Department of Physics: Recent submissions
Now showing items 121-140 of 2643
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Analisa Pengaruh Variasi Lapisan Papan Komposit Sandwich dari Limbah Sabut Kelapa Muda dan Cangkang Kerang Darah terhadap Sifat Fisik, Mekanik, dan Akustik
(Universitas Sumatera Utara, 2023)This research was conducted to determine the effect of variations in the layers of sandwich composite boards from coconut coir fibre waste and blood clam shells on physical, mechanical, and acoustic properties as one of ... -
Analisa Pengaruh Panjang Gelombang dan Waktu Iradiasi Laser terhadap Pertumbuhan Jamur Curvularia sp pada Tanaman Bibit Kelapa Sawit
(Universitas Sumatera Utara, 2023)This research aims to analyze the influence of wavelength and laser irradiation time on the growth of Curvularia sp. fungus in oil palm seedlings. Curvularia sp. fungus is one of the main causes of diseases in oil palm ... -
Prototipe Sistem Monitoring Arus dan Tegangan Berbasis Internet of Things yang Diaplikasikan pada Catu Daya PLC
(Universitas Sumatera Utara, 2023)The design of current and voltage monitoring system based on IoT application on PLC power supply has been successfully designed by using Voltage sensor, ACS712 Current sensor, Arduino Uno, NodeMCU8266 and Blynk application. ... -
Pembuatan dan Karakterisasi Beton Polimer dari Serbuk Cangkang Telur Bebek dan Serat Buah Pinang dengan Resin Epoksi
(Universitas Sumatera Utara, 2023)This research has been conducted on the manufacture of polymer concrete based on duck eggshell powder and areca nut fiber with epoxy resin adhesive with characterization of physical properties including density test, ... -
Rancang Bangun Sistem Automatic Power Control (APC) untuk Dioda Laser sebagai Sumber Cahaya
(Universitas Sumatera Utara, 2023)The scope of applications in the development of optoelectronic instrumentation, especially laser diodes, is very broad, such as measurement tools, remote control systems, telecommunications systems, medical equipment, ... -
Pengukuran Laju Paparan Radiasi dan Efektivitas Perisai Radiasi pada Ruang CT-Scan di RSUD. Dr. Pirngadi Kota Medan
(Universitas Sumatera Utara, 2023)Research has been carried out on the measurement of radiation exposure rate and effectiveness of radiation shielding in the CT - Scan room using a Babyline Surveymeter. It aims to determine the radiation exposure rate ... -
Pelapisan Magnetit pada Tembaga Menggunakan Electrophoretic Deposition untuk Aplikasi Heat Pipe
(Universitas Sumatera Utara, 2023)In this research, the synthesis of magnetite nanofluid was conducted as a suspension for coating copper using the Electrophoretic deposition method with voltage variations of 15, 20, 25, and 30 volts. The variations included ... -
Perbandingan Energi Terkumpul dari Solar Tracker dan Panel Statis 40 WP Berbasis ATMega328
(Universitas Sumatera Utara, 2023)This experiment aimed to evaluate the energi efficiency of a solar tracking panel compared to a ground-fixed solar panel. A 40 WP solar panel equipped with a time-tracking mechanism was used to monitor the sun's movement ... -
Rancang Bangun Sistem Counter Pengunjung Berdasarkan Kapasitas Ruangan Menggunakan Sensor Infrared, Sensor Suhu, dan Servo Motor Berbasis Mikrokontroler Wemos D1R1
(Universitas Sumatera Utara, 2023)Post-public outbreaks are still limited and regulated by several health protocols to avoid the rapid and wide spread of the virus. One of the protocols is to limit crowds or density, especially in closed spaces. Based on ... -
Karakterisasi Kekeringan Meteorologis dengan Metode Standardized Precipitation Index dan Standardized Precipitation Evapotranspiration Index di Sumatera Utara
(Universitas Sumatera Utara, 2023)A drought index is utilized to identify and illustrate the level of drought in a region, the method used in this research is the Standardized Precipitation Index and Standardized Precipitation Evapotranspiration Index ... -
Pengembangan Klasifikasi dan Identifikasi Jenis Daging Menggunakan Deret Sensor dan Jaring Saraf Tiruan (JST)
(Universitas Sumatera Utara, 2023)Chicken, beef, and lamb are classified based on the distinctive aroma of the meat determined using an electronic nose consisting of a series of sensors with six pieces. This electronic nose also comprises a Conducting ... -
Degradasi Pewarna Tekstil dengan Nanokomposit Cu2O/ZnO/GO melalui Metode Fotokatalisis sebagai Bahan Pengolahan Air Limbah
(Universitas Sumatera Utara, 2023)The development of the textile industry that requires dyes such as Methylene Blue (MB) is very rapid, where MB is very dangerous for human health which can cause irritation to the skin, respiratory tract and the danger ... -
Modifikasi Aspal Berbahan Serbuk Karet Ban Bekas dan Plastik Daur Ulang Polietilena Menggunakan Polimer Reaktif NR-g-MA dan PE-g-MA sebagai Bahan Penyerasi
(Universitas Sumatera Utara, 2024)The main objective of this research is to improve the quality of binder asphalt by adding polymer and reactive polymer as compatibilizer agents to improve asphalt-polymer miscibility. The use of polymer asphalt has been ... -
Pengukuran Medan Listrik di Bawah Saluran Transmisi 150 KVdan Perhitungan dengan Menggunakan Metode Bayangan Kompleks
(Universitas Sumatera Utara, 2023)High voltage and current flowing in the transmission line can cause an electric field. The calculation of electric field strength in high voltage airways will certainly be difficult if done manually, therefore calculating ... -
Pengukuran Medan Listrik di Bawah Saluran Transmisi 150 KV dan Perhitungan dengan Menggunakan Metode Bayangan Kompleks
(Universitas Sumatera Utara, 2023)High voltage and current flowing in the transmission line can cause an electric field. The calculation of electric field strength in high voltage airways will certainly be difficult if done manually, therefore calculating ... -
Pembuatan dan Karakterisasi Sampel Beton Polimer Berbahan Dasar Serat Pelepah Kelapa Sawit (Elaeis) dan Serbuk Kayu dengan Perekat Resin Epoxy
(Universitas Sumatera Utara, 2023)The research has been done on manufacturing of polymer concrete which has made from sand, sawdust, waste of palm frond fiber(elaeis) and epoxy resin. Manufacture of sample was made by sieving sand and sawdust using a 100 ... -
Pengukuran Medan Listrik di Bawah Saluran Transmisi 150 KV dan Perhitungan dengan Menggunakan Metode Bayangan Kompleks
(Universitas Sumatera Utara, 2023)High voltage and current flowing in the transmission line can cause an electric field. The calculation of electric field strength in high voltage airways will certainly be difficult if done manually, therefore calculating ... -
Pembuatan Dan Karakterisasi Sampel Beton Polimer Berbahan Dasar Serat Pelepah Kelapa Sawit (Elaeis) dan Serbuk Kayu dengan Perekat Resin Epoxy
(Universitas Sumatera Utara, 2023)The research has been done on manufacturing of polymer concrete which has made from sand, sawdust, waste of palm frond fiber(elaeis) and epoxy resin. Manufacture of sample was made by sieving sand and sawdust using a 100 ... -
Penggunaan Limbah Sekam Padi dan Pasir Besi sebagai Bahan Magnet Permanen
(Universitas Sumatera Utara, 2023)The preparation of rice husk waste and iron sand as a permanent magnet material using the Solid State Reaction method has been successfully carried out. Preparation of samples of rice husk waste and iron sand with a ... -
Pemanfaatan Serbuk Cangkang Kelapa Sawit dan Serat Cangkang Kulit Kopi dalam Pembuatan Beton Polymer dengan Resin Epoxy sebagai Perekat
(Universitas Sumatera Utara, 2023)Research has been carried out on polymer concrete using palm oil shell powder, coffee shell fiber, with epoxy resin. This research aims to determine the effect of adding palm oil shell powder and coffee shell fiber on the ...