Garuda - Garba Rujukan Digital

Analisis Ketidakstabilan Beban Arus Netral dan Rugi-Rugi Daya Pada Trafo Distribusi Penyulang Pas 21 PT. PLN UPB Banda Aceh Suriadi; Sara, Ira Devi; Syuhada, Ahmad; Masri; Asri; Umurani, Khairul
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.167

This research focuses on analyzing power losses due to load imbalance in the medium-voltage distribution network in Pasar Aceh. The aim is to determine the magnitude of power losses that occur at the distribution substation in Pasar Aceh. The research method involves analysis, calculations, and simulations using the ETAP 12.6 software. The results of the analysis indicate that load imbalance in the Pasar Aceh substation leads to power losses. The Trafo Samping Pasar Aceh experiences power losses of 0.77% with a load imbalance of 16.33%. The second transformer in the BNI 46 area incurs power losses of 0.98% with a load imbalance of 30.33%, and the transformer in the BLKG KOTTY area has power losses of 1.17% with a load imbalance of 50.33%. These findings affirm that the greater the load imbalance, the higher the resulting power losses in the electrical distribution network.

Analisis Perpindahan Panas Pada Peralatan Pengering Multi Tingkat Secara Numerik Fikri, Thaharul; Syuhada, Ahmad; Thaib, Razali; Bahri, Samsul
Rekayasa Material, Manufaktur dan Energi Vol 8, No 2: JULI 2025
Publisher : Fakultas Teknik UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rmme.v8i2.25979

Drying equipment is a device commonly used to remove moisture from various materials, particularly food products, to extend their shelf life and usability. However, in multi-tier drying systems, a common issue is the non-uniform temperature distribution between levels. This problem arises due to the uneven distribution of hot gas from the fuel source, causing the temperature on racks closer to the heat source to be higher than those on upper levels. To address this issue, heat ducts and fins were added to each level. The fins serve to evenly distribute heat from the hot gas channels throughout the drying chamber. Due to the high costs associated with experimental testing, this study adopts a numerical approach. The numerical simulation is conducted using Computational Fluid Dynamics (CFD) via SOLIDWORKS 2022 to analyze fluid flow and heat transfer within the dryer. The results indicate that the nine-level dryer remains operationally efficient, with the lowest temperature difference (∆T) recorded at 1.6°C when operating at 60°C.

Analisis Ketidakstabilan Beban Arus Netral dan Rugi-Rugi Daya Pada Trafo Distribusi Penyulang Pas 21 PT. PLN UPB Banda Aceh Suriadi; Sara, Ira Devi; Syuhada, Ahmad; Masri; Asri; Umurani, Khairul
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.167

This research focuses on analyzing power losses due to load imbalance in the medium-voltage distribution network in Pasar Aceh. The aim is to determine the magnitude of power losses that occur at the distribution substation in Pasar Aceh. The research method involves analysis, calculations, and simulations using the ETAP 12.6 software. The results of the analysis indicate that load imbalance in the Pasar Aceh substation leads to power losses. The Trafo Samping Pasar Aceh experiences power losses of 0.77% with a load imbalance of 16.33%. The second transformer in the BNI 46 area incurs power losses of 0.98% with a load imbalance of 30.33%, and the transformer in the BLKG KOTTY area has power losses of 1.17% with a load imbalance of 50.33%. These findings affirm that the greater the load imbalance, the higher the resulting power losses in the electrical distribution network.

Experimental study on the effect of drying temperature on the final quality of dried fish Syuhada, Ahmad; Razali, Razali; Rizkia, Rizkia
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.v23i1.5376

The production of dried fish is a key community efforts to increase the economic value of fish in the Aceh region, with most product sold in traditional markets. To improve the community's economy, the quality of dried fish must be enhanced to meet the standards of modern markets. This research aims to improve the production system and quality of dried fish. The study examines the effect of drying temperature on the quality of dried fish by comparing two methods: constant drying temperature and gradual reduction. The constant drying temperature was set at 80°C, while the gradual reduction started at 80°C and decreased by 10°C every 2 hours until reaching 60°C. The results showed that the drying temperature significantly impacts the final quality of dried fish. Drying at a constant temperature of 80°C resulted in a harder texture and darker color of the dried fish compared to the gradual reduction method. This is due to the rapid heat and mass transfer processes causing case hardening in the fish, making its texture harder. This research provides valuable insights to improve the drying process and ensure the production of high-quality dried fish.

Pelatihan Penulisan Dan Submit Artikel Ilmiah melalui Online Journal Sisitem (OJS) Bagi Mahasiswa Akhir Program Studi Teknik Mesin Seluruh Perguruan Tinggi di Aceh Bachtiar, Dandi; Putra, T. Edisah; Zulfadhli; Akhyar; Arhami; Sari, Ratna; Syuhada, Ahmad; Thaib, Razali
Kawanad : Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 2 (2023): October
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/kjpkm.v2i2.162

The partner in this program is a collaboration with the Mechanical Students Association (HMM) of all universities studying in the Mechanical Engineering study program which is currently completing its final project in Aceh. The partner's problem is the lack of ability to write scientific articles, and, not knowing how to submit scientific articles via OJS (Oper Journal System), and the solution offered is to provide an introduction to strategies for writing scientific articles and the OJS stages in the journal publishing process, provide training in creating author accounts at OJS, providing training on submitting scientific articles through OJS, outreach on how to write scientific articles, as well as training on writing scientific articles. The results of service activities are that partners can recognize OJS and the OJS stages in the journal publishing process, partners have author accounts and can submit scientific articles to OJS, partners can write scientific articles well and correctly. Monitoring and evaluation are also carried out for the sustainability of further activities to resolve partner problems.

Analisis Ketidakstabilan Beban Arus Netral dan Rugi-Rugi Daya Pada Trafo Distribusi Penyulang Pas 21 PT. PLN UPB Banda Aceh Suriadi; Sara, Ira Devi; Syuhada, Ahmad; Masri; Asri; Umurani, Khairul
Journal of Engineering and Science Vol. 2 No. 2 (2023): July-December 2023
Publisher : Yayasan Kawanad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56347/jes.v2i2.167

This research focuses on analyzing power losses due to load imbalance in the medium-voltage distribution network in Pasar Aceh. The aim is to determine the magnitude of power losses that occur at the distribution substation in Pasar Aceh. The research method involves analysis, calculations, and simulations using the ETAP 12.6 software. The results of the analysis indicate that load imbalance in the Pasar Aceh substation leads to power losses. The Trafo Samping Pasar Aceh experiences power losses of 0.77% with a load imbalance of 16.33%. The second transformer in the BNI 46 area incurs power losses of 0.98% with a load imbalance of 30.33%, and the transformer in the BLKG KOTTY area has power losses of 1.17% with a load imbalance of 50.33%. These findings affirm that the greater the load imbalance, the higher the resulting power losses in the electrical distribution network.

Analisis Penerapan Perbup Bengkalis Nomor 81 Tahun 2019 Tentang Bumdesa Berbasis Syariah untuk Meningkatkan Kesejahteraan Masyarakat Desa Syuhada, Ahmad; Amrizal, Amrizal
Jurnal Cahaya Mandalika ISSN 2721-4796 (online) Vol. 5 No. 1 (2024)
Publisher : Institut Penelitian Dan Pengambangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jcm.v5i1.3817

Badan Usaha Milik Desa Syariah yang selanjutnya disebut BUMDesa berbadan hukum yang didirikan oleh desa dan/atau bersama desa-desa guna mengelola usaha, memanfaatkan aset, mengembangkan investasi dan produktivitas, menyediakan jasa pelayanan, dan/atau menyediakan jasa usaha lainnya untuk sebesar-besarnya kesejahteraan masyarakat desa dengan menggunakan prinsip-prinsip syariah. Tujuan dari penelitian ini adalah untuk mendeskripsikan dan mengkaji efektivitas implementasi Perbub Bengkalis Nomor 81 Tahun 2019 tentang Badan Usaha Milik Desa berbasis syariah serta perannya dalam mengatasi permasalah kesejahteraan masyarakat desa. Metode penelitian ini menggunakan kualitatif deskriptif dengan pendekatan wawancara, observasi dan sistematik literatur review yang berasal dari jurnal terkreditasi. Hasil penelitian menunjukkan bahwa efektivitas implementasi Perbup Bengkalis Nomor 81 Tahun 2019 belum efektif berlaku di seluruh BUMDesa di Kecamatan Bathin Solapan, dan belum berkontribusi menyediakan lapangan pekerjaan untuk meningkatkan kesejahteraan masyarakat desa.

ANALISIS EKSPERIMENTAL PENGARUH BELOKAN TAJAM DAN SUSUNAN PIPA TERHADAP PERPINDAHAN PANAS PADA SOLAR WATER HEATER Nasution, Muhammad Syukri; Syuhada, Ahmad; Razali, Razali
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1698

Hot water is water that has a temperature above the human body's temperature, which ranges between 37-100°C. The demand for hot water keeps increasing, especially for bathing purposes, as bathing with hot water is more comfortable and can help relax the body. Typically, hot water is obtained by boiling water using oil or wood-burning stoves and using electric water heaters, which increase household expenses. The best alternative to address this issue is to create a solar water heater. To improve the performance of a solar water heater, many researchers have conducted studies on this topic, but further improvements are still needed to achieve more optimal results. This research is conducted to test the effect of the number of sharp bends, the length of the pipe between sharp bends, and the arrangement of the pipe layout on the heat transfer that occurs in a 30 L solar water heater pipe with collector dimensions of 2.5 x 0.8 m². The variations made on the heating pipe involve varying the length of the pipe between sharp bends into three variations, namely (230, 670, 95) cm, arranged horizontally and vertically. Based on the research with an average solar radiation intensity of 790-850 W/m², the most optimal collector occurred in the variation III pipe (95 cm) with an end water temperature of 76.56°C, useful energy of 360.4333 W, solar water heater efficiency of 23.4714%, and convective heat transfer coefficient of 150.7833 W/m²K.

ANALISIS PENGARUH BENTUK LUBANG TERHADAP KARAKTERISTIK PERPINDAHAN PANAS PADA MENARA PENDINGIN TIPE PLAT DATAR BERLUBANG BERTINGKAT Mustika, Yulanda Dwi; Syuhada, Ahmad; Razali , Razali
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1699

Cooling tower is one of the most widely used cooling systems in the industrial world. A cooling tower is a series of heat exchange devices that use working fluids, such as water and air, to act as a cooling medium by coming into direct contact with the air, causing a small portion of the water to evaporate and reducing the temperature of the liquid. To enhance the performance of cooling towers, many researchers have conducted studies on this matter, but there is still room for improvement to achieve more optimal results. The objective of this research is to obtain an optimal cooling tower system by determining the convective heat transfer coefficient. With this phenomenon, the research investigates the heat transfer process that occurs on perforated plates in a flat plate-type cooling tower with an overall tower height of approximately 2.4 meters and around 5 levels of fluid distribution media. The length of each plate is 0.7 meters with a width of 0.5 meters. Variations are also made in the multi-level cooling tower design, specifically in the shape of the perforations used, including circular, triangular, and square perforation shapes, using a zig-zag outlet hole model. The perforated plate area is 0.0157 square meters for each plate, with a 15° inclination angle for each plate arrangement. The research results indicate that the highest heat transfer coefficient values occur in the multi-level cooling tower when using square-shaped plates, followed by triangular-shaped plates, while circular-shaped plates have the lowest heat transfer coefficient values. Therefore, variations in the shape of the perforations on the flat plates affect the change in temperature reduction and the heat transfer coefficient values in the performance of the multi-level cooling tower.

Characteristics of temperature uniformity system in multi-tier drying equipment with sharp turning technology afandi, dedi; Syuhada, Ahmad; razali, razali; maulana, muhammad ilham
Jurnal Polimesin Vol 22, No 2 (2024): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i2.4693

Drying is a process of heat and mass transfer that occurs on the surface and within the material to be dried. It helps reduce the internal moisture of the material, inhibiting the growth, damage, and chemical changes of microorganisms during storage, thus extending the shelf life of dry materials and improving the quality of raw materials. This study aims to test multi-level drying equipment using combustion heat with a square shape and racks inside it used as the drying space for the material. The raw material was placed on racks made of perforated metal. This research started from designing the drying equipment system, fabricating and testing system. The drying system was tested using fish and cocoa beans as sample materials. The tested equipment system included temperature distribution in the combustion chamber, distribution system of hot combustion gases through sharp turning technology, uniform temperature distribution in the drying chamber with 8 levels of racks, each capable of holding a load of 10 kg, and testing of the chimney system. The research findings concluded that to maintain a drying chamber temperature of 90⁰C, an average combustion chamber temperature of 339⁰C was required. The average combustion chamber temperature needed to maintain a drying chamber temperature of 80⁰C was 290⁰C. For a drying chamber temperature of 70⁰C, an average combustion chamber temperature of 314⁰C was required. The temperature distribution inside the drying chamber moves horizontally, indicating that the temperature distribution in the drying chamber was uniform for each drying rack.

Title

Found 66 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 66 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 66 Documents
Search