Solar Energy Devices

Module Title Solar Energy Devices
CompetencyReviewing different technologies of solar energy competency
Courses Title Teaching Method SWS Credits Performance requirements/Examination
Solar Thermal Heating
lecture, seminar 2 2 written exam, presentation
Concentrated Solar Thermal Devices
lecture, seminar 2 2 written exam, presentation
Photovoltaic Devices lecture, project work in groups 2 2 written exam
Semester winter
Responsible Khalil
Site Cairo
Lecturer(s) Mohamed Fawzi El-Refaie
Mohamed Fawzi El-Refaie
Nadia Raafat
Language English
Workload 90 hours course attendance
60 hours self-study
Credits 6
Recommended Qualifications  -
Learning Outcomes a) Solar Thermal Heating
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.
b) Concentrated Solar Thermal Devices
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.
c) Photovoltaic Devices
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.
Contents a) Solar Thermal Heating
  • 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
b) Concentrated Solar Thermal Devices
  • 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
c) Photovoltaic Devices
  • 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
Media Black board and beamer, lectures and power point presentations.
Literature
  • J.A. Duffie and W.A. Beckman, Solar Engineering of Thermal Processes, Wiley, 3rd edition, 2006.
  • H.-M. Henning, Solar-Assisted Air-Conditioning in Buildings: A Handbook for Planners, Springer; 2nd edition, 2007.
  • A.B. Meinel and M.P. Meinel, Applied Solar Energy, Addison-Wesley Publishing Company, 1977.
  • M. M. Elsayed, I.S. Taha and J.A. Sabbagh, Design of Solar Thermal Systems, Scientific Publishing Center, King Abdulaziz University, Jeddah, KSA, 1994.
  • Selection of published papers (will be handed out).
  • T. Markvart and Luis Castaner (ed.), Practical Handbook of Photovoltaics, Fundamentals and Applications, Elsevier Science, 1st edition, 2003.
  • A. Goetzberger and V.U. Hoffmann, Photovoltaic Solar Energy Generation, Springer, 1st edition, 2010.
  • R.A. Messenger and J. Ventre, Photovoltaic Systems Engineering, CRC Press, 3rd edition, 2010.
  • J.A. Duffie and W.A. Beckman, Solar Engineering of Thermal Processes, John Wiley & Sons Inc., 3rd edition, 2006.
  • M.A. Green, Third Generation Photovoltaics: Advanced Solar Energy Conversion, Springer, 2005.