635-2035/01 – Alternative Energy Sources (AEZ)
Gurantor department | Department of Thermal Engineering | Credits | 6 |
Subject guarantor | doc. Ing. Marek Velička, Ph.D. | Subject version guarantor | doc. Ing. Marek Velička, Ph.D. |
Study level | undergraduate or graduate | Requirement | Compulsory |
Year | 2 | Semester | summer |
| | Study language | Czech |
Year of introduction | 2019/2020 | Year of cancellation | |
Intended for the faculties | FMT | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
Student will be able:
- to calculate optimal orientation and power of solar collector and photovoltaic cell
- to calculate power of wind engine and water engine
- to assess particular renewable energy sources
- to compare types of fuel cells
- to compare various ways of energy storage
Teaching methods
Lectures
Tutorials
Summary
Solar energy – solar radiation basic parameters, solar positioning. Solar thermal collectors, barrier-layer photocell. Wind energy – wind engine output, wind power plants. Energy of seas and water flows. Energy of biomass: thermal, biotechnological and chemical processes. Low temperature and high temperature geothermal energy. Heat pumps. Nuclear energy. Hydrogen technologies. Fuel cells. Energy storage.
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Written test and oral exam.
E-learning
Other requirements
Basic knowledge of maths, physics and chemistry.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
• Solar energy. Solar spectrum, solar constant, Positioning the Sun. Solar energy flux density, direct sunlight, diffuse sunlight, total solar radiation. Energy to insulated area.
• Solar collectors - flat, vacuum, concentration. Energy absorbed by collector, collector efficiency.
• Photovoltaic conversion. Band gap. Photovoltaic cells - types, performance, efficiency, connection. Photovoltaic power plants.
• Wind energy: Parameters and vertical wind profile. The kinetic energy and wind power. Betz’s law. Output wind engine, tip-speed ratio. Wind turbine - rotor, gearbox, generator, system yaw of engine room, tower, control system. The potential of wind energy in the Czech Republic.
• The energy of water flows. Specific energy, output of the water engine. The main kinds of water turbines. Hydroelectric power plant in the Czech Republic and the world. Ocean energy. - sea waves, tides, ocean currents, temperature gradient between different depths, osmotic processes, thermal energy, etc.
• Biomass. Biomass for energy uses - purposely grown biomass, waste. EROEI. The methods of extracting energy from biomass. Thermal processes - combustion, gasification, pyrolysis. Biotechnological processes - anaerobic digestion and ethanol fermentation. Chemical processes - biodiesel.
• Geothermal energy. Geothermal gradient, heat flow. Geothermal resources. Geothermal power plants.
• Heat pumps. Principle, COP. Refrigerants for HP. Types of heat pumps: air - air, air - water, water - water, ground - water. The environmental aspect in the application of heat pumps.
• Nuclear energy. Energy from nuclear reactions. Ways to control the chain reaction. Nuclear reactor. Nuclear power plants. Fusion energy.
• Hydrogen technologies. Production of hydrogen from fossil fuels, electrolysis of water.
• Fuel cells. The principle, types - A, PEM, PA, MC, SO. Development and application of FC.
• Energy storage - electromechanical, thermal, chemical.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction