• PRODUCTION OF BRIQUETE CHARCOAL FROM SESAME STALK CASE STUDY OF METEMA, WEAST GONDAR ZONE, ETHIOPIA 

  ZUFAN, MULAW KASSIE (2024-10)

  Biomass is one of the most promising energy sources to mitigate greenhouse gas emission during production and utilization. However, majority of biomass are not suitable to be utilized as fuel without an appropriate process ...
• BIOETHANOL FROM WATER HYACINTH THROUGH COUPLED MICROWAVE-ALKALINE PRETREATMENT METHOD: FERMENTATION OPTIMIZATION 

  ZELALEM, GELAW (2024-10)

  With rising fuel costs, increasing energy demands, and the need for environmentally friendly energy sources, there is a growing interest in producing alternative fuels. Biofuels like bioethanol can be made by breaking ...
• DESIGN, DEVELOPMENT, AND PERFORMANCE EVALUATION OF VACUUM TUBE-ASSISTED SOLAR THERMAL TECHNOLOGY FOR INJERA BAKING APPLICATIONS 

  SHEWALEM, ASFAW TEMESGEN (2024-08)

  Like most developing countries, Ethiopia's residential energy sector relies heavily on burning biomass, and cooking accounts for over 90% of the total energy used, with baking injera consuming 37% of this energy. Injera, ...
• DESIGN AND MODELING OF SOLAR PV SMART GRID WITH ENERGY MANAGEMENT SYSTEM FOR REMOTE AREA ELECTRIFICATION Case Study: Dek Island Community in Lake Tana 

  Tamiru, Ayana Ejigu (2024-10-16)

  This study presents the design and modeling of a solar PV smart grid with EMS for remote area electrification. The case study focuses on the Dek island community located in lake Tana. The community consists of 1,152 ...
• EVALUATING THE FUNCTIONALITY, PERFORMANCE, AND BENEFIT ON INDOOR AIR QUALITY IMPROVEMENT OF HOUSEHOLD BIOGAS SYSTEMS 

  MOLLA, ZIGALE TEGEGNE (2024-10)

  Biogas technology is gaining traction globally, especially in countries where governments advocate for household biogas systems (HBSs). In Ethiopia, this renewable energy source is emerging as a viable alternative to ...
• Comparative Performance Evaluation of PI, PI (2DoF), and FLPI Controllers for Enhanced Wind Power Produc-tion in DFIG-Based WECS 

  Belachew, Desalegn (2024-10)

  The operation of wind power systems (WPS) needs to be regulated under both its linear and nonlinear operating behaviors in order to ensure the maximum possible wind power production with lowering costs. This involves ...
• OPTIMAL DESIGN AND ANALYSIS OF PHOTOVOLTAIC BASED WATER PUMPING SYSTEM FOR AN ONION FARM: CASE STUDY AT TSITSIKA, WAG HIMRA ZONE 

  ESTIFANOS, TEDLA (2024-12)

  Solar Photovoltaic water pumping systems are among the best technologies for utilizing Solar Photovoltaic water pumping systems are among the best technologies for utilizing Solar Photovoltaic water pumping systems are ...
• Design, development and performance evaluation of improved Mirt (biomass injera baking) stove 

  Mengistu, Teshome (2024-01)

  Contributions were made to the performance improvements of the Injera baking stove. A strong understanding of heat transfer modes was established and used to evaluate design enhancements, aided by software applications ...
• Design, Manufacturing, and Performance Evaluation of Box-Type Direct Solar Dryer for Onions (Allium cepa L.) 

  Misganaw, Tadesse (2024-06)

  Smallholder farmers in Ethiopia face significant postharvest losses, particularly with perishable products like onions. Solar dryers offer a promising solution, though their adoption is still early. This research designs, ...
• INVESTIGATE THE EFFECT OF ALKALINE PRE-TREATMENT ON CORN STALK FOR PRODUCTION OF BIOETHANOL 

  DERIBEW, GETAHUN (2024-03)

  Nowadays, the need to replace nonrenewable fuels with renewable fuels such as bioethanol produced from lignocellulose biomass has gained attention. This study aims to convert cornstalk biomass into bioethanol via a biochemical ...

• PRODUCTION OF BRIQUETE CHARCOAL FROM SESAME STALK CASE STUDY OF METEMA, WEAST GONDAR ZONE, ETHIOPIA 

  ZUFAN, MULAW KASSIE (2024-10)

  Biomass is one of the most promising energy sources to mitigate greenhouse gas emission during production and utilization. However, majority of biomass are not suitable to be utilized as fuel without an appropriate process ...
• BIOETHANOL FROM WATER HYACINTH THROUGH COUPLED MICROWAVE-ALKALINE PRETREATMENT METHOD: FERMENTATION OPTIMIZATION 

  ZELALEM, GELAW (2024-10)

  With rising fuel costs, increasing energy demands, and the need for environmentally friendly energy sources, there is a growing interest in producing alternative fuels. Biofuels like bioethanol can be made by breaking ...
• DESIGN, DEVELOPMENT, AND PERFORMANCE EVALUATION OF VACUUM TUBE-ASSISTED SOLAR THERMAL TECHNOLOGY FOR INJERA BAKING APPLICATIONS 

  SHEWALEM, ASFAW TEMESGEN (2024-08)

  Like most developing countries, Ethiopia's residential energy sector relies heavily on burning biomass, and cooking accounts for over 90% of the total energy used, with baking injera consuming 37% of this energy. Injera, ...
• DESIGN AND MODELING OF SOLAR PV SMART GRID WITH ENERGY MANAGEMENT SYSTEM FOR REMOTE AREA ELECTRIFICATION Case Study: Dek Island Community in Lake Tana 

  Tamiru, Ayana Ejigu (2024-10-16)

  This study presents the design and modeling of a solar PV smart grid with EMS for remote area electrification. The case study focuses on the Dek island community located in lake Tana. The community consists of 1,152 ...
• EVALUATING THE FUNCTIONALITY, PERFORMANCE, AND BENEFIT ON INDOOR AIR QUALITY IMPROVEMENT OF HOUSEHOLD BIOGAS SYSTEMS 

  MOLLA, ZIGALE TEGEGNE (2024-10)

  Biogas technology is gaining traction globally, especially in countries where governments advocate for household biogas systems (HBSs). In Ethiopia, this renewable energy source is emerging as a viable alternative to ...
• Comparative Performance Evaluation of PI, PI (2DoF), and FLPI Controllers for Enhanced Wind Power Produc-tion in DFIG-Based WECS 

  Belachew, Desalegn (2024-10)

  The operation of wind power systems (WPS) needs to be regulated under both its linear and nonlinear operating behaviors in order to ensure the maximum possible wind power production with lowering costs. This involves ...
• OPTIMAL DESIGN AND ANALYSIS OF PHOTOVOLTAIC BASED WATER PUMPING SYSTEM FOR AN ONION FARM: CASE STUDY AT TSITSIKA, WAG HIMRA ZONE 

  ESTIFANOS, TEDLA (2024-12)

  Solar Photovoltaic water pumping systems are among the best technologies for utilizing Solar Photovoltaic water pumping systems are among the best technologies for utilizing Solar Photovoltaic water pumping systems are ...
• Design, development and performance evaluation of improved Mirt (biomass injera baking) stove 

  Mengistu, Teshome (2024-01)

  Contributions were made to the performance improvements of the Injera baking stove. A strong understanding of heat transfer modes was established and used to evaluate design enhancements, aided by software applications ...
• Design, Manufacturing, and Performance Evaluation of Box-Type Direct Solar Dryer for Onions (Allium cepa L.) 

  Misganaw, Tadesse (2024-06)

  Smallholder farmers in Ethiopia face significant postharvest losses, particularly with perishable products like onions. Solar dryers offer a promising solution, though their adoption is still early. This research designs, ...
• INVESTIGATE THE EFFECT OF ALKALINE PRE-TREATMENT ON CORN STALK FOR PRODUCTION OF BIOETHANOL 

  DERIBEW, GETAHUN (2024-03)

  Nowadays, the need to replace nonrenewable fuels with renewable fuels such as bioethanol produced from lignocellulose biomass has gained attention. This study aims to convert cornstalk biomass into bioethanol via a biochemical ...
• Enhancement of Water Hyacinth Biomass Digestibility through Microwave Assisted Alkaline Pretreatment for Biogas Production 

  Tibebu, Beyene Kindu (2024-03)

  Coal, natural gas, and crude oil are major sources of energy. But they are nonrenewable and continuously pollute the environment. Using renewable energy resources such as biogas is one solution to address these issues. ...
• Enhancement of Biogas Production from Organic Wastes Using Rumen Fluid: Case Study 

  Ambelu, Meselu Mekonnen (2024-03)

  Biogas is a green energy which can subsidize the energy constraint in one’s country. Biogas production using digesters plants in Ethiopia relay on single substrate and without fermentative microbe inoculation. These and ...
• DEVELOPMENT AND PERFORMANCE EVALUATION OF A SOLAR BUBBLE PARBOILED RICE DRYER THROUGH EXPERIMENTS AND COMPUTATION 

  Milliyon, Abebe Mekuria (2023-06)

  Through experimental tests and simulation, this work examined the drying characteristics, and performance of forced convection Solar Bubble parboiled rice dryer. For the drying characterizations and ...
• DESIGN AND SIMULATION OF HYBRID SOLAR CALCINER SYSTEM: CASE OF HABESHA CEMENT SHARE COMPANY, ETHIOPIA 

  Getahun, Kebede (2023-06)

  Cement manufacturing is one of the most energy intensive processes and is accountable for substantial pollutant emissions. Increasing energy costs forces Cement manufactures and researchers to search for alternative ...
• Development and performance evaluation of the evaporative cooler technology for the preservation of fresh fruits and vegetables in North-west Ethiopia 

  Dereje, Birhan Berihun (2023-06)
• COMPARATIVE STUDY OF SOLAR, WIND AND DIESEL GENERATOR ENERGY SOURCES FOR RURAL ELECTRIFICATION; THE CASE OF KOSO TEREHNA KEBELE’S HOUSE HOLDS, NORTH SHEWA ZONE, ETHIOPIA 

  Birhanu, Seifu (2023-04-04)

  Rural electrification is the process of bringing electricity supply to rural and remote areas. In this research an off –grid hybrid solar PV, wind turbine and diesel generator design system was done to provide ...
• Anaerobic of Municipal Solid Wastes and Utilization of Chemical Absorption in Upgrading Biogas Production 

  Bantie, Ayenew Gorfie (2023-06)

  Biogas is a renewable energy that is produced from organic waste. To enhance the calorific value and better employ the biogas and eliminate undesirable parts from the raw biogas, it is important to upgrade biogas by ...
• EFFECT OF MICROWAVE ASSISTED ALKALINE PRETREATMENT ON THE TOTAL REDUCING SUGAR YIELD OF WHEAT STRAW (TRITICUM AESTIVUM) FOR BIOETHANOL PRODUCTION 

  Tatek, Shiferaw (2022-09)

  The effect of microwave-assisted alkaline (MWA)pretreatments and acid hydrolysis of lignocellulosic Wheat Straw were investigated. Pretreatment is a major step for the efficient and effective ...
• Development of Yushania alpina (highland bamboo) based composite as sustainable green material for hydro kinetic turbine blades 

  Dawit, Tessema Ebissa (2023-05)

  As described in Chapter 1, hydrokinetic technology has attracted a lot of interest as a sustainable energy generation alternative, especially in places where conventional hydropower technology ...
• ANALYSIS OF ENERGY UTILIZATION AND RELIABILITY IMPROVEMENT OPPORTUNITY ON ETHIO TELECOM BTS 

  Ayele, Girma (2022-09)

  This thesis deals with the study of existing energy utilization and the integration of solar photovoltaics into an existing diesel grid-connected hybrid system to improve the reliability of continuous power ...

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