Master Theses
Master Theses
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Now showing items 61-80 of 307
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Metalografi Transformasi Baja Mangan (Fe Mn) pada Kondisi Pendinginan Media Udara
(Universitas Sumatera Utara, 2007)Hadfield steel used for railroad tracks was investigated for microstructural changes due to an aging treatment regime. The steel was subjected to solution treatment by heating at a temperature of 1000°C-1090°C and then ... -
Analisis Simulasi Pengaruh Cuaca terhadap Model Perubahan Energi Angin di Pulau Nias
(Universitas Sumatera Utara, 2015)The study has been conducted on the effects of weather on the analysis simulation model of wind energy changes on the Nias island during the years 2009 to 2013. This study aims to determine the shape and size of the value ... -
Kajian Pasang Surut, Gelombang, dan Swell pada Saat Kejadian Banjir Rob di Belawan
(Universitas Sumatera Utara, 2021)One of the high risk area for tidal flood is Belawan. Tidal flood in Belawan occur due to the interaction of tides, significant wave, and swell that influence each other. A tidal flood is the inundation of sea water ... -
Perancangan Alat Electrospinning dengan Flyback Sebagai Catu Daya Tegangan Tinggi Untuk Pembuatan Serat Nano
(Universitas Sumatera Utara, 2022)In this research, the manufacture of an electrospinning device has been successfully carried out using a power supply as a DC voltage source, ATmega 328, Flyback as a high voltage power supply and a stepper motor as a ... -
Sintesis Karbon dari Tulang Ikan Tuna Sirip Kuning untuk Mengurangi Logam Besi (Fe) pada Air Sumur
(Universitas Sumatera Utara, 2022)Performance of tuna fishbone waste as carbon to remove iron (Fe) metal from well water was studied. The parameters of carbon synthesis were set by varying the carbonization temperature of 300o, 400o and 500oC. Fishbone ... -
Sintesis Karbon dari Tulang Ikan Tuna Sirip Kuning untuk Mengurangi Logam Besi (Fe) pada Air Sumur
(Universitas Sumatera Utara, 2022)Performance of tuna fishbone waste as carbon to remove iron (Fe) metal from well water was studied. The parameters of carbon synthesis were set by varying the carbonization temperature of 300o, 400o and 500oC. Fishbone ... -
Menganalisa Kekuatan Keramik Berbahan Clay, Abu Gunung Kelud, Air Laut dan Air Tawar
(Universitas Sumatera Utara, 2021)Clay-based ceramics with nano-crystal structure and mechanical strength are quite promising to be applied in the construction field. Variations in the composition of Mount Sinabung ash and aquades or seawater solvents on ... -
Sintesis Karbon Dots dari Jus Asam Belimbing Wuluh (Averrhoa Bilimbi L.) dengan Metode Hidrotermal dan Aplikasi Pada Pendeteksi Ion Logam Zn2+, Fe3+, Hg2+
(Universitas Sumatera Utara, 2021)Carbon dots (C-dots), a carbon allotrope nanomaterial, have been widely used in various applications, such as sensing metal ions. However, the synthesis of the C-dots with sensing characteristics is influenced by two ... -
Pengaturan Daya Berdasarkan Beban Menggunakan Kontrol PWM pada Sistem Konveyor
(Universitas Sumatera Utara, 2022)Conveyor equipment has been a part of industrial activity for a long time, especially in material handling. The advantages of the conveyors that have been successfully designed in this study are in the power regulation ... -
Analisa Metal Foam (Coating dan Tanpa Coating) sebagai Wick Structure pada Heat Pipe Silinder
(Universitas Sumatera Utara, 2022)In this paper, the commercial metal foams were analyzed and characterized to be used as the wick structure in a cylindrical heat pipe, where ferrofluid was used as the working liquid. The surface modifications of the ... -
Pembuatan dan Karakterisasi Aspal Modifikasi Polimer Berbasis Karet Alam Cair dengan Menggunakan Metode Wet Mixing
(Universitas Sumatera Utara, 2022)Polymer modified asphalt based on liquid natural rubber has been successfully prepared through wet mixing technique with 2 types of variables, namely the amount of liquid natural rubber and the mixing time between the two. ... -
Sintesis dan Karakterisasi Bahan Media Filter dari Cangkang Kulit Telur untuk Pengolahan WWTP (Waste Water Treatment Plant) di PDAM Tirtanadi Medan
(Universitas Sumatera Utara, 2021)The CaCO3 synthesized from chicken egg shells has been successfully carried out. Wastewater originating from households, trade and offices is obtained from the Wastewater Treatment Plant of PDAM Tirtanadi Medan. CaCO3 ... -
Rancangan Buck-Boost Converter sebagai Charger Baterai pada Penggunaan Daya AC Berbasis Solar Cell 20 W
(Universitas Sumatera Utara, 2021)Telah di rancang sebuah sistem pengisian baterai otomatis dengan metode Buck- Boost Converter (BBC) berbasis solar cell 20W yang memiliki ouput daya AC. Tujuan dari penelitian ini adalah untuk membuat sistem pengisian ... -
Analisis Coulomb Stress Gempa Bumi Halmahera Barat MW=7,2 terhadap Aktivitas Vulkanik Gunung Soputan dan Gunung Gamalama
(Universitas Sumatera Utara, 2016)West Halmahera is the meeting place of three plates, namely the Indo-Australian plate, the Eurasian plate, and the Pasific plate. The location of the West Halmahera is located in the thress plates, so the Western ... -
Karet Lembaran yang Terbuat dari Campuran Serbuk Ban Bekas dan Karet Alam yang Disetarakan dengan SIR-20 untuk Pembuatan Bahan Sol Sepatu Olahraga
(Universitas Sumatera Utara, 2014)It has been done about the study of waste tires powder processing as a filler on making shoe sole. On the research it has been found the vulcanizate technical on natural rubber of shoe sole by using waste tires powder and ... -
Pemanfaatan Serbuk Ban Bekas sebagai Bahan Isian Karet Lembaran
(Universitas Sumatera Utara, 2015)A study concerning of the production and testing of mechanical rubber sheet. This study was conducted by research of method for mechanical testing of rubber sheet in order to utilize the powder tire as filler 40%, 45%, ... -
Pembuatan dan Karakterisasi Komposit Tip Blok terbuat dari Sisa Potongan Kayu Sembarang dan Tripleks sebagai Pengapit dengan Menggunakan Perekat Resin Epoksi dan Fox
(Universitas Sumatera Utara, 2013)A study concerning the development of the making of composite tip blocks that aims to meet the increasing demand for wood and to utilize the pieces of wood waste and defective triplex. The raw material of composite tip ... -
Efek Metil Ester Minyak Jarak Pagar dengan Dimetil Ester Turunan Oleat terhadap Performansi dan Emisi Gas Buang dari Mesin Diesel
(Universitas Sumatera Utara, 2013)This research has been conducted to study the effect of castor oil methyl esters with oleic acid dimethyl ester derivative of the performance and exhaust emissions from diesel engines. For comparison is pertadex diesel ... -
Pemanfaatan Limbah Serbuk Besi sebagai Bahan Campuran Penstabil Tanah (Soil Stabilizer) pada Tanah Liat (Clay
(Universitas Sumatera Utara, 2015)Has conducted research by utilizing waste iron powder that is added to the soil stabilizer consisting of portland cement type I, PVC powder and polypropylene fiber. From the results of testing the characteristics of clay ... -
Pengaruh Penambahan Fe terhadap Sifat Fisis dan Magnetik dari Barium Heksaferit (BaFe12O19)
(Universitas Sumatera Utara, 2014)Has been syntesis permanent magnet barium hexaferrite (BaFe12-O19)) by the addition of Fe particle through the integration of mechanical alloying using shacker mill with 20 hour milling time. Variables research is ...
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