Mechanical Engineering: Recent submissions

Now showing items 201-210 of 210

CFD modeling of Fast Turbulent mixing process of Ethanol in Homogeneous Charge Compression Ignition Engine with the application of Exhaust Gas Recirculatio Thesis

Wasihun Diriba; Balewgize A. Zeru; Dasta Goitom (2017-11)

The importance of design the type of internal combustion engines such as Homogenous Charge Compression Ignition (HCCI) which increase efficiency while decreasing harmful emissions with low fuel consumption is steadily ...
Design modification, CFD simulation, fabrication and experimental validation of continuous feeding biochar producing cook stove Thesis

Mamo Tesema; A. Venkata Ramayya; Getachew Shunki (2016-11)

Household energy use and biochar in developing countries like Ethiopia have gained a tremendous interest in the past decade. The adoption of a simple household pyrolytic stove has the potential to provide multiple benefits ...
Analysis of Current Status and Problems of Domestic Biogas Plants in Gomma Woreda. Thesis

Bisrat Mechal; Getachew Shunki; Million Meride (2016-10)

Increasing population, scarcity of resources and material, environmental pressures, and climate change are issues that challenge our current fossil-based economy. Anaerobic digestion of cattle manure produce energy rich ...
Identifying defects and problems in laser cladding and suggestions of some remedies for the same Article

Barun Haldar; P. Saha (2017)

The cladding method is a technology of bulk coating deposition. It finds wide applications for providing laser coating of resistance to abrasion, erosion, corrosion, sliding wear, and heat barrier for improved performance ...
Decomposition of the Kenticha mangano-tantalite ore by HF/H2SO4 and KOH fusion Article

Goitom Gebreyohannes; Velázquez Del Rosario; Bogale Tadesse, etal (2018)

In this study, the decomposition behavior of Ta and Nb from the mangano-tantalite ore was investigated using HF/H2SO4 mixture and KOH fusion. The effects of reaction time, decomposition temperature, acid and alkaline ...
Abrasive Jet System And Its Various Applications In Abrasive Jet Machining, Erosion Testing, Shot-Peening, And Fast Cleaning Article

Barun Haldar; Tina Ghara; Rasid Ansari, etal (2018)

Abrasive jet system is one of the effective tools and found several present and future applications in many manufacturing industries and R&D sectors. In the form of abrasive jet it is used for machining like cutting, ...
Geographical information system based surface irrigation potential analysis (case study of keto catchment, western Ethiopia) Thesis

Endale Waktole; Tamene Adugna; Wakjira Takala (2016-11)

Although Ethiopia has a large potential to develop irrigation, only 7.84% of the 3.7 million hectares of land potentially available has been developed. To examine the underlying causes, this study evaluates the suitability ...
Evaluation on the Performance of Lowest Responsive Bid Contract and the Quality of Materials Used on Governmental Building Projects in Jimma Town Article

BinyamLetarge; Emer T. Quezon; Yolente C. Macarubbo (2016-12)

Construction industry participants have started recognizing that accepting the least bid price does not guarantee maximum value. Continuous problems of inferior quality of constructing facilities, high incidence of claims ...
Improving Transport Protocol for Reliable Data Transfer in Wireless Sensor Network Article

Andualem W/giorgis; Tofik Jemal; Salahdin Seid (2015)

In the current world of Technology, wireless sensor communication technology places the major role that led us the innovative idea of using new technology for many applications. This network is applied in many application ...
Design and optimization of hybrid solar pv, micro hydro and biomass power generation: the case of kedemesa kebele, agaro woreda, jimma zone Thesis

Fikadu kifle; Getachew Shunki; Professor A. Venkata (2016-12)

Ethiopia is one of the developing countries in the horn of Africa with a total population of over 80 million in 2007. Population where is living in rural areas, mostly access to modern electricity is difficult. Kedemesa ...

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