Browsing Thesis and Dissertations by Issue Date

Solid State Anaerobic Digestion of Rice Straw for Biogas Production

Zewudu, Hailemariam (2019)

Rice straw is one of lignocellulosic biomass with abundant resources in Ethiopia and a suitable feedstock for biogas generation. Due to the recalcitrant nature of these biomass pretreatment step was performed. The rice ...

Design, development, experimental investigation and system improvement of mirt-injera baking stove

kebeta, Jagama (2019-07-28)

Human development, along with other factors, is very much dependent on energy resources. To satisfy the ever-increasing need for energy, man pushed away beyond what can be carried by the environment and this is the cause ...

Experimental Investigation and Characterization of Biodiesel from Argemone Ocheroleuca Seed Oil

Haile, Eyob (2019-09)

Biodiesel is a renewable bio-fuel derived from natural fats or vegetable oils, and it is an attractive alternative to replace diesel fuels. Currently, the main disadvantage could be the high costs of some types of raw ...

Design and Modeling of Stand-Alone Parabolic Trough Solar Collector Assisted by Phase Change Material for Hot Water Generation

Chanie, Setogn (2019-10-09)

Solar energy technology has led to the development of a number of solar applications used for electricity, lighting, cooking and solar thermal systems. The most hopeful among them is the solar thermal system, to achieve ...

Designing and Modeling of Solar Powered Boat for Lake Tana Transportation

Wubet, Habtamu (2019-11-03)

Solar electric boat is powered by an electric motor which gets its supply from photovoltaic (PV) panels and utilizes solar energy. The study started with designing of the seven-seater solar powered boat for short distance ...

Designing, manufacturing and performance evaluation of small scale solar dryer for parboiled rice drying

Berihun, Walelign (2019-12-17)

An indirect mode convectional solar cabinet dryer consisting of a solar air heater and dryer chamber is designed, manufactured, simulated and tested for its performance. It plays a major role in ...

DESIGN AND EXPERIMENTAL TESTING OF SOLAR THERMAL BREAD BAKING SYSTEM

Minaye, Gashaw (2020)

Bread is a staple food prepared from wheat flour and water called dough. Generally baking process needs high temperature in the order of 180-220℃. But the possibility of baking up to a plate temperature of 160℃ was noticeable ...

TECHNO ECONOMIC ANALYSIS FOR CONSTRUCTION AND OPERATION OF NUCLEAR POWER PLANTS IN ETHIOPIA

AYALEW, AMANUEL (2020)

Energy sector is one of the most important and basic infrastructures in Ethiopia. Moving towards sustainable and green energy technology is one of the targets of Ethiopia to cope up its plan being a middle-income economic ...

Analysis and characterization of biogas feedstock from fruit and vegetable waste mixed with abattoir waste

woyan, Mengesha (2020-01)

Biogas, as a renewable energy source, is gaining importance in today’s era of global warming and depleting sources of fossil fuels. Biogas is produced by anaerobic digestion (digestion in the absence of oxygen) of organic ...

ASSESSING THE FEASIBILITY OF A SOLAR WATER HEATING SYSTEM FOR TWO HOTELS IN DANGILA

Teshale, Lubay (2020-01)

The feasibility of solar water heater for two hotels in Dangila were assessed based on flat plate collector supplied by Beretta (SC-F20) and evacuated tube collector supplied by Beijing Tinapu solar Co. Ltd (TPH-15/18). ...

TECHNO ECONOMIC ANALYSIS FOR CONSTRUCTION AND OPERATION OF NUCLEAR POWER PLANTS IN ETHIOPIA

AMANUEL, AYALEW WONDIMAGEGN (2020-03-01)

Energy sector is one of the most important and basic infrastructures in Ethiopia. Moving towards sustainable and green energy technology is one of the targets of Ethiopia to cope up its plan being a middle-income economic ...

INVESTIGATION AND DESIGN OF OPTIMUM HEAT EXCHANGER NETWORK IN DISTILLERY UNIT OF BALEZAF ALCOHOL AND LIQOUR FACTORY

FEKADU, HABTAMU (2020-03-11)

Alcohol factories has high energy consumption due to this fact it is necessary to integrate cold and hot Process streams to minimize the cost of heating utilities, the objective of this thesis is to investigate the current ...

DESIGN AND MODELLING OF SOLAR TOWER POWER PLANT WITH THERMAL ENERGY STORAGE SYSTEM

Betseha, Mikael (2020-03-11)

Solar energy is the energy that is produced by the sun in the form of heat and light. It is one of the most renewable and readily available source of energy on the earth. Solar power is the conversion of sunlight into ...

DEVELOPING AND TESTING OF COW DUNG GASIFIER STOVE FOR HOUSEHOLD COOKING TO COMPARE WITH THREE STONES STOVE

SHEFERIE, ADAMU (2020-03-11)

Biomass energy is the most important primary energy sources in Ethiopia, above 90 % of primary energy comes from biomass.Cow dung is one of the widely consumed biomass as a source of energy in rural areas of Ethiopia in ...

TECHNO-ECONOMIC ANALYSIS OF LIGHTING TECHNOLOGIES IN RURAL HOUSEHOLD OF ETHIOPIA IN CASE OF AMARIT KEBELE

Sefew, Abebe (2020-03-11)

The current total power generation of Ethiopia reached 12,536.69 GWh/yr from its interconnected system. Electricity Access Rate distribution of Ethiopia in urban area above 92% among 27.7% nationally but in rural area only ...

DESIGN AND MODELING OF HYBRID SOLAR PV/MINI HYDRO MICRO GRID SYSTEMS FOR RURAL ELECTRIFICATION Case study: Gilgel Abay River for Gora Got Rural Village Community

Nibretie, Gebeyaw (2020-03-11)

Renewable energy has varied through time that depends on the renewable sources that limit continuous supply of electricity for the study area. This intermittency nature solved by combining different renewable resources ...

Production and Characterization of Briquettes from Rice Husk for Household Cooking

Mebrat, Endalew (2020-03-11)

Biomass densification and combustion is gaining popularity in the energy sector to reduce the dependency on fossil fuel and the environmental footprint of energy production. This research investigated the densification of ...

Hydro Power Potential Assessment In Jemma River Basin By Using GIS And SWAT Model.

Bekele, Bayu (2020-03-16)

The mass populated area of Semien Shewa zones of the Amhara and Oromia regions that are called as Jemma river basin areas reside with a shortage of electrical energy supply.Besides,the water resource of this basin is not ...

Assessment and Modeling of the Ethiopian Energy Sector Management Systems

Getachew, Biniyam (2020-03-17)

Ethiopia is a nation rich with abundant sources of renewable energy and has an enormous potential for the generation of sustainable energy including electricity. However, access to clean, efficient and modern energy ...

Designing and Experimental Investigation of Scheffler reflector based Solar distiller for Sesame Seed Oil Extraction

Tarekegne, Melaku (2020-03-17)

Sesame seed oil is Ethiopian‘s locally produced traditional food oil which is produced from sesame seed, traditionally it is extracted by the camel powered pressing process. The heat required for the extraction process is ...

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