Master Theses
Master Theses
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Simulasi Thermal Stress pada Tube Superheater Package Boiler
(Universitas Sumatera Utara, 2012)This project investigates the thermal stress behavior and the mechanisms of superheater tube failure with experimental method and numerical analysis. First of all the procedures for failure analysis were applied to determine ... -
Pengukuran Helmet Sepeda Motor yang Dikenai Beban Impak Menggunakan Metode Jatuh Bebas
(Universitas Sumatera Utara, 2011)A test on a non-standard motor cycle helmet is needed to measure the strength of the helmet resulted from the given impact load. In general, traffic accident is not only influenced by the factor of speed but also the ... -
Analisa Kegagalan Tube Superheater Package Boiler Akibat Overheating
(Universitas Sumatera Utara, 2012)The superheater tube of package boiler has failed due to long term overheating. The tube is located at the first rows (pipe number 8), 2300 mm high from the base of the combustion chamber. The main objective of this ... -
Uji Coba dan Analisa Struktur Speed Bump Bahan Concrete Foam diperkuat Batang Polymeric Foam yang digunakan untuk Pembangkit Daya Listrik
(Universitas Sumatera Utara, 2017)Incorrect speed bump profile shapes can harm road users passing by. This study focuses on making speed bump profiles of concrete foam materials and polymeric foam reinforced TKKS fibers in order to obtain better and safer ... -
Desain dan Penyelidikan Respon Mekanik Cover Bumper Paduan Bahan Concrete Foam Diperkuat Tandan Kosong Kelapa Sawit Akibat Beban Impak dengan Menggunakan Ansys
(Universitas Sumatera Utara, 2017)Cover bumper from concrete foam material reinforced fiber bunch of empty palm bunches (EFB) serves as a supporter of the cleanliness of the campus environment, support parking facilities, and avoid accidents. By using ... -
Kepekaan Retak Korosi Tegangan Baja Nirkarat Austenitik Aisi 304 dalam Lingkungan Air Laut Buatan
(Universitas Sumatera Utara, 2010)The component of AISI 304 stainless steel construction is used as a prop of linking up the ropes on the boat on the sea, such as socket swaged, chain plate, turnbuckle, and so on. This component usually has a failure ... -
Kajian Sub – Permukaan Baja Paduan Kekerasan Tinggi AISI 4140 Hasil Pembubutan Laju Tinggi dan Kering Menggunakan Pahat CBN
(Universitas Sumatera Utara, 2012)The integrity of the sub - surface plays an important role in product quality. In this study, the impact of rate cuts, feed motion, depth of cut, cutting tool wear and tear on the sub - surface machining of steel AISI ... -
Kajian Keausan Pahat Cbn pada Proses Pembubutan Kecepatan Tinggi Kondisi Potong Keras dan Kering Bahan AISI 4140
(Universitas Sumatera Utara, 2012)This research is made to investigate the study of CBN wear on high speed turning of AISI 4140 at cutting hard and dry conditions. Cutting tool is made from CBN CB7015 Sandvick Coromant which is used to operate turning ... -
Analisa Koefisien Grip Antara Ban dan Permukaan Jalan
(Universitas Sumatera Utara, 2017)Tire/tire tread becomes one of the components in vehicle which comes in contact with the road (asphalt and concrete). Therefore, it plays a very important role in determining safety, comfort, and stability of a vehicle ... -
Penyelidikan Karakteristik Akustik (Acoustical Properties) Material Komposit Polimer yang Terbuat dari Serat Batang Kelapa Sawit Menggunakan Variabel Komposisi dan Ketebalan
(Universitas Sumatera Utara, 2010)The characteristic of a sound absorbing material is shown by the magnitude of absorption coefficient of each frequency produced. Porous material with pores and fibers is generally a material which can absorb sound very ... -
Ketangguhan Retak Dinamik Bahan Komposit GFRP untuk Helmet Industri Disebabkan Beban Impak Menggunakan MSC/Nastran for Windows
(Universitas Sumatera Utara, 2010)This research is to study computer simulation of glass fiber reinforced plastic (GFRP) plate specimen, by finite element method. Its goal is to know the stress intensity factor and compared them with the critical intensity ... -
Kajian Koefisien Absorpsi Bunyi dari Material Komposit Serat Gergajian Batang Sawit dan Gypsum sebagai Material Penyerap Suara Menggunakan Metode Impedance Tube
(Universitas Sumatera Utara, 2010)The primary aim of this research is for knowing the basic characteristic about sound coefficient absorbtion of acoustic material which is made based on fiber stem palm with Gypsum. The variable in this research is the ... -
Optimasi Penyerap Panas Memanfaatkan Energi Panas Matahari dengan Teknik Saluran Multi Belokan Tajam
(Universitas Sumatera Utara, 2009)The optimum of heat absorber by exploiting the solar energy is influenced by some characteristics of fluid flow in a channel. The square longitudinal channel with the 180° sharp curve is always used as the streams for some ... -
Studi Eksperimental Deteksi Fenomena Kavitasi pada Pompa Sentrifugal Menggunakan Sinyal Getaran untuk Condition Monitoring
(Universitas Sumatera Utara, 2010)Cavitation is a phenomenon of the change to vapor phase from liquid in flowing fluid. The change is caused by low pressure or high fluid temperature, turbulance and pulsation of the suction pipe. In centrifugal pump, ... -
Analisis Mesin dan Komponen Kritis sebagai Dasar Pengembangan Strategi Pemeliharaan di Pabrik Kelapa Sawit Kebun Rambutan PT. Perkebunan Nusantara 3
(Universitas Sumatera Utara, 2010)This study presents a case study to find out the maintenance strategy at the Rambutan Palm Oil Factory of PTP Nusantara 3. The methodology in this research was by analyzes the failures data of critical machines and it’s ... -
Pengaruh Putaran Cetakan terhadap Sifat Mekanik Besi Cor Kelabu pada Pembuatan Silinder Liner Mesin Otomotif dengan Pengecoran Sentrifugal Mendatar
(Universitas Sumatera Utara, 2010)The Horizontal centrifugal casting is one of the casting processes that can be used to manufacture a hollow cylindrical casting. The casting was carried out in a rotating mould so that the molten iron will be picked up and ... -
Pengaruh Variasi Putaran Mesin terhadap Kebisingan (Noise) pada Knalpot Komposit yang Dilengkapi Saluran dalam Ganda pada Mobil Bensin Kijang 7K
(Universitas Sumatera Utara, 2010)Noise in the town is mostly caused by the traffic of cars. It comes from the exhaust gas pressure in the engine chamber. Engine revolution will cause the noise level rises or increases. If revolution of the engine is ... -
Simulasi Komputer Distribusi Tegangan pada Helm Sepeda Motor dari Bahan Komposit GFRP BTQN 157 EX Dilapisi Busa (Foam) terhadap Beban Impak Kecepatan Tinggi Menggunakan MSC/Nastran 4.5
(Universitas Sumatera Utara, 2010)This study focuses on a verification using simulation of stress distribution of helmet motorcycle with high speed impact. The helmet is made of Glass Fiber Reinforced Plastics (GFRP). Two types of helmet model were used ... -
Kajian Pembakaran Serentak Batubara dengan Sekam Padi Menggunakan Sistem Fluidisasi
(Universitas Sumatera Utara, 2010)The research constitutes the form of an investigation to achieve the particular co-combustion characteristics of coal and rice husk by a fluidized bed combustor. An investigation was carried out using low rank coal of ... -
Numerical Approach to Wood Pyrolysis in Consideration Heat and Mass Transfer and Chemical Reaction
(Universitas Sumatera Utara, 2014)Climate change, global warming, and energy crisis are critical issues to be solved urgently in a global framework. Alternative energy and renewable energy technologies must be quickly developed to be substituted for ...
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