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Browsing Mechanical Design by Title

Browsing Mechanical Design by Title

Now showing items 1-20 of 180

Abrasive Wear Behavior of Bamboo Reinforced Polymer Composite with PTFE

Sentayehu, Worku (Addis Ababa University, 2020-06)

The aim of the present work is to study the abrasive wear behavior of composites made by reinforcing bamboo fibers with the addition of PTFE and thermoset resin matrix. The fibers are extracted by hand and manual process ...
Analysis Effect of Surface Roughness, Material Removal Rate and Tool Life in Turning of Mild Steel Material

Muluken, Tesfaye (Addis Ababa University, 2017-05)

This Experimental work presents a technique to determine the better productive quality by Analysis of Effect Surface Roughness, Material Removal Rate and Tool Life in Turning of Mild Steel by controlling cutting experiment. ...
Analysis of Fatigue Crack Propagation and Life Estimation of Pelton Turbine Bucket by Finite Element Method

Tadele, Libay (Addis Ababa University, 2020-11)

The Pelton turbine bucket is subjected to different loads under the turbine operating conditions of high rotational speed. One of the most catastrophic failures that could occur in a Pelton turbine is the fracture of the ...
Analysis of Mechanical Properties of Automotive Disc Brake by Finite Element of Method (FEM)

Oliyadi, Dereje (Addis Ababa University, 2018-06)

Excellent control of braking system in automobile is the essential for safety of braking performance. The brake disc is affected by type of friction material of brake pad. The determination of mechanical interaction that ...
Analysis of Stresses in Helical Gears by Finite Element Method

Alemu, Negash (Addis Ababa University, 2007-10)

Gears are one of the most critical components in mechanical power transmission systems. The bending and surface strength of the gear tooth are considered to be one of the main contributors for the failure of the gear in ...
Analysis of Traffic Accident In Addis Ababa: Traffic Simulation

Samson, Fanueal (Addis Ababa University, 2006-06)

This paper discusses the growing problem of road traffic crashes, particularly in Addis Ababa with particular reference to the magnitude, risk factors, interventions and research priorities. The 2004 World Health Report ...
Analysis of Wear Resistance of Wheel-Rail Contact Surface Materials: In the Case of Addis Ababa Light Rail Transit

Teshome, Meku (Addis Ababa University, 2020-01)

The purpose of this thesis is to study wear resistance of wheel-rail contact materials of Manganese steel and Pearlite steel. The wheel-rail contact is a critical interface in the railway technology and study of failures ...
Analysis of Wheel/Rail Contact Geometry and Applied Load Conditions on the Rail Head Surface

Addisu, Negash (Addis Ababa University, 2012-10)

Now a day the railway transport infrastructure in Ethiopia is the major issues in relation to the development of the country. To strengthen this infrastructure, related researches must be conducted at the beginning of the ...
Analytical and Finite Element Analysis of Surface Wear on Disc Brake Rotor

Shegaw, Hailemariam (Addis Ababa University, 2015-04)

A particular type of dry contact condition, known as disc and pad brake in contact, in which exposed to wear. In this thesis the wear analysis of disc brake is analyzed by using analytical and finite element method during ...
Analytical and Numerical Analysis of Adhesive Joints for Vehicle Application

Sura, Keneni (Addis Ababa University, 2018-12)

Adhesively joining technique becomes very important due to capability like joining dissimilar material, lighter vehicle design, and composite material assembly than mechanical fastening. During combining dissimilar or ...
Analytical Selection of Material for Lifan 520 model vehicle Brake Disc

Hailemariam, Getachew (AAU, 2018-06)

In automotive engineering sector, the safety aspect is a major consideration in development of a new vehicle. Each single system has been studied and developed in order to meet safety requirements. Widely Disc Type Brake ...
Aspects of Lean and Agile Manufacturing Systems and Their Appropriatness in Ethiopia

Zehrudin, Idris (Addis Ababa University, 2004-10)

The thesis deals with the principles of Lean and Agile Manufacturing Systems and their appropriateness in Ethiopian context. Inflexible mass-production methods that produce voluminous of standardized products were ...
Assembly Line Modeling and Simulation of Footwear Manufacturing (a Case Study on Ramsey Shoe Factory

Mulugeta, Nahom (Addis Ababa University, 2011-09)

In today’s competitive global market, companies are mostly striving to strengthen themselves as much as possible in all competiveness dimensions of business. This demands for optimal production system which increases the ...
Assessment of Energy recovery options and its Economic evaluation from Municipal solid wastes in Addis Ababa (Arada subcity)

Amanuel, Tarikayehu (Addis Ababa University, 2011-10)

This thesis is intended to assess the energy recovery options from Municipal solid wastes that are collected from Arada Subcity. In the analysis, two particular schemes are analyzed and evaluated for their economic ...
Automobile Bumper Beam Analysis to Improve Energy Absorption

Habtamu, Molla (AAU, 2017-10)

Automotive Bumper is one of the main parts which is used as protection for passengers from front and rear collision. Bumpers beam play an important role in preventing the impact load from being transferred to the automobile ...
Bending-Torsion Decoupling in Eigen Mode of Subsonic and Supersonic Composite Monocoque Aircraft Wing

Masresha, Muluken (Addis Ababa University, 2007-11)

The thesis deals with bending-torsion decoupling in eigen modes of monocoque laminated composite aircraft (subsonic and supersonic) wing using commercial software ANSYS. Theoretical background, mathematical formulation ...
Biodiesel Production Optimization and Quality Assessment Using Jatropha Curcas Oil And Ethanol Alcohol

Demissie, Biniyam (Addis Ababa University, 2001)

Concern over high transportation fuel costs, trade deficits, depleting resources, energy security, and mounting evidence of global climate change has led to re-investigation of fossil fuel alternatives. For this reason ...
Biogas Production System Design for Condominium and its Feasibility

Gaddisa, Bekele (Addis Ababa University, 2011-11)

The research is concerned with designing of Biogas Production System for Condominium and studying its Feasibility by crosschecking field survey and information from literatures. The field survey data support the opinion ...
Characterizing Tensile and Flexural Properties of Synthetic Fibers-Reinforced Epoxy Composite for Foot Prosthetic Application

Galana, Abay (Addis Ababa University, 2021-09)

Materials has direct and critical impact on the performance of prosthetic foot. The aim of this thesis is to characterize the tensile and flexural properties of the four stacking sequences of E-glass and hybrid (E-glass/carbon) ...
Computer Modeling and Simulation of Coal fired Cogeneration Power Plant

Tamirat, Yohannes (Addis Ababa University, 2004-07)

This thesis describes a power plant simulator which has been developed using MATLAB code. The basis of the power plant modeled here is the design data of Coal-Phosphate Fertilizer Complex Project (COFCOP), and the type ...

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