To give an overview of solar thermal collectors and solar thermal systems, to describe their applications and to introduce students to the modelling of solar collectors and systems performances, their sizing and design.

Student responsibilities:

Attending lectures and excercises Making homeworks Making seminar works

Grading and evaluation of student work over the course of instruction and at a final exam:

Lectures and excercises 20% Homeworks 30% Seminars 50%

Upon successful completion of the course, students will be able to (learning outcomes):

1 . To determine an apporpiate type of solar collector and solar system for a specificapplication.

2 . To size all solar system components for a given energy need.

3 . To select an optimal solar thermal system in respect to its energy efficiency, operating and investment costs.

4 . To evaluate use of solar hot water system as a measure of increasing energy efficiency of energy supply in buildings and industry

5 . To measure thermal-hydraulic characteristics of solar collectors and systems.

Lectures

1. Principle of renewable energy flow, types and characteristics of renewable sources, efficiency of conversion of renewable energy into useful form, energy storage.

2. Technical regulations - use of renewable sources in buildings and industry, application of RES in almost zero energy buildings and zero CO2 emission buildings

3. Solar energy - characteristics, status in the world, EU and R.Croatia, energy measures and programs to increase utilization, devices and systems for utilization, examples of installations.

4. Characteristics of solar radiation, atmospheric influence, geometric quantities, calculation and measurement of solar radiation

5. Calculation of optimal collector slope.

6. Solar collectors, types, characteristics, application, development of new technologies.

7. Numerical modeling of heat transfer in plate and vacuum tube collectors.

8. Analysis of the design parameters influence on collector efficiency.

9. Solar thermal systems in buildings and industry, types, characteristics, applications

10. Solar cooling, types, characteristics, application. Passive solar systems.

11. Testing of solar collectors and systems.

12. Optimizing collector area and storage tank volume.

13. Dynamic numerical simulations of solar hot water system operation in a low energy building.

14. Solar district heating, examples and calculations.

15. Delivered and primary energy of the solar hot water system for heating and DHW preparation, energy certificate.izrada energetskog certifikata. Prezentacije seminarskih radova.

Exercises

1. Search online databases of relevant institutions related to monitoring the production and use of renewable sources.

2. Analysis of production and share in the total consumption of a certain renewable energy. Assignment of a seminar works.

3. Presentation of student seminar works on the use of solar energy in the world and the EU.

4. Calculation of annual solar radiation on a inclined surface dwith single and two-axis tracking of the Sun. Assignment of a seminar works.

5. Optimizing the hourly, monthly and annual inclination of the collector for different purposes. Presentation of seminar works.

6. Laboratory exercise-demonstration: solar collectors, types, construction.

7. Calculation of plate collector efficiency under different operating conditions. Assignment of a seminar works.

8. Analysis of the influence of geometric parameters on the efficiency of plate and vacuum collector.

9. Presentation of seminar works.

10. Laboratory exercise-demonstration: solar hot water systems, components, control operation.

11. Laboratory exercise-testing of thermal characteristics of a solar collector.

12. Numerical example of simulation of solar system operation during the year for heating and DHW preparation. Assignment of a seminar works.

13. Laboratory exercise-testing of thermal characteristics of the solar system.

14. Numerical example of simulation of solar district heating system operation.

15. Numerical example of calculation of delivered and primary energy of a building with a solar system, preparation of an energy certificate. Presentations of seminar works.

Compulsory literature:

1. Script Renewable energy sources - Use of solar energy in thermal systems,, FSB, Zagreb, Dović D., , 2012, p. 0-0

2. Script Renewable energy sources - Applied solar technology-advanced part, FSB, Zagreb, Dović D., , 2017, p. 0-0

3. Materials for lectures - Solar thermal systems, FSB, Zagreb, Dović D., , 2020, p. 0-0

Recommended literature:

4. Solar engineering of thermal processes. 2nd ed., J.Willey&Sons, New York., Duffie, J.A.; Beckman, W.A., , 1991, p. 0-0

5. Renewable energy resources, E&FN SPON, N.Y., Twidell, J.; Weir, T., , 1998, p. 0-0