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Design Modelling And Simulation Of Injera Baking Steam Oven By Using Biogas Boiler For Small Scale Industry Thesis

Shewatatek Hailegebrael; Balewgize Amare; Fikadu Kifle (2024-04)

Energy is one of the basic things needed to satisfy basic human needs. The main energy source of developing countries for cooking comes from biomass. Like most developing countries, Ethiopia is also dependent on using ...

Amharic Text To Image Generation Model Using Conditional Generative Adversarial Network Thesis

Getnet Zeru; Amanuel Ayde; Elsabet Wedajo (2024-06)

Amharic text-to-image generation model using a conditional generative adversarial network (CGAN) is a novel concept that can be made possible by advances in deep learning. The aim of this study is to develop a model ...

Experimental Investigation Of Waste Plastic-Coated Aggregates For Unpaved Road Surface Treatment: A Case Study Around Jigjiga Town. Thesis

Abdi Salah; Markos Tsegaye; Abel Tesfaye. (2024-07)

Most roads in Ethiopia are unpaved roads and facing rapid traffic growth as the result of rapid urbanization and industrialization leading to the packing of different industrial products like plastic bottles. Unpaved ...

Spatiotemporal Analysis Of Fincha Lake Dynamics Using Geospatial Techniques Thesis

Jabessa Boru; Keneni Elias; Natinael Sitota (2024-07)

Lakes and reservoirs are vital for human health and aquatic life. In Ethiopia's Fincha sub basin, water demand is rising rapidly, affecting Fincha Lake. Uncontrolled water abstraction, traditional watershed management ...

Sustainable Synthesis And Characterization Of Nh2- Mil-53(Al)/Mil-100(Fe) Heterojunctions For Visible Light Driven Photocatalytic Degradation Of Rhodamine B Dye Thesis

Tewodros Temtime; Solomon Demiss; Jemal Mohammed (2024-06)

Water pollution caused by toxic dyes from the textile industry has become a major concern nowadays. Specifically, rhodamine B (RhB) dyes found in textile wastewater have harmful and toxic impacts on the surroundings ...

An Experimental Evaluation Of The Suitability Of Demolished Concrete Aggregate And Ceramic Waste Aggregate As Substitutes For Base Course Material Thesis

Eyerusalem Aschalew; Anteneh Geremew; Basha Fayissa (2023-07)

The highway and building industries have recently used an enormous quantity of conventional aggregates each year. Construction costs rise, natural resources are running out, and the condition of the earth's surface is ...

Safety Management Assessment For Unskilled Labor In Building Construction: A Case Of Bonga Town Thesis

Mekides Ayalew; Mamuye Busier; Dawit Ketema (2024-04)

The construction industry is less mechanized and more labor-intensive; construction workers are the backbone of this industry. Establishing safety management for construction workers plays a vital role in the construction ...

Rutting Performance Evaluation Of Asphalt Mixture Constitute Waste Marble Powder Filler: An Experimental And Numerical Analysis Approach Thesis

Giza Teshome; Anteneh Geremew; Basha Fayisa (2024-06)

The asphalt industry grapples with enhancing rutting resistance, promoting sustainability, and effectively utilizing waste. Rutting poses significant risks to flexible pavements, leading to damage and safety hazards. ...

Numerical Analysis Of Unsuitable Tropical Red Subgrade Soils For Assessing Undercut Depth: A Case Study Of Merewa-Seka Road Project Thesis

Binyam Gezahegn; Alemineh Sorsa; Shelema Amena (2024-06)

Unsuitable tropical red subgrade soils form in situ by the intense weathering of parent material in tropical and sub-tropical climatic environments. They cover a wider area of the Western part of Ethiopia, including ...

The Combined Effect of Sugarcane Bagasse’s Ash and Calcined Dolomite Powder as a Partial Replacement of Cement on the Compressive Strength of C25 Grade Concrete. Thesis

Dereje Tesfaye; Solomon Demiss; Jemal Jibril (2024-05-06)

Cement is made in vast quantities all over the world as a possible building material and an essential part of every construction project. Alternative materials—mostly agro-industrial wastes—have emerged as viable cement ...

Teff Straw Ash As Partial Cement Replacement Materials In Concrete Production Thesis

Desta Melka; Kabtamu Getachew; Goshu Kenea (2024-06)

One of the most extensively utilized building materials in the world, concrete is used for everything from roads and dams to buildings and bridges. Cement is one element which serves as binder in concrete. Cement prices ...

Enhanced Biogas Production from Co-digestion of Lignocellulosic Biomass with Food Waste: An Experimental Study with Coffee Husk and Water Hyacinth Article

Ibro, Mohammed Kelif; Ramayya Ancha, Venkata; Lemma, Dejene Beyene (2024-05-29)

Waste-to-bioenergy conversion from lignocellulosic materials like water hyacinth (WH) and coffee husk (CH) can lead to multiple benefits such as freshwater body protection, eutrophication, and renewable energy generation ...

Analysis of Heart Sound for Biometric Identification system using Bayesian Optimized Support vector machine (SVM) Thesis

Gazahegn, Kalkidan; K, Janarthanan; Hailu, Werqnesh (2024-05-31)

Researchers have found that the distinctiveness of the phonocardiogram (PCG) signal can be used for biometric identification, unlike advances in heart sound analysis for screening and diagnosing different heart problems. ...

Afaan Oromo Large Vocabulary Continuous Speech Recognition Model Thesis

ABDISA, GELANA; MAMO, GETACHEW; TAKELE, HABTAMU (2024-06-17)

Automatic Speech recognition(ASR) is a system that translates spoken language into written text. The purpose of this study was to develop an Afaan Oromo speech-to-text recognition model using Speech Transformer, a ...

CONTROLLED CRYSTALLIZATION OF INORGANIC PEROVSKITE SEMICONDUCTOR THIN FILMS VIA SOLUTION PROCESSING METHODS Article

SHICHO, TAMIRU KEBEDE; KIM, JUNG YONG; ABEBE, MULUALEM; MANI, DHAKSHNAMOORTHY (2024-06-13)

Inorganic perovskite semiconductors have recently gotten great concern in the field of photovoltaics due to their excellent optoelectronic properties such as a superb carrier dispersion span, resilient light absorption ...

CONJUGATED POLYMER-PEROVSKITE NANOCOMPOSITES FOR OPTOELECTRONICS Article

TSONI, GETACHEW WELYAB; KIM, UNG YONG; ABEBE, MULUALEM (2024-06-17)

Metal halide perovskite semiconductors are a new material class that has shown great promise for a range of optoelectronic device applications. Due to their emission wavelength tunability throughout the visible spectrum ...

EXPERIMENTAL INVESTIGATION ON CO-PYROLYSIS OF CORNCOB AND WATER HYACINTH: SYNERGETIC EFFECT ON BIOCHAR PROPERTIES AS SOIL AMENDMENT Thesis

Mideksa, Gemechis; Ramayya, Venkata; Limore, Tarekegne (2024-05-29)

Pyrolysis of water hyacinth is the best alternative to control the infestation of this weed through producing biochar for soil amendments due to its contents of essential nutrients required for soil fertility. However, ...

Blue Light-Emitting Semiconductor Based on Cesium Lead Bromide Perovskite Quantum Dots for Nano-Optoelectronics Article

IDOSA, DULA ADUGNA; Kim, Jung Yong; Abebe, Mulualem; Mani, Dhakshnamoorthy (2024-06-18)

Currently, over 19% of the world's electrical energy is used for lighting, with a significant portion sourced from fossil fuels. This implies a great contribution to the depletion of finite resources and also contributes ...

THERMOELECTRIC PROPERTIES AND MICROSTRUCTURE EVOLUTION OF Cu-Bi-Te and Ag-Bi-Te TERNARY EUTECTIC ALLOYS Article

TOLESA, AYANSA; OLU, FEMI EMMANUEL; TIWARY, CHANDRA SEKHAR; CHATTOPADHYAY, KAMANIO (2024-06-12)

Waste heat is the regular problem in today's industrialized and urbanized society. The ability of thermoelectric (TE) materials to effectively transform waste heat into useful electrical energy and vice versa, offering ...

THERMOELECTRIC PROPERTIES OF HALF-HEUSLER BASED MULTIELEMENT ZrTiNiFeSnSb and M2Ni1.5Fe0.5SnSb (M = Ti, Zr) ALLOYS Article

Adamo, Chalchisa Getachew; Olu, Femi Emmanuel; Tiwary, Chandrasekhar (2024-06-12)

Thermoelectrics are used to directly convert heat into electricity and vice versa. They have attracted increased interest from the materials science community and grown quickly in recent decades. Efficient thermal to ...

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