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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 5 Documents
 1 
Search results for , issue "Vol 9 No 02 (2022)" : 5 Documents clear
ANALYSIS OF MENTAL WORKLOAD USING THE NASA-TLX METHOD FOR PRODUCTION WORKERS AT PT. DOLOMITES PUTERA TAMIANG Meri Andriani; Ahmad Hidayat
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.v9i02.6635

Abstract

The workload is the difference between the ability of workers with job demands. If the ability of workers is higher than the demands of the job, then boredom will appear, and vice versa. The method used is the NASA TLX method, and the instrument used is the NASA-TLX questionnaire given to 16 respondents. Results and Discussion The average of the six indicators of shift 1 is an indicator of mental needs with an average value of 146.88, an indicator of physical needs with an average value of 237.5, an indicator of time needs with an average value of 140, a performance indicator with a value of an average of 119.38, an indicator of the level of effort with an average value of 247.88, an indicator of the level of frustration with an average value of 82.5. In conclusion, the mental workload level of the production workers for both shifts is included in the high workload category. The dominant indicators for the activities of the first shift workers in the production section are the level of effort indicators, indicators of physical needs, indicators of mental needs, indicators of time requirements, and performance indicators. . The dominant indicators in worker activity in Shift II in the production section are indicators of physical needs, levels of effort, indicators of time requirements, indicators of mental needs, performance indicators, and the last indicator is frustration.
PARETO DIAGRAMS STUDY OF GROSS REGIONAL DOMESTIC PRODUCT EXPOSURE IN CERTAIN SECTORS IN A REGION Ceni Febi Kurnia Sari; Supardi
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.v9i02.6643

Abstract

Study is learning scientific study. A Pareto chart is a diagram consisting of a bar graph and a line graph that illustrates a comparison of each type of problem data with its overall causes. Gross Regional Domestic Product (PDRB) is the total gross added value arising from all economic sectors in a particular area. Which is usually a Pareto Diagram made to describe the PDRB of a particular area which aims to help make regional policies or planning, evaluate development results, provide information that can describe the regional economic performance. In terms of the topic of this pareto diagram study, the author takes the exposure of rock mining in Manokwari Regency. The mining of these rocks is a source of income in the Manokwari Regency area which can support the economy in the Manokwari Regency area. Where mining activity or mining activity is a process or activity of taking material that can be extracted from the earth to the utilization of minerals, both for the benefit of the company, the surrounding community, as well as local and central government.
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.
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℃.

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