Solar Energy Devices
Courses
Learning Outcome
After the successful participation in the course Solar Thermal Heating the students are able to:
- distinguish solar thermal devices for domestic hot water with respect to radiation circumstances and geographical position
- assess design and dimensioning of different solar thermal energy devices for domestic hot water, space and swimming pool heating and air conditioning
Content
- Basics of heat transfer and thermodynamics
- Basics of solar radiation including:
- calculation of radiation on the inclined / adjusted area
- solar radiation distribution
- spatial and temporal solar radiation variations
- Components:
- collector (types, material, collector loop, energy balance, efficiency)
- heat carrier (thermophysical properties, pressure drop, heat transfer, chemical stability, solubility of gases)
- heat storage (different types and tasks, thermo-physical properties)
- Dimensioning of solar thermal plants according to its uses:
- domestic hot water plants, swimming pools, air conditioning
- district heating
- industrial use
- Planning the connection of the systems with one another and with the building
- Using planning tools and simulation programs (Meteonormm TSOL, POLYSUN, ect.)
- Monitoring and optimization:
- system failures
- methods for long term monitoring / system optimization
Details
- Lecturer: Mohamed Fawzi El-Refaie
- Teaching method: lecture, seminar
- SWS: 2
- Credit points: 2
- Examination: midterm assignments (40%); final exam (60%)
Learning Outcome
After the successful participation in the course Concentrated Solar Thermal Devices the students are able to:
- recognize operating limits of non-focusing collectors and the need for focusing collectors, the different types of solar concentrators and their relative merits
- assign output power, delivery temperatures and performance indices for different kinds of solar concentrator technologies
Content
- Driving factors for solar concentration techniques
- Mechanism of solar concentration
- Components of a concentrating collector
- Concentration ratio (theoretical vs. actual)
- Types and thermal performance of concentrating collectors
- Tracking
- Choice of collector mount
- Calculations to yield:
- output power
- delivery temperature (for specific types)
- the performance indices
Details
- Lecturer: Mohamed Fawzi El-Refaie
- Teaching method: lecture, seminar
- SWS: 2
- Credit points: 2
- Examination: midterm assignments (40%) ; final exam (60%)
Learning Outcome
After the successful participation in the course Photovoltaic Devices the students are able to:
- distinguish the solar radiation on oriented surfaces
- perceive the physics of photovoltaic cell materials, production, modules structure and basic electrical characteristics of the solar module
Content
- Basics of:
- electrical engineering
- characteristics of solar radiation (diffuse, direct, and albedo)
- PV design:
- solar cells physics (photovoltaic effect) and materials (mono-crystalline, multicrystalline, thin-film technology)
- estimating the radiation on PV modules
- semiconductor material and their application in PV
- Basic components of grid connected PV-Systems:
- sizing of PV-generator
- cabling, protection
- inverter-concepts (with and without transformer)
- Estimating performance criteria:
- evaluation criteria (energy yield, performance ratio, maximum power point (MPP), aim and techniques of MPP-tracking
- simulation tools (e.g. PV*SOL or INSEL) for the design and forecast of PV system performance, project work
- Local requirements and legislation for integration of PV systems to the utility grid
Details
- Lecturer: Nadia Raafat
- Teaching method: lecture, project work in groups
- SWS: 2
- Credit points: 2
- Examination: midterm assignments (40%); final exam (60%)