12 Dezembro 2016, 20:00 Rui Castro

Questions and answers about the wind project group assignment. 


5 Dezembro 2016, 20:00 Rui Castro

Presentation by Dr. Elsa Ramalho.

Chapter 7 - Renewable energetic resources: Geothermal resources. 
Presentation; Small movie about geothermal energy (20’); Geothermal resources: legal definition; Origin of geothermal energy; Advantages and disadvantages of its use; Types of geothermal resources and their distribution in Portugal; Shallow geothermal energy and its uses. Direct uses. Enhanced geothermal systems (EGS); District heating; Importance of geothermal parameters estimation; Geothermal gradient, thermal conductivity, heat flow density, heat production; Local geothermal resources assessment; National geothermal resources assessment; Regional geothermal resources assessment.


28 Novembro 2016, 20:00 Rui Castro

Presentation by Prof. Santino Di Berardino

Chapter 6 - Biomass. Conventional and alternative energy sources. Wastes are them a renewable energy? Organic Waste Problems. Hierarchy of options in Solid Waste management. Energy from wastes and biomass - Available Technologies. Sustainability Model. Biomass based economy. Sanitary landfill. Directive on landfilling. Sludge application in soil. Soil fertility. Energetic crops. Technologies for Sustainability in Industry. What is Anaerobic Digestion? Anaerobic Digestion technology. Valorization of wastes in Agriculture. Biogas Cycle.


21 Novembro 2016, 20:00 Rui Castro

Presentation by Prof. António Sarmento
Chapter 5 - Ocean energy. The Ocean: a huge theoretical resource. Scale of the resource assessment. The Ocean: a relevant market resource. Long-term market potential. Ocean energy technologies. Costs & financial support. Power take-off alternatives. Wind waves and swells. How to describe a wave. Propagation velocity (phase velocity). Refraction effects due to bottom bathymetry. Real sea waves – Significant wave height. Wave spectrum. Characterization of the sea. A scatter diagram. How performance changes with the waves. Wave and Resource Statistics.


14 Novembro 2016, 20:00 Rui Castro

Chapter 4 - Small-Hydro Plants. Definitions. Chronological flow time series. Flow Duration Curve (FDC). Turbine types. Turbine choice. Turbine efficiency. Electrical Energy Computation: Simplified Model. Nominal power: installed capacity. Electrical energy computation.