Department of Physics: Recent submissions
Now showing items 201-220 of 2673
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Pembuatan dan Karakterisasi Beton Polimer Berbasis Abu Sekam Padi dan Cangkang Kemiri dengan Menggunkan Resin Epoxy
(Universitas Sumatera Utara, 2023)Research has been carried out for the manufacture of polymer concrete by utilizing sand, rice husk ash, hazelnut shell ash and epoxy resin. The samples were prepared using a 120 mesh sieving stage, mixing the ingredients ... -
Karakterisasi Garam Lokal Aceh sebagai Kandidat Phase Change Materials (PCM) untuk Thermal Energi Storage
(Universitas Sumatera Utara, 2022)Thermal energy storage plays important role in energy system and helps in optimize the overall efficiency. Development of energy storage system for particular purposes requires some information on the raw material which ... -
Anomali Cuaca Ekstrim pada Bulan Februari 2022 terhadap Karakteristik Hujan di Kota Medan
(Universitas Sumatera Utara, 2023)Medan City is an area that experiences flooding almost every year. February is climatologically the first peak of the dry season in the North Sumatra region, but floods can still occur. In this study the authors analyzed ... -
Analisis dan Proyeksi Tingkat Kenyamanan Iklim Wisata di Kawasan Geopark Kaldera Toba
(Universitas Sumatera Utara, 2023)Caldera Toba Geopark is one of the Geoparks in Indonesia as a tourist destination that depends on natural potential to be vulnerable to climate change. Climate comfort aims to provide recommendations for the best time ... -
Pemetaan Zona Banjir ROB di Wilayah Pesisir Belawan Berdasarkan Analisis Interaksi Atmosfer dan Laut Menggunakan Model Hidrodinamika DELFT3D
(Universitas Sumatera Utara, 2023)The Delft3D Hydrodynamic Model is capable of simulating tidal floods. This study aims to map tidal floods in the port and coastal area of Belawan by analyzing the interaction between the atmosphere and significant waves. ... -
Identifikasi Karakteristik Kejadian Curah Hujan Ekstrem di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2023)This research aims to identify the spatial and temporal characteristics of extreme rainfall events in North Sumatra Province during the period between 1991 and 2020. Following the recommended rainfall parameters by WMO, ... -
Pemanfaatan Bambu dan Pasir Besi Alam (Fe3O4) dalam Pembuatan Material Magnet
(Universitas Sumatera Utara, 2023)This study aims to analyze the use of bamboo and natural iron sand (Fe3O4) as precursors in preparing a type of magnetic materials. Samples were prepared using the co-precipitation method. An amount of bamboo charcoal ... -
Sintesis dan Karakterisasi Bioplastik Polyvinyl Alcohol (PVA)/Selulosa Nanokristalin dari Serat Ijuk (Arenga Pinnata)
(Universitas Sumatera Utara, 2023)The purpose of this study is to utilize cellulose isolated from ijuk fibers as the source of nanocellulose crystalline (NCC), which would be used as filler on bioplastic polyvinvyl alcohol (PVA). To achieve NCC, ... -
Rancang Bangun Neraca Analitik untuk Kalibrasi Gelas Ukur Penakar Hujan Tipe Observatorium dengan Kontrol Massa
(Universitas Sumatera Utara, 2023)The observatory type rain gauge is a manual type rain gauge that requires a measuring cup to measure rainfall in millimeters (mm) of rain. Precise measurement requires calibration of the measuring cup so that the scale ... -
Penentuan dan Analisis Ketidakpastian Pengukuran Penakar Hujan Menggunakan Metode Monte Carlo
(Universitas Sumatera Utara, 2023)Rainfall measurements are susceptible to various sources of uncertainty that can affect measurement accuracy. Factors such as instrument calibration, weather conditions, and measurement methods contribute to measurement ... -
Pengembangan Sistem Monitoring Suhu pada Chamber Kambic dalam Proses Kalibrasi Berbasis Internet of Things
(Universitas Sumatera Utara, 2023)This research is motivated by the lack of efficiency and effectiveness of the Calibration Laboratory officers at the Regional Meteorology, Climatology, and Geophysics Center I in Medan in carrying out temperature calibration. ... -
Pengaruh Perbedaan Jenis Liquid terhadap Keseragaman dan Kestabilan Suhu pada Microbath 7102
(Universitas Sumatera Utara, 2023)Microbath Fluke Type 7102 functions in the process of calibrating thermometers that use liquid media. Liquid media in Microbath during the calibration process there is a value of temperature uniformity and stability. The ... -
Model Kecepatan Seismik 1-Dimensi dan Ground Motion Gempa Bumi Tarutung 2022 M5,8
(Universitas Sumatera Utara, 2023)On 01st October 2022, a strong earthquake with a magnitude of Mw5.8 occurred in the northern region of Tarutung, causing significant damages and strongly felt by the local community. Initially, the Tarutung earthquake was ... -
Investigasi Tektonik Tarutung Berdasarkan Mekanisme Fokal dan Kelurusan Distribusi Gempa yang Akurat
(Universitas Sumatera Utara, 2023)On October 1st, 2022, the Mw 5.8 shallow earthquake occurred in the Tarutung region, North Sumatra, Indonesia, resulting in V – VI Modified Mercalli Intensity (MMI) scale, followed by 170 aftershocks and extensive damages. ... -
Analisis Plastik Biodegradable Berbahan Pati Temu Hitam-Kitosan dengan Penambahan Plasticizer Sorbitol
(Universitas Sumatera Utara, 2023)Biodegradable plastic made from curcuma aeruginosa roxb. rhizome starch-chitosan with the addition of sorbitol plasticizer is made by mixing curcuma aeruginosa roxb starch matrix, sorbitol as a plasticizer, and chitosan ... -
Estimasi Curah Hujan Bulanan Berbasis Machine Learning dalam Mendukung Ketahanan Pangan di Sumatera Utara
(Universitas Sumatera Utara, 2023)The monthly pattern of rainfalls in North Sumatra region is affected by various factors of global climate events, including El-Nino Southern Oscillation (ENSO), Indian Ocean Dipole (IOD) dan Madden Julian Oscillation (MJO). ... -
Uji Akurasi Produk dan Relasi Z-R Radar Cuaca dalam Estimasi Curah Hujan di Sumatera Utara untuk Masing-Masing Jenis Hujan
(Universitas Sumatera Utara, 2023)To reduce the impact of hydrometerological disasters, a research is needed in estimating rainfall. Weather radar is a type of remote sensing used in the field of meteorology to determine atmospheric conditions, measure ... -
Pengembangan dan Karakterisasi Alat Ukur Konduktivitas dan Aplikasinya pada Limbah Minyak Nabati Menggunakan Metode Wenner
(Universitas Sumatera Utara, 2023)The purpose of this study is the development of conductometer and its application in plant-based oil via Wenner method as an early preventive step in reducing environmental damage due to plant-based oil byproduct, such as ... -
Analisis Dinamika Atmosfer Saat Fenomena Tailwind dan Crosswind di Landas Pacu Bandar Udara Kualanamu
(Universitas Sumatera Utara, 2023)There are three wind components in aviation, i.e., headwind, tailwind and crosswind. The tailwind and crosswind can negatively impact the aircraft. Based on the Indonesia Air Navigation report, several events of tailwind ... -
Pengaruh Konsentrasi Naoh terhadap Kapasitas Adsorbsi Ion Logam Berat pada Sintesis Magnesium Ferrite sebagai Adsorben
(Universitas Sumatera Utara, 2023)MgFe2O4 has been successfully synthesized using the co-precipitation method. The synthesis of this material was prepared by mixing MgCl2.6H2O, iron sand, HCl, and varying concentrations of NaOH, namely 5M (K1), 10M (K2), ...