Despite impressive advances being made in the past decades, there are still genuine
technical challenges in the thermal administration of electronic devices or microprocessors.
The performance and reliability ...
Global warming as a result of greenhouse gas emissions is a hot topic that has been discussed
repeatedly. Traditional cooking methods are a source of greenhouse gas emissions, which also
contribute to deforestation. ...
Solar cookers are heat exchanging devices which can used for converting solar energy to cooking,
replacing traditional way of cooking. The problems to consider while designing solar cookers
which can be address to the ...
Ethiopia’s wide range of agro-climatic conditions and soil types make it suitable for the
production of diverse verities of fruits including tropical and subtropical fruits, around 47
thousand hectares of land are under ...
Solar collector is one of the solar energy technologies that has been used in the world. This
simple device like flat plate solar collector can convert the solar energy into heat energy.
However, solar collector’s ...
We performed a multidisciplinary research of plant leaf inspired wind turbine blade by 4D printing.
We conducted airfoil selection sizing of tapper sections of the leaf main vein using Matlab
iteration. The research ...
Water is considered as the source of life for all life forms on the face of the earth. Due to
water related diseases, in the earth, 3.575 million people are dying each year. One of the
key approaches to overcome this ...
In this study, the effect of solar reflector on the solar air heater efficiency integrated with a
continuous V-shaped ribs as roughness parameter is investigated experimentally and
numerically. Continuous V-shaped ...
By taking into account its high amount of oil in its seeds (1892 L/ha), competitiveness
with food, planting conditions and drought resistance, jatropha curcas oil is the best to be
a raw material for the production ...
A nanofluid is a new heat transfer fluid produced by mixing a base fluid and solid nano
sized particles. It has been reported this fluid has great potential in heat transfer
applications, because of its increased ...
Despite impressive advances being made in the past decades, there are still genuine
technical challenges in the thermal administration of electronic devices or microprocessors.
The performance and reliability ...
Global warming as a result of greenhouse gas emissions is a hot topic that has been discussed
repeatedly. Traditional cooking methods are a source of greenhouse gas emissions, which also
contribute to deforestation. ...
Solar cookers are heat exchanging devices which can used for converting solar energy to cooking,
replacing traditional way of cooking. The problems to consider while designing solar cookers
which can be address to the ...
Ethiopia’s wide range of agro-climatic conditions and soil types make it suitable for the
production of diverse verities of fruits including tropical and subtropical fruits, around 47
thousand hectares of land are under ...
Solar collector is one of the solar energy technologies that has been used in the world. This
simple device like flat plate solar collector can convert the solar energy into heat energy.
However, solar collector’s ...
We performed a multidisciplinary research of plant leaf inspired wind turbine blade by 4D printing.
We conducted airfoil selection sizing of tapper sections of the leaf main vein using Matlab
iteration. The research ...
Water is considered as the source of life for all life forms on the face of the earth. Due to
water related diseases, in the earth, 3.575 million people are dying each year. One of the
key approaches to overcome this ...
In this study, the effect of solar reflector on the solar air heater efficiency integrated with a
continuous V-shaped ribs as roughness parameter is investigated experimentally and
numerically. Continuous V-shaped ...
By taking into account its high amount of oil in its seeds (1892 L/ha), competitiveness
with food, planting conditions and drought resistance, jatropha curcas oil is the best to be
a raw material for the production ...
A nanofluid is a new heat transfer fluid produced by mixing a base fluid and solid nano
sized particles. It has been reported this fluid has great potential in heat transfer
applications, because of its increased ...
This research describes the design and development of a multi-shelf inclined solar cooker
and dryer (ISCAD) with three reflectors and manufactured from locally available materials.
The box cooker has outer box dimensions, ...
In this study, heat transfer in a horizontal double pipe heat exchanger, with air and
water as the working fluid have been increased by means of louvered turbulator.
In the experimental set up, a galvanized steel iron ...
Development in electronic equipment comes with a serious challenge to provide efficient
thermal management solutions due to increased data processing requirements and
miniaturization. The aim of this study is to examine ...
Biogas is a naturally occurring, environmentally friendly fuel. It is mainly made up of a mixture
of methane and carbon dioxide that is produced naturally when organic materials degrade in
anaerobic conditions, such ...
Electric Injera baking mitads are the most prevalent and energy intensive appliances used
in Ethiopia and encounters bulk amounts of heatloss. Even though it is inefficient, the
apparatus has high market penetration ...
To study the drying of red pepper in mixed mode and open sun solar drying system experiments at Bahir Dar climatic conditions were carried out. The solar dryer consists of a double pass solar collector integrated with ...
Ethiopia is the country which use fossil fuel as main source of energy. About 83% people of the country live in countryside area and use fossil fuel as a source energy for any baking and cooking purpose. Among this 70% of ...
The Sugar sector is one of the major focus areas that would play an important role in the future economy of Ethiopia, thus to hasten the development of the sugar industry the need for technologies is very crucial. The major ...
This study is conducted to assess the distribution of ergonomics risk factors and the magnitude of occupational injuries among the construction workers in Bahir Dar city, Ethiopia. To achieve this objective a cross-sectional ...
Solar air heater is used for agricultural grain products drier, curing of industrial products and for other systems requiring low grade thermal energy.
Their usefulness and the quantitative energy collections has been ...