Undergraduate Theses
Undergraduate Theses
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Now showing items 221-240 of 903
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Analisis Heat Loss pada Air Preheater dan pengaruh terhadap Efisiensi Boiler Circulating Fluidized Bed (Cfb)
(Universitas Sumatera Utara, 2023)A tubular air preheater plays an important role to increase the efficiency of circulating fluidized bed (CFB) boiler. But after several years of operation, in Tenayan Steam Power Plant there was a leak in the air preheater. ... -
Analisa Kegagalan pada Pipa Superheater Boiler dengan Pengujian Sifat Mekanis dan Pengujian Laju Korosi
(Universitas Sumatera Utara, 2023)Superheater is a subcritical boiler component that functions to reheat saturated steam at constant working pressure so that it becomes saturated steam. This study aims to (1) analyze failures in superheaters, (2) test ... -
178f dengan Variasi Bahan Bakar Bio Solar, Dexlite dan Pertamina Dex
(Universitas Sumatera Utara, 2023)Worldwide consumption of petroleum and other liquids has increased from 93.81 million barrels per day (in 2015) to 96.78 million barrels per day (2017).With the condition that the availability of fossil energy is dwindling, ... -
Analisa Kegagalan dan Proses Heat Treatment Pisau Digester Pengolahan Minyak Kelapa Sawit dengan Pengujian Sifat Mekanis
(Universitas Sumatera Utara, 2023)Digester is a machine in a palm oil mill where the machine functions to pulverize palm fruit using a digester knife. This study aims to (1) analyze the failure of problems that occur in digester knives, (2) test the ... -
Analisa Beban Pendingin Ruangan Uji Pada Sistem Alat Penukar Kalor Udara Tanah Rangkaian Pipa Seri
(Universitas Sumatera Utara, 2023)Currently, the development of the era has done many methods to save energy on this earth. One of them is passive cooling treatment in a room. The method used in this experiment is to use a solar collector and EAHE (Earth ... -
Karakteristik Pembakaran Bersama (Co-Firing) Batu Bara dan Serat Kelapa Sawit terhadap Pembentukan Slagging
(Universitas Sumatera Utara, 2022)Indonesia's energy needs are dominated by the use of fossil fuels whose energy is non-renewable and the process of its formation takes millions of years. The decreasing reserves of fossil energy on earth, especially in ... -
Perancangan dan Pembuatan Pulley Material Alluminium Alloy dengan Metode Vertical Centrifugal Casting
(Universitas Sumatera Utara, 2023)This research was conducted to design and manufacture pulley prints used for vertical centrifugal laboratory-scale casting. The cor products are made of pulleys made of aluminum with variations of Si of 20%, 25%, and ... -
Studi Eksperimental Pengaruh Jarak Tempuh Roda terhadap Perilaku Keseimbangan Roda Mobil pada Proses Balancing
(Universitas Sumatera Utara, 2022)Technological advances that have penetrated the automotive world encourage humans to always study science and technology. Especially on the wheels and tires. The wheel system if not balanced can pose a danger in driving. ... -
Studi Eksperimental Pengaruh Variasi Campuran Si terhadap Sifat Mekanis dan Mikrostruktur Alumunium Menggunakan Horizontal Centrifugal Casting
(Universitas Sumatera Utara, 2023)The problem that local aluminum cylinder casting craftsmen often face is the number of casting defects caused by the gravity casting methods that are still used in the casting process. Various maximum developments have ... -
Pengaturan PID (Proportional, Integral and Derivative) terhadap Suhu Hotend pada Mesin 3D Printer Anet ET4 Plus Menggunakan Material PLA+
(Universitas Sumatera Utara, 2023)3D printing technology is one of the additive manufacturing processes that is starting to be widely used in Indonesia today. This technology's ability to create various forms of design into three-dimensional visuals makes ... -
Studi Pengaruh Penambahan Silikon Karbida (SiC) pada Paduan Al-Cu-Mg terhadap Sifat Mekanis dan Struktur Mikro dengan Metode Metalurgi Serbuk
(Universitas Sumatera Utara, 2023)Materials science and technology is the application of technology regarding the relationship between metal composition and processing, with properties and uses that are in accordance with existing needs and demands. Aluminums ... -
Pengaruh Artificial Aging terhadap Struktur Mikro dan Sifat Mekanik Komposit Al-4,5Cu-0,5Mg-2SiC dengan Proses Metalurgi Serbuk
(Universitas Sumatera Utara, 2023)Aluminum in the form of an alloy is a type of aluminum that is used quite a lot today. All types of aluminum alloys contain two or more chemical elements that can affect the mechanical properties of the alloy. In this ... -
Analisis Penyerapan Energi dan Pola Deformasi pada Crash Box dengan Sudut Tirus Dinding dan Trigger Circles dalam Pembebanan Quasi-Static
(Universitas Sumatera Utara, 2023)Crash box is a passive safety system that is used to reduce the severity of accidents experienced by passengers or vital vehicle parts due to collisions. This study examines the effect of variations in the tapered wall ... -
Studi Pengaruh Komposisi Magnesium terhadap Sifat Mekanik Hasil Sintesis Paduan Al-4,5Cu-Mg Menggunakan Teknik Metalurgi Serbuk
(Universitas Sumatera Utara, 2022)The production of aluminum alloys through powder metallurgy processes is capable of producing products that have good size accuracy and material composition uniformity. Al-4.5Cu-Mg alloy belongs to the type 2xxx of ... -
Studi Perbandingan Kekuatan Tarik pada Pengelasan Plat Baja St 40 Tebal 3 mm dengan Pengelasan Busur Listrik Menggunakan Arus 120 A dan 140 A
(Universitas Sumatera Utara, 2010)Studi kekuatan tarik pada sambungan las telah dilakukan pada pelat baja St 40 tebal 3 mm dengan pengelasan busur listrik menggunakan arus 120 A dan 140 A. tujuan studi ini adalah menguji kekuatan tarik dan pada akhirnya ... -
Pemilihan Bahan pada Rancangan Dapur Crucible untuk Peleburan Alumunium dengan Kapasitas 30 KG
(Universitas Sumatera Utara, 2010)Perkembangan teknologi dewasa ini dapat memungkinkan ilmu pengetahuan berkembang dengan pesat, dilain pihak teknologi akan berfungsi dan berkembang lebih jauh lagi jika ilmu pengetahuan yang ada diterapkan. Bila kita ... -
Pengaruh Penambahan Jumlah Plat Netral Jenis Stainless Steel Aisi 302 B Pada Dry Cell Untuk Pemisahan H2(g) dan O2(g) dari H2O(l)
(Universitas Sumatera Utara, 2014)Over the years people's dependence on fossil fuels is very high. Even for generating electrical energy, fuel continues to be used as well. Fuel cell technology (fuel cell) is the right thing to save the use of oil by ... -
Simulasi Aliran Fluida pada Tumpukan Sel Bahan Bakar Membran Elektrolit Polimer
(Universitas Sumatera Utara, 2012)On the stack polymer electrolyte membrane fuel cell, one of the problem was the flow velocity at the flow field that affected the reaction at the fuel cell stack. Therefore the purpose of the research was to know how ... -
Study Pemeliharaan Sistem Turbin Uap dengan Kapasitas 1200 KW Putaran Turbin 5294 RPM Dd PTPN-IV Dolok Ilir
(Universitas Sumatera Utara, 2012)Pentingnya sistem pemeliharaan pada sebuah perusahaan memang tidak dapat dipungkiri lagi, sebab sangat berpengaruh terhadap kapasitas produksi dan keuntungan perusahaan, tetapi apabila sistem manajemen pemeliharaan ... -
Analisa Gaya-Gaya dan Pengaruh Sudut terhadap Lengan Truk Crane dengan Panjang dan Kapasitas Maksimum
(Universitas Sumatera Utara, 2009)Truck crane adalah merupakan salah satu jenis pesawat angkat modern pada saat ini. Truck crane dipergunakan untuk memindahkan bahan-bahan, alat alat ataupun beban di lapangan pada industri-industri atau pabrik-pabrik, ...
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