESIA Huda Bagus Rozaq; Muhammad Amin; Teuku Azuar Rizal; Rita Syndia
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 02 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i02.6853

Abstract

Along with the development of technology, the need for fossil energy for cooking purposes using conventional stoves is increasing. The limitations of fossil energy reserves that cannot be renewed have resulted in an energy crisis starting to hit. Solar energy is an energy source that is environmentally friendly and available free of charge. Solar energy is utilized using the system. Concentrating solar power (CSP) focuses solar radiation to a point to get a higher temperature. This type of box-type solar cooker has a long history dating back to the 18th century when Nicholas-de-Saussure first made this type of solar cooker. A parabolic solar cooker is a solar-powered stove that uses reflections from the sun's radiation which is concentrated directly on the pan. A trough solar cooker collects sunlight and reflects it to a focal point using a reflective film. A box-type solar cooker has an important part between the reflectors which use aluminum foil with a diameter of 41 cm and a thickness of 0.2 mm. The collector was made of brass copper for cooking with a diameter of 41 cm and a thickness of 0.2 mm. The parabolic type of solar cooker has important parts, including a collector that uses a parabola with a diameter of 140 cm and a depth of 40 cm and a reflector that uses a reflective film with an emissivity value of 0.91. The trough-type solar cooker performs better than the box and parabola types because it has a higher temperature where the ambient temperature is 25.5 ℃, the focal point temperature is 164℃, and the load temperature is 163℃.
Proposed Marketing Strategy to Increase Service Sales Using the SWOT-Analytic Hierarchy Process Method (Case Study at The Ganteng Barber, Langsa City) Edi Suwandi; Meri Andriani; Heri Irawan
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 01 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i01.7475

Abstract

The Handsome Barber is one of the barbershop businesses in Langsa City which was founded by Mr. Musliadi, in 2020 The Handsome Barber was established and had only been running for about 1 year, having its address at Jalan Ahmad Yani. The problems experienced by The Handsome Barber are the ups and downs of the number of customers using The Handsome Barber services every month and the planned targets are not being achieved. The aim of this research is to identify opportunities, threats, strengths, and weaknesses in The Ganteng Barber and create marketing strategies to improve the marketing system. The method used is SWOT and AHP. The results and discussion show that the company's internal and external factors identify strengths, weaknesses, opportunities, and threats with a weighted score of Strengths 0.240, Weaknesses 0.208 Opportunities 0.315, and Threats 0.237. The marketing strategy in improving the marketing system at The Ganteng Barber is the S-O (Strength-Opportunity) Strategy to maintain a quality workforce, the W-O (Weakness-Opportunity) Strategy to maintain quality and good relationships with customers, the S-T (Strength-Threat) Strategy to empower a skilled workforce Experienced and W-T (Weakness-Threat) Strategy Increasing prices must be matched with quality. The conclusion of this study is based on the SWOT analysis Cartesius diagram, The Handsome Barber is in quadrant (I) where the quadrant is a good situation for the company to take advantage of its strengths to exploit existing opportunities.
Analysis of Path Matrix Based on Precedence Diagram Using Ranked Positional Weight Method Wiki Sabardi
JURUTERA - Jurnal Umum Teknik Terapan Vol 9 No 01 (2022)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v9i01.7767

Abstract

Line balance problems are common in both the assembly and manufacturing industries. This is evidenced by the fact that some workstations have relatively high work congestion, less than Suboptimal line efficiency and non-smooth process flow this research is to: determine the line balancing by making the best path matrix based on the division of workstations. This study uses the Helgeson-Birnie method. This research resulted in design results of line efficiency of 89.16%, idle time of 2683.64, transient delay of 10.84%, smoothness index of 843.88, and 15 workstations. Based on special calculations for changes in the smoothness value, there is a decrease in the smoothness index value from 2041.72 to 843.88.
APPLICATION OF LINEAR PROGRAMMING TO MINIMIZE PRODUCTION COSTS IN SMALL AND MEDIUM SCALE CASHEW CHIPS ENTERPRISE Wiki Sabardi
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 01 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i01.7777

Abstract

Consumer demand continues to increase in the food industry, especially snacks, making companies must be able to meet market needs. Companies use various methods to ensure that the quality of their products meets consumer expectations and desires. UD Keripik Mustika is a chip company made from cassava and was founded in 2006. Keripik Mustika faces the problem of optimizing production costs. The purpose of this research is to find the optimal price in the production costs of cassava chips. The method used is Linear Programming. The results obtained in this study after using the POM-QM software were a total production cost of Rp. 252,670,000, the total inventory cost is Rp. 1,200,000, and a total Production Cost of Rp. 253,870,000.
Flexural Strength Analysis of Laminated Composites Using Clam Shell Powder and Bagasse Powder Ramadani Siregar; Zainal Arif; Muhammad Zulfri; Syamsul Bahri Widodo; Nazaruddin Abdul Rachman
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 02 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i02.8268

Abstract

Composites are materials that have specific properties based on their constituent materials. The constituent materials consist of binders and reinforcements. Reinforcing materials come from synthetic fibers and natural fibers. Natural fibers can be waste that is wasted in the environment. These wastes include bagasse waste and clam shells. These wastes are made into fibers. Resin is mixed with fiber and blowing agent, then stirred until evenly distributed and poured into the mold, resulting in a composite material. This study aims to obtain the strength of composite materials due to three-point bending loading with the laminate fiber layer method. The manufacture of this test specimen uses bagasse powder and clamshell powder formed with a casting system. This material consists of 4 layers. The first and third layers are clamshell powder, and the second and third layers are bagasse powder. The fiber sizes of the specimens are 300mesh, 400mesh, and 500mesh. The fiber fraction ratio was 10% and 15%. The models were laminated and tested for three-point bending. The best results were found in the 500 mesh fiber size specimen, with a fraction ratio of 85% resin and 15% clam shell powder and bagasse. The maximum stress obtained was 63.46 MPa and strain 0.59 mm, with a bending force of 487.42 N.
Biofuel Production Through Co-Pyrolysis Process By Utilizing Waste Raw Materials Of Palm Oil and Plastic Waste Muhammad Dimas Aditia; Amalia Harmin; Rita Syntia; Nasruddin A. Abdullah
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 01 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i01.8269

Abstract

Oil, natural gas, and coal are non-renewable fossil energy sources. The limited availability of non-renewable fossil fuels has prompted countries worldwide to develop technologies that harness energy from renewable sources. One of these renewable energy sources is biofuel, which includes bioethanol and biodiesel. Currently, the Co-Pyrolysis method has been widely developed for waste processing. The Co-Pyrolysis method aims to extract energy content from a mixture of raw materials. The varying percentage of raw material mixtures can significantly influence the resulting products. Obtaining the characteristics of raw materials, the differences in temperature distribution graphs for each percentage of the raw material mixture, and achieving optimum product yield are the objectives of the Co-Pyrolysis process. Based on the data from the heating process, it has been found that an excellent product can be obtained from heating a mixture of TKKS (30%) and PS (70%) at 500 °C for 1 hour, resulting in a product yield of 68%.
Corrosion Rate Analysis and Remaining Life Assessment of Structural Steel in Palm Oil Mill (POM) Environment at Tanjung Seumantoh Muhammad Zulfri; Nazaruddin Abdul Rahman; Andre Mahessa; Muhammad Isra
JURUTERA - Jurnal Umum Teknik Terapan Vol 10 No 01 (2023)
Publisher : Fakultas Teknik Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jurutera.v10i01.8270

Abstract

Machines are tools used to simplify work processes. Within a machine, there are several main components that form the framework for its construction. These components must possess strong qualities in order to perform their functions effectively, one of which is the use of steel. Steel is a commonly utilized material in various sectors, including factories. An example of this can be seen in palm oil mills, where numerous components such as wall pipes, generating pipes, and heat pipes are made from steel. However, steel has a tendency to corrode, which can reduce its strength and shorten the lifespan of steel components. Therefore, it is crucial to calculate the remaining life of each pipe as a preventive measure. The calculation results indicate that the remaining life of the wall pipe is approximately 32 years, while the generating pipe has around 29 years, and the heater pipe has about 11 years of remaining life. In this case, the wall pipe has the longest remaining life, whereas the heater pipe has the shortest due to its continuous exposure to heat. The purpose of this research is to analyze the corrosion rate and remaining life of components made from steel materials, such as wall pipes, generating pipes, and heat pipes, in order to prevent damage caused by corrosion in palm oil mills.

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