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 ...

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 ...

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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 ...