• Design and performance Evaluation of solar thermal baking system using Scheffler reflector integrated with basalt rocks as energy storage for household Thesis 

  Abduselam Aliyi; A. Venkata Ramayya; Fikru Sintayehu (2024-06)

  This study investigates the use of a solar thermal baking system with a Scheffler reflector and basalt rocks as an energy storage medium to meet the increasing energy demands for baking while minimizing environmental ...
• Design Modelling And Simulation Of Injera Baking Steam Oven By Using Biogas Boiler For Small Scale Industry Thesis 

  Shewatatek Hailegebrael; Balewgize Amare; Fikadu Kifle (2024-04)

  Energy is one of the basic things needed to satisfy basic human needs. The main energy source of developing countries for cooking comes from biomass. Like most developing countries, Ethiopia is also dependent on using ...
• Enhanced Biogas Production from Co-digestion of Lignocellulosic Biomass with Food Waste: An Experimental Study with Coffee Husk and Water Hyacinth Article 

  Ibro, Mohammed Kelif; Ramayya Ancha, Venkata; Lemma, Dejene Beyene (2024-05-29)

  Waste-to-bioenergy conversion from lignocellulosic materials like water hyacinth (WH) and coffee husk (CH) can lead to multiple benefits such as freshwater body protection, eutrophication, and renewable energy generation ...
• EXPERIMENTAL INVESTIGATION ON CO-PYROLYSIS OF CORNCOB AND WATER HYACINTH: SYNERGETIC EFFECT ON BIOCHAR PROPERTIES AS SOIL AMENDMENT Thesis 

  Mideksa, Gemechis; Ramayya, Venkata; Limore, Tarekegne (2024-05-29)

  Pyrolysis of water hyacinth is the best alternative to control the infestation of this weed through producing biochar for soil amendments due to its contents of essential nutrients required for soil fertility. However, ...
• Aerodynamic Analysis Of Bishoftu Plutus Double Cabin Pick-Up Vehicle With Vortex Generators Thesis 

  Belete Erbelo; N. Ramesh Babu; Eshetu Tadesse (2024-06)

  The science of aerodynamics determines how gaseous fluids such as air, flow as well as the forces, exerted on moving objects such as automobiles. Due to the significant increase in fuel prices and vehicle speeds since ...
• Numerical and Experimental Analysis of Base Cavity and Windshield Angle for Aerodynamic Drag Reduction of Bishoftu Bus Thesis 

  Daniel Hailu; N. Ramesh Babu; Abraha Kahsay (2024-01)

  In response to rising fuel prices, limited availability, and environmental concerns, the automotive industry has focused on reducing aerodynamic drag to reduce vehicle consumption of fuel and carbon dioxide emissions. ...
• Numerical and Experimental Analysis of External Aerodynamic Forces on the Locally Manufactured Outer Body of an FSR Isuzu Bus: Towards Drag Reduction with Roof Fairing and Rear Tail Plate Thesis 

  Mintesinot Getahun; N. Ramesh Babu; Amanuel Tesfaye (2024-01)

  Automotive aerodynamics is a crucial field in the automotive industry, particularly in the design of road vehicles. Buses, which can carry up to 300 passengers, are heavy vehicles with high fuel consumption. Also, now ...
• Design And Analysis Of Shaft With Pure Aluminum And 0.75%Magnesium Alloys By Finite Element Ana Thesis 

  Wejera. Jemal; Tadele Mamo; Fanta Werky (2024-02)

  In recent decades, modern service performance demanded alloys elements with a broad bundle of properties, which are quite dif icult to achieve using alloys elements. Now a day shaft material was the solution to specific ...
• A Study on Experimental and Mathematical Analysis of Parabolic Shaped Mixing Chamber for Abrasive Water Jet Machining to Improve Performance Thesis 

  Hafiz, Fentaw (2024-02-11)

  The development of abrasive water jet (AWJ) as a type of high-density energy processing technology is widely recognized. Because of its heatless and noncontact processing capabilities, AWJ is used to quickly achieve ...
• Site suitability analysis of solar powered non wooden biomass briquetting plant in Gambella Region Thesis 

  Riek, Koat Jing (2023-10-17)

  Biomass briquetting can provide a great opportunity for alternative cooking energy source; improve living standard of the people and ensure sustainable development of county. The finding of this research reveal that ...
• Design and Optimization of PCM integrated Solar Water Heating System: Case Study Limmu Gennet Hospital Thesis 

  Tolosa, Oluma Wolde; Zeru, Balewgize Amare; Bogale, Nebyou; Bogale (2023-09-12)

  Solar energy is abundant renewable energy available everywhere, environmentally friendly and easily harnessed, and used for domestic and industrial water heating ap plications. Since this energy is alternating, a thermal ...
• Design Optimization and Performance Evaluation of Manual Screw Press Crude Honey Extractor Article 

  Gula, Galana Fufi; Shunki, Getachew; Tsegaye, Mekdes (2023-10-25)

  In Ethiopia, an estimated 5.89 million beehives out of which farmers keep about 5.66 million beekeepers use traditional hives. Honeycombs from these hives and colonies are normally harvested and extracted using traditional ...
• Study of Wear Behavior on AA6061 Reinforced with Hybrid Ceramic Composites through Optimization Article 

  Shabbir, Omar; Alagarsamy, S.V.; Krishnamurthy, C.; Nagaraj, A; Singh, Pradeep Kumar; Sida, Sisay Ketema (2023-04-11)

  Tis present work uses the three main components for alloying, silver nitrate, aluminium nitride, and titanium diboride. Stir casting was used to make AA 6061 composites with varying weights of 0, 3, 6, 9, and 12%. ...
• Effect of zirconium and niobium on the microstructure and mechanical properties of high-strength low-alloy cast steels Article 

  Makeshkumar, M; Anburaj, J; Kumar, M Sasi (2023-05-15)

  The aim of this work is to study the effect of zirconium and niobium on the refinement of grain size and mechanical properties of micro-alloyed cast steels in heat treated conditions. Five micro-alloyed cast steels with ...
• Dynamic Analysis and Optimization of Autorickshaw Suspension System to Improve Rollover Stability During Cornering Thesis 

  Bililign Frehun; Mesay Alemu; Abiyu Solomon (2023-09)
• Design and Analysis of Nanosheet Field-Effect Transistor for High-Speed Switching Applications Article 

  Kumar, Ravi; Kumar, E. Sathish; Vijayalakshmi, S.; Prasad, Dumpa; Mohamedyaseen, A.; Choubey, Shruti Bhargava; Vignesh, N. Arun; Santhosh, A. Johnson (2023-07-24)

  Self-heating effects and short channel effects are unappealing side effects of multigate devices like gate-all-around nanowire-field effect transistors (FETs) and fin FETs, limiting their performance and posing reliability ...
• Characterization and parametric optimization of additive manufacturing process for enhancing mechanical properties Article 

  Tura, Amanuel Diriba (2022-04-04)

  Additive manufacturing (AM), also known as 3D printing, is a cutting-edge industrial production technique that enables the creation of lighter, stronger components and systems. Fused deposition modeling (FDM) is a popular ...
• Adjusting and Performance assessment of an elliptical dish (scheffler reflector). In case of an installed scheffler coffee roaster at Jimma University. Thesis 

  Serawit Demeke; Ancha Venkata; Jemal Worku (2021-03-09)

  Solar energy is now days one of the most important source of energy due to the scarcity (limited source of fossil fuel) and environmental crisis of carbon release from fossil fuel. It is clean and has no any negative ...
• Effect Of Pyrolysis Parameters On The Bio-Oil Production Yield From Cassava Peels Thesis 

  Koshikwinja Matabishi; Venkata Ramayya; Million Merid (2021-11)

  Cassava peels (CP) constitute an important source of energy in the tropical region, are one of the most abundant agricultural residues, and have a high biofuel production potential. This thesis work investigates the ...
• Laser Heat Treatment And Surface Coating Of Hot X40crmov5-1 Steel Thesis 

  Sichale Worku; Mirosław Bonek; Hirpa G. Lemu (2023-08)

  The manufacturing industry continually seeks innovative methods to enhance the mechanical properties, wear resistance, and overall performance of materials used in critical applications, such as in the production of ...

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