Ephrem Yohannes Assefa
Mekelle
Summary
Accomplished Senior Lecturer and Researcher at Mekelle University with over 16 years of expertise in renewable energy systems and hydropower optimization. Proven leader in multidisciplinary project management, utilizing advanced skills in MATLAB and effective communication to drive research excellence and mentor future engineers. Published author with a focus on energy performance evaluation.
Overview
16
16
years of professional experience
Work History
Senior Lecturer & Researcher
Mekelle University
Mekelle
01.2010 - Current
- Over 16 years of experience in teaching, supervising MSc/PhD research, and leading advanced projects in mechanical, thermal, and renewable energy systems.
- Directed numerous projects in cross-flow turbine design, hydropower optimization, and renewable energy integration.
- Managed multidisciplinary projects involving CFD simulations, MATLAB programming, and HOMER-based energy analysis.
- Published peer-reviewed articles on hydropower turbine optimization and energy performance evaluation.
- Courses Taught: MSc Level: Advanced Hydropower Plant, Solar Energy Technology, Wind Technology, Research Methods, Experimental Methods; Undergraduate Level: Thermodynamics, Heat and Mass Transfer, Mechanical Vibration, Turbomachinery, Fluid Mechanics, Power Plant Engineering.
Education
PhD - Hydropower Turbine Optimization
Mekelle University
Ethiopia01.2025
MSc - Energy Technology
Mekelle University
Ethiopia07.2014
BSc - Mechanical Engineering
Mekelle University
Ethiopia07.2009
Skills
- MATLAB, ANSYS CFX, and Fluent proficiency
- HOMER for energy assessments
- SolidWorks, AutoCAD, CATIA expertise
- CFD modeling with turbulence simulation
- Hydropower system design expertise
- Energy feasibility analysis capabilities
- Thermal energy systems knowledge
- Renewable energy systems understanding
Certifications Trainings
- Short-term Training on Pedagogical Skills, 03/03/10, 03/15/10, University of Gondar
- Short-term Training on Operational Research Protocol Development, 07/10/15, 07/15/15, University of Gondar
- Training Course: Troubleshooting and Maintenance of Pico Solar Systems, 11/12/15, 11/13/15, University of Gondar
- Certificate of Recognition - Presented Poster: Performance Study of Agro-Industrial Briquettes Using Hydraulic Press, 06/20/15, University of Gondar
- Certificate of Recognition - Presented Poster: Design and Development of Solar Cooker for Household Applications, 06/20/15, University of Gondar
- 17th International Training Course: Wind Turbine Technology and Application, 02/03/16, 03/01/16, Chinnie, India
- Certificate of Recognition - Presented Poster: Performance Study of Agro-Industrial Briquettes Using Hydraulic Press, 06/20/16, University of Gondar
Personal Email
ephymech@gmail.com
Personal Information
- Date of Birth: 05/07/86
- Nationality: Ethiopian
- Marital Status: Married
References
- Dr. Mulualem Gebreesillassie, Associate Professor, University of Schofield, M.Gebreslassie@shu.ac.uk
- Dr. Asfafaw Hailesilassie, Associate Professor, NTNU, asfafaw.h.tesfay@ntnu.no
Research Publications
- Yohannes, E., et al., 2025, Hydro-Structural Performance Evaluation of Cross-Flow Turbines Using One-Way Fluid–Structure Interaction: Effect of Blade Material and Runner Speed., Energies, 18, 17, 4540
- Yohannes, E., et al., 2025, Advanced Numerical Investigation of Cross-Flow Turbine Blade Optimization for Micro-Hydropower Applications., Energies, 18, 2, 318
- Yohannes, E., et al., 2025, Computational Fluid Dynamics-Based Optimization of Cross-Flow Turbine Blade Profiles., Energies
Courses Taught
Advanced Hydropower Plant, Solar Energy Technology, Wind Technology, Research Methods, Experimental Methods, Thermodynamics, Heat and Mass Transfer, Mechanical Vibration, Turbomachinery, Fluid Mechanics, Power Plant Engineering
Timeline
Senior Lecturer & Researcher
Mekelle University
01.2010 - Current
PhD - Hydropower Turbine Optimization
Mekelle University
MSc - Energy Technology
Mekelle University
BSc - Mechanical Engineering
Mekelle University
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