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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Sprocket : Journal of Mechanical Engineering Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Journal of Innovation Research and Knowledge Jurnal Polimesin
siwan edi amanta Perangin angin
Universitas HKBP Nommensen
Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Experimental Test of the Effect of PCM Volume as Thermal Energy Storage Solar Power in Solar Cooking Units Napitupulu, Richard A.M.; Peranginangin, Siwan E.A.; Siagian, Parulian
Jurnal Polimesin Vol 21, No 5 (2023): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i5.4266

Abstract

One solution that can be taken to reduce GHG emissions is to reduce consumption of fossil fuels and replace them with renewable energy sources. Indonesia is rich in renewable energy sources, and one that has potential to be developed is solar energy. In line with Indonesia's development into a developed country, energy consumption is increasing. One of the activities that contributes to the largest energy use is cooking. The need for energy for cooking in Indonesia is large because the population and households are very large, No. 4 in the world. Solar Cooker is an alternative to reduce the use of fossil or traditional energy for cooking activities. Previous research has shown how the performance of a Solar Cooker can be improved if it is integrated with PCM thermal energy storage, making it possible to speed up cooking time, cook with low solar intensity and even make it possible to cook at night. However, the quantitative influence of the number of PCMs in a solar cooker has not been specifically explained or studied. A low quantity of PCM results in reduced performance, while a high quantity will increase the thermal load, and thus overheating. This research tested 4 units of Simple Tube type Solar Cooker with different quantities of PCM for each unit. From the results of testing the Solar Cooker with the PCM thermal Energy Storage TEST with variations in PCM volume, it showed performance in storing heat for longer even in conditions of high rainfall day and night conditions. This is shown from all observation results during the 6 days of the experiment. As evidenced by the low ambient air temperature and high humidity, especially at night, the temperature drop in the cooking vessel water is quite low. This applies to every variant. From the experimental results, it can also be seen that variants number 1 and 3, especially number 3, have quite good performance, in absorbing heat and storing heat with an outer diameter of 350 mm
Impact of a dual-axis solar tracker and reflector glass on the performance of a 100Wp photovoltaic panel Siagian, Parulian; Peranginangin, SIWAN B; Kusuma, Budhi Santri; Sianturi, Roy Lamrun
Jurnal Polimesin Vol 23, No 1 (2025): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i1.5288

Abstract

Solar radiation varies by region, and photovoltaic (PV) panels typically achieve a maximum efficiency of 21%. This study examines the impact of a dual-axis solar tracker and 5mm reflector glass on the performance of a 100Wp photovoltaic system. The experiment was conducted for three days in September, involved placing reflector glass perpendicular to incoming sunlight to enhance light capture and thermal efficiency. Results showed that the system achieved a maximum efficiency of 19.31% at 10:00 AM on Day 2, with a peak power output of 31.08 W under an irradiance of 595.26 W/m². The lowest efficiency of 4.26% occurred at 8:15 AM on Day 3. The highest recorded temperature was 36.6°C, while the lowest was 30.4°C. The findings suggest that using a dual-axis tracker with reflector glass can improve PV panel efficiency and power generation by optimizing incident radiation and heat distribution
Performance Analysis of a 2-Liter Solar Cooker with Comparison of Aluminum and Stainless Steel Containers Perangin angin, siwan edi amanta; Napitupulu, Richard
Jurnal Polimesin Vol 22, No 6 (2024): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i6.5720

Abstract

The utilization of solar energy can be applied to household needs, such as using electric stoves. Solar panels serve as a tool for converting heat into electricity, which is then used to power solar cookers as a substitute for LPG-powered stoves. This study was conducted at the Faculty of Engineering, HKBP Nommensen University, located at Jl. Sutomo No.4A Medan, North Sumatra. The objective of the study is to compare the performance of a solar cooker PV DC system with an aluminium cooking container to a Solar Cooker with a stainless steel cooking container, focusing on differences in the rate of temperature increase. The test results show that aluminium containers are better at conducting heat than stainless steel. For instance, when cooking 2 liters of water, the temperature increase rate in an aluminum container is 1.01°C per minute, compared to 0.91°C per minute in stainless steel. The thermal conductivity of aluminium is around 205 W/m°C with a density of about 2.7 g/cm³, while stainless steel has a thermal conductivity of only 15–25 W/m°C and a density of approximately 7.8 g/cm³. The highest average solar radiation during the test was 424.1 W/m². The solar cooker was able to cook potatoes to a normal level in 48 minutes, from 14:26 to 15:13 on August 3, 2024, reaching a final temperature of 100.1°C, under the lowest average radiation of 216.22 W/m². In another test, 104 grams of potatoes were cooked in 35 minutes, with the temperature increasing at a rate of 1.62°C per minute in the aluminium container, reaching a final temperature of 103°C. In contrast, the stainless steel container had a rate of 1.31°C per minute and reached a final temperature of 91.3°C.The test also showed that battery voltage has a significant impact on cooking efficiency, as it affects the power needed for cooking materials, such as water.
Co-Authors Andi Nugroho, Andi Budhi Santri Kusuma Manurung, Charles S.P. Manurung, Maruba Nababan, Wilson S Nababan, Wilson Sabastian Naibaho, Winfrontstein Napitupulu, Richard Napitupulu, Richard A M Napitupulu, Richard Alfonso Olivia L. E. Tomasowa Purba, John Sufriadi Purba, Luki Hariando Richard A M Napitupulu Samosir, Shandy Arion Pratama Setyawan, Eko Yohanes Siagian, Parulian Sianturi, Roy Lamrun Sibarani, Michael Sihaloho, Wandipu P Sihombing, Suriady Tampubolon, Hendra Ricardo Welhelmina Ballo , Fransina