Research Laboratory of Functional Nanomaterials for Renewable Energy Generation and Photonics
The laboratory supports the teaching at TH Lübeck with lectures, laboratory exercises, and supervision of student projects as well as thesis work in the majors of physical engineering, environmental science and management, biomedical engineering, and auditory acoustics. Topics like physical fundamentals of renewable energies, solar technology, thermodynamics, and advanced math are covered in the lectures of Prof. Buczek.
The following laboratory exercises are hosted in the solar house:
- Renewable energies
- Computed based solar facility simulations using T*Sol und PV*Sol software
- Physical experiments
Renewable Energies
Solar Collector
- Functionality
- Calculations of efficiency under varying settings
Fuel Cell
- Functionality and operation of PEM-electrolyser and PEM-fuel cell
(PEM: Proton Exchange Membrane)
Solar Cell
- Voltage-current characteristics
Heat Radiation
- Emission coefficients of various materials
Wind Channel
- Aerodynamical characterization of objects with various shapes
- Measurement of flow velocities
Heat Pump
- Working principle and operation modes
- Measurement of pump’s and compressor’s efficiency
Solar Technology
Computed based solar facility simulations using T*Sol und PV*Sol software of company Valentin
Experimental physics
Acoustics
A1: Speed of sound in water
- Measurements of phase and group velocity
A2: Sound intensity attenuation in air
- Measurements of the exponential attenuation coefficient for the sound propagation in dissipative media
A3: Standing waves
Mechanics
M1: Spring pendulum
- Measurement of displacement
- Comparison of theoretical and measured values for the frequency and logarithmic decay based on the damped harmonic oscillator model
M2: Vibrating string
- Experimental characterization of vibrations excited in a string
- Comparison with a theoretical model
- Calculations of copper wire density
M3: Venturi tube
- Measurements of dynamic pressure drop in moving liquids
- Calculations of the flow rate based on the pressure drop
Thermodynamics
T1: The law of Boyle-Mariotte
- Experimental investigation of the relationship between pressure and volume of a gap in a vessel kept at constant temperature
- Experimental proof of the law of Boyle-Mariotte
T2: Thermal expansion
- Experimental determination of linear thermal expansion coefficient of different materials
T3: Air density and humidity
- Experimental determination of air density and humidity
- Determination of water vapor fraction in air
- The Raoult’s law
T4: Specific heat and heat of melting
- Measurements of heat capacity of a calorimeter and specific heat of several substances
- Experimental determination of the heat of melting of water