Mechanical Engineering: Recent submissions

Now showing items 41-60 of 210

‘‘Numerical Analysis Of Plate Crack Arrester Under Mixed Mode I & II Fracture’’ Thesis

Nahom Lijalem; Johnson Santosh; Firew Tullu (2023-09)

Running cracks on structural components and parts initiate and start propagating in low toughness regions. When an external stiffener like a crack arrester plate is applied to a cracked object, the focus will be taken ...
Design of a small-scale solar-stirling power system with a beam-down focus for rural electrification. Thesis

Oda Tadese; A.Venkata Ramayya; : Eshetu Tadese (2023-06)

In Ethiopia, off-grid rural electrification using renewable energy is a highly attractive energy option as a result of the scattered settlement of rural populations. Solar thermal energy has become very promising in ...
Numerical Analysis Of Heat Transfer Enhancement In The Parabolic Trough Solar Collector Using Twisted Tape With Perforated Plate And Nanofluids Thesis

Amanuel Abye; Syam Sundar; Tarekegn Limore (2023-08)

Solar energy is the most plentiful energy source on the planet, with around 1 kilowatt per square meter (kW/m2 ) of solar radiation reaching the earth's surface in clear conditions when the sun is near the zenith. ...
Experimental Investigation Of The Dependence Of The Mechanical Properties Of Printed Polylactic Acid Parts On The Process Parameters Of Fused Deposition Modeling 3d Printing Thesis

Getu Koro; Agnieszka J.Nowak; Mesay Alemu (2023-09)

3D-printing a manufacturing process known as ”additive manufacturing” because it adds material in sequential patterns to generate the desired form rather than removing material to build a part. The process parameters in ...
Mechanical Property Characterization of Okra Fiber Reinforced Epoxy Polymer Composite Material for Automotive Roof Panel. Thesis

Chalachew Alelegn; Johnson Santhosh; Abiyou Solomon (2023-04)

Composite materials are dominant among all emerging materials because of its advanced mechanical properties. While focusing on composite materials, the main points to be considered are cost effectiveness and environmental ...
Fluid-Structure Interaction Analysis and Fatigue Life Prediction of Francis Turbine Runner using Numerical Simulation Thesis

Elias Tadesse; Hirpa G. Lemu; Fakada Dabalo (2023-08)

Hydroelectric power is currently one of the largest sources of renewable energy worldwide. Particularly in Ethiopia, more than 90% of the electrical energy is produced by hydropower in which the turbine runner is a key ...
Experimental Investigation On Co-Pyrolysis And Kinetic Modeling Of Waste Plastic And Biomass Blend For Bio-Fuel Application Thesis

Mahlet Kassu; Venkata Ramayya; Abreha Kahsay (2023-05-22)

Pyrolysis of plastic waste is the best way to manage the waste while producing biofuels which can be improved to replace diesel. However, plastic thermal pyrolysis has certain limitations, such as the high decomposition ...
Analytical and Numerical analysis of fatigue life estimation of the splined shaft by using Finite Element Method Thesis

Ashagre Abebe; Johnson Santosh; Addisu K/Mariyam (2022-11-22)

The splined shaft is a significant component in the power plant and automobile industries because it performs two functions: it acts as an anti-rotational device or transmits torque to another device. This study deals ...
Corrosion Characterization at Surface and Subsurface of Iron-Based Buried Water Pipelines Article

Yeshanew, Dessalegn Ahmed; Jiru, Moera Gutu; Ahmed, Gulam Mohammed Sayeed; Badruddin, Irfan Anjum; M. Soudagar, Manzoore Elahi; Kamangar, Sarfaraz; Tolcha, Mesay Alemu (2021-10-07)

Water pipe surface deterioration is the result of continuous electrochemical reactions attacking the surface due to the interaction of the pipe surface with environments through the time function. The study presents ...
Experimental Investigation of Al-CuMgMn Alloy Developed by Laser Beam Surface Modification for Wear Resistance Article

Tolcha, Mesay Alemu; Jiru, Moera Gutu; Lemu, Hirpa Gelgele (2021-04-27)

Laser surface alloying is one of the recent technologies used in the manufacturing sector for improving the surface properties of metals. Aluminum alloys are key materials in the manufacturing sector. This favors their ...
Modeling and analysis of flexural strength with fuzzy logic technique for a fused deposition modeling ABS components Article

Mamo, Hana Beyene; Tura, Amanuel Diriba; Santhosh, A. Johnson; Ashok, N; Rao, Dommeti Kamalakara (2022-03-01)

Fused Deposition Modeling (FDM) is an additive manufacturing technique used for prototype, physical modeling, and end-of-line production. Proper parameter selection is essential for producing high quality items with ...
Experimental Study and Analysis of the Effect of Detergent on the Production of Biogas from Toilet Drainage System Linked to Biogas Digester in Ethiopia (Case study: Gamo, Wolayita, and Hadiya zone) Thesis

Ashebir Merkeb; A. Venkata Ramayya; Kuleni Diro (2023-05)

The toilet-connected reactor collects, stores, and treats excreta through the use of a biogas reactor that is coupled to the toilet drainage system. The majority of biogas reactors built in Ethiopia are intended to ...
Truncation Multiplier-Based Cognitive Radio Spectrum Analyzer for Nanomedical Applications Article

Kumareshan, N.; Umashankar, A.; Verma, Manoj; Gnanasaravanan, Subramaniam; Kumaran, G.; Vimalnath, S.; Arun Vignesh, N.; Santhosh, A. Johnson (2022-09-01)

The electromagnetic spectrum is one of nature’s meagre resources. The requirements of wireless communication cannot be satisfied by the new spectrum allocation plan. A policy of self-driven spectrum allocation results as ...
Optimization and thermal analysis of friction stir welding on AA6061 aluminum alloys Article

Melaku, Lingerew E.; Tura, Amanuel D.; Mamo, Hana B.; Santhosh, A. Johnson; Ashok, N. (2022-05-22)

This research focuses on the thermal analysis and optimization of FSW AA 6061 alloy joints at various welding speeds, rotational speeds, and tool geometry. Tool shoulder (concave and flat) and tool probe (ta pered and ...
Optimization and Mechanical Properties of TiO2 Reinforced AA 7150 Composites Using Response Surface Methodology Article

Prasad, S V G V A; Kamalakar, V.; Madhusudhanan, J.; Reddy Prasad, Puthalapattu; Adilakshmi, G.; Kumar, 5 Nellore Manoj; Gopalan, Anitha; rajput, Vinod Singh (2022-05-25)

e goal of this research is to increase the performance of AA 7150 reinforced with TiO2 microparticles by optimizing the stir casting parameters. e response surface method’s central composite design technique was used ...
Optimization of Oil Yield from the Macro Algae Spirogyra by Solvent Extraction Process Using RSM and ANN Article

Aravind, S.; Barik, Debabrata; Ashok, Nagaraj (2022-09-19)

The present work was done to optimize the process parameters of the oil extraction from the algae species spirogyra by using n hexane as the solvent using the Soxhlet apparatus. The response surface methodology (RSM) and ...
Optimization on Tribological Characteristics of Stir-Casted AA7076/Nano Zirconium Dioxide/Boron Nitride Hybrid Composites by Taguchi Method Article

Ezhil, Shenbaga; Shanmuganathan, A.; Srinivas, Ganganagunta; Ashokkumar, K.; Althahban, Sultan; Mousa, S.; Qahtani, Faez; Jazaa, Yosef; Ashok, Nagaraj (2022-07-18)

Aluminum alloys are currently used in a wide variety of industries, and strong aluminum alloys are required for the creation of new components. As a result, multiple scientists are experimenting with various compositions ...
Parametric Optimization of Abrasive Water Jet Cutting on AA 5083 through Multiobjective Teaching-Learning Method Article

Reddy, R. Meenakshi; Logesh, K; Alagarsamy, S. V; Nagaraj, A.; Chaturvedi, Rishabh; Ram, Mylavarapu Kalyan; Seikh, A. H.; Siddique, M. H.; Hailu, Beruk (2022-10-11)

e industrial sector is seeing an increase in the development of new technologies on a daily basis. Manufacturing advancements have resulted in low-intensity, inadequate outputs from cutting materials. e application of ...
Internal Corrosion Damage Mechanisms of the Underground Water Pipelines Article

Yeshanew, Desalegn A.; Jiru, Moera G.; Lemu, Hirpa G.; Tolcha, Mesay A (2022-05-15)

Internal water pipe corrosion is a complicated problem due to the interaction of water quality parameters with the pipe wall. This study presents investigations of internal pipe surface corrosion mechanisms related to ...
Characterization and parametric optimization of additive manufacturing process for enhancing mechanical properties Article

Tura, Amanuel Diriba; Mamo, Hana Beyene (2022-06-27)

Additive manufacturing (AM), also known as 3D printing, is a cutting-edge industrial production technique that enables the creation of lighter, stronger components and systems. Fused deposition modeling (FDM) is a popular AM ...

Recently added

Mechanical Engineering: Recent submissions

Search IR

Browse

All of IR

This Collection

My Account