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All Journal LONTAR Jurnal Teknik Mesin Undana (LJTMU ) PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Polimesin
Ben Vasco Tarigan
Jurusan Teknik Mesin, Fakultas Sains dan Teknik, Universitas Nusa Cendana
Agriculture, Biological Sciences & Forestry Automotive Engineering Control & Systems Engineering Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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Pengaruh Penggunaan Sistem Sekat Dalam Box Portable Atmospheric Water Generator Terhadap Unjuk Kerja Produksi Air, Efisiensi, COP, Pawg Sistem Alami Suparlan, Maria D.C.; Jafri, Muhamad; TARIGAN, Ben Vasco
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 10 No 02 (2023): Oktober 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/ljtmu.v10i02.13275

Abstract

2.1 billion people can’t have access to water, and 4.5 billion with insufficient sanitation or clean water sources. While water is extremely useful for everyday, such as washing, cooking, bathing etc. So fulfillment of water needs must balanced with increase the addition of population can be fulfilled. this study, was carried out experimentally by testing on 2 variations media, media test with insulation and media test without insulation, at 30 minutes intervals, temperature was measured in box to identify factors affect condensation process at several points. Obtained from research analyze effect using partition system on PAWG indications for water production, efficiency, COP, natural PAWG systems for fresh water production within 24 hours from 2 variations of media and maximum Coefficient of Performance. Water amount production for 24 hour, the variation of media with changes in temperature and good COP is found in variation media with insulation, the highest temperature is 36.750C, the humidity value 66.3% and COP value 0.230769 and amount water production is 16 ml, and temperature change in variation of media without insulation with the highest temperature is 39.50C, humidity is 65.4% with a COP value 0.02 and the amount of water production is 12 ml.
Penggunaaan bahan alami briket arang kayu sebagai penyerap dan penyimpan kalor solar still desalinasi interfasial Jafri, Muhamad; Alfarisi, Figo Jafri; Tarigan, Ben Vasco
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 11 No 02 (2024): Oktober 2024
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/ljtmu.v11i02.18042

Abstract

Considering that solar energy is unlimited, it is hoped that the solar still distillation method can be used in remote and poor areas without pollution and excessive consumption of fossil fuel materials. In this research, charcoal from dried Kusambi (Schleichera Oleosa) coded SO_W is used as a carbon-based heat absorbing and storing material, which has porous characteristics and high energy absorption so that it forms a wider surface for radiation and convection. The experiment was carried out in 4 basins using Styrofoam containing charcoal briquettes with a cross-section of 4, 6, and 8 sections with different sizes and areas in 1 absorber section for 8 hours under sunlight. Basins without charcoal were also tested as a comparison. Temperature is measured at several points in the basin to identify factors influencing evaporation. The results of the research show that adding heat-absorbing material to the basin can accelerate seawater to reach its boiling point so that it can evaporate (evaporation). Temperature and humidity in each basin also have similar changing trends where temperature is strongly influenced by solar radiation. The use of charcoal briquettes can also increase the rate of convection and evaporation heat transfer in the basin, as well as maximum efficiency in basin 2 with a variation of 6 plots of 39.97%, followed by a variation of 4 plots in basin 1 of 38.32%, and a variation of 8 plots in basin 3 it was 37.59%. Meanwhile, in basin 4 with the variation without charcoal, the efficiency was 34.96%.
Pelatihan Peregangan dan Penerapan Teknologi Alat Pemintal Ergonomis pada Penenun Tradisional di Desa Boti: Stretching Training and Application of Ergonomic Spinner Technology in Traditional Weavers in Boti Village Ndun, Helga Jillvera Nathalia; Berek, Noorce Christiani; Littik, Serli K. A.; Dodo, Dominirsep Ovidius; Tarigan, Ben Vasco
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 6 (2024): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v9i6.6729

Abstract

Traditional weavers are prone to musculoskeletal complaints. Yarn spinning, one of the weaving stages, can increase the risk of these complaints due to the bent sitting position, long periods with the hands raised, and repetitive work. Lack of stretching and limited technology for yarn spinning are issues found among weavers at Boti Village. This community service aims to increase knowledge and ability to stretch and apply alternative spinning tools to help weavers in spinning. Activities included stretching-related education and demonstration and assistance in using the tool. The activity results showed an increase in the ability of all weavers to practice stretching (40% in the moderate category and 60% in the good category). A poster containing 14 movements was given to weavers as a reminder to stretch. Weavers have tested the spinning tool but still need further assistance and regular use to improve the spinning efficiency.
Effect of tubular-typed charcoal height variations on efficiency in passive interfacial solar desalination Pardiono, Tri Ramadhani; Jafri, Muhamad; Tarigan, Ben Vasco
Jurnal Polimesin Vol 22, No 3 (2024): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i3.4890

Abstract

Passive solar desalination is a process of reducing the salt content of salt water to produce fresh water by utilizing solar heat. In recent years, interfacial heating has been proposed as an alternative to evaporation by creating localized heat on the water surface. Charcoal is an absorbent, heat storage, and wettability material, so the evaporation process not only occurs on the surface of seawater but also on the surface of the charcoal, which results from this wettability. The height of the charcoal indicates the distance the steam travels to reach the glass surface for the condensation process, thereby speeding up evaporation. The experiment was carried out in 4 single-slope-type basins using tubes filled with charcoal as high as 30, 40, and 50 mm for 8 hours in the sun. The results showed that adding heat-absorbing material to the basin was able to accelerate seawater to reach its boiling point so that it could evaporate. The temperature and humidity in each basin also have a similar changing trend where temperature is strongly influenced by solar radiation. The use of charcoal can also increase the rate of convection and evaporation heat transfer in the basin, as well as the maximum efficiency in basin 4 with an efficiency value of 56.40%, basin 2 at 53.17%, basin 3 at 51.62%, and basin 1 44.17%. Efficiency is obtained from the desalination efficiency equation, namely the ratio of the latent heat of vaporization to the solar energy entering the system
Co-Authors Alfarisi, Figo Jafri Dodo, Dominirsep Ovidius Helga Jilvera Nathalia Ndun Muhamad Jafri Noorce Christiani Berek Pardiono, Tri Ramadhani Serlie K.A. Littik Suparlan, Maria D.C.