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Browsing Mechanical Design by Author "Abdi, Zewdu (PhD)"

Browsing Mechanical Design by Author "Abdi, Zewdu (PhD)"

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  • Girma, Lemmi (Addis Ababa University, 2014-01)
    This thesis present the design and analysis of pick up windrow forage and transfer to trailer device. A windrow forage is a narrow strip of forage that dries at a slower rate but does not require further manipulation before ...
  • Shukurea, Abdulhakim (2012)
    An analysis of the motion of teff seed particle on a rotating cone shaped disc is conducted and also basic equations of motion derive for a single teff seed particle. The analysis directly applied to the flow of teff seed ...
  • Zeleke, Ephrem (2012-10)
    he relationships between the deflection angle and deflection force acting on a bunch of crop stalk in the gathering operations of a combine harvester reel were analyzed. Mechanical crop model based on bending theory with ...
  • Mekonnen, Addisalem (Addis Ababa University, 2013-11)
    There are different types of oil press machine developed previously which are used to squeeze oil from different types of an oil seed. In this Research work one type of oil press, manually operated oil press, is improved ...
  • Tilahun, Anteneh (Addis Ababa University, 2015-05)
    When soil is dug up or moved, it becomes aerated and loses some of its density. It must be compacted or allowed to settle before a structure (house, buildings, roads etc.) is built on top of it. Potholes in roads, sinkholes ...
  • Teklemariam, Aklilu (Addis Ababa University, 2013-12)
    In this research project, a mechanism was developed to remove dirt from surface of street and sidewalks. Before concept generation and selection, characteristics, types and distribution of debris on street surface was ...

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