Isothermal and isochoric change of state of air

Learning objectives/experiments

• demonstrating the laws of state changes in gases experimentally
• isothermal change of state, Boyle-Mariotte law
• isochoric change of state, Gay-Lussac’s 2^nd law

Determination of the adiabatic exponent according to Clément-Desormes

Learning objectives/experiments

• determination of the adiabatic exponent according to Clément-Desormes
• adiabatic change of state of air
• isochoric change of state of air

Pressure and temperature measurement in a steam boiler

Learning objectives/experiments

• recording the vapour pressure curve of water
• presentation of the relationship between pressure and temperature in a closed system
• temperature and pressure measurement

Pressure and temperature measurement in a steam boiler, software-supported experiments and evaluation

Learning objectives/experiments

• recording the vapour pressure curve of water
• presentation of the relationship between pressure and temperature in a closed system
• temperature and pressure measurement
• Marcet boiler experiment

Vertically falling body in liquid using specimens of different sizes and different materials

Learning objectives/experiments

• influence of the following parameters on the settling velocity of spheres:
  • diameter of the sphere
  • density of the sphere
  • density of the fluid
  • viscosity of the fluid

Experimental introduction to temperature measurement: methods, areas of application, characteristics

Learning objectives/experiments

• learning the fundamentals of temperature measurement by experimentation
• familiarisation with the various methods, their areas of application and special features
  • non-electrical methods: gas- and liquid-filled thermometers, bimetallic thermometers and temperature measuring strips
  • electrical methods: thermocouple, resistance thermometer Pt100, thermistor (NTC)
• determining air humidity with a psychrometer
  ….

Measurement of positive and negative pressure with different measuring devices

Learning objectives/experiments

• familiarisation with 2 different measuring methods:
  • direct method with U-tube manometer and inclined tube manometer
  • indirect method with Bourdon tube pressure gauge
• principle of a Bourdon tube pressure gauge
• calibrating mechanical manometers

Operation of a Bourdon tube pressure gauge and a piston manometer

Learning objectives/experiments

• working principle of a Bourdon tube pressure gauge
• calibrate manometers, read off applied pressure
• determine systematic errors
• principle of operation and working with a piston manometer

Comparison of different measuring methods and determining the flow coefficient

Learning objectives/experiments

• flow measurement with
  • orifice plate flow meter and measuring nozzle
  • Venturi nozzle
  • rotameter
• pressure measurement with Pitot tube
  ….

Comparison and calibration of different flow meters

Learning objectives/experiments

• together with different flow meters available as accessories
  • different flow meters and their principles of operation
  • calibration of different flow meters
  • position dependency of flow meters
  • plotting and comparison of pressure loss curves

Experiments on buoyancy, density, capillarity etc.; various methods of pressure measurement

Learning objectives/experiments

• study of buoyancy on a variety of bodies
• study of the density of liquids
• hydrostatic pressure, Pascal’s law
• communicating vessels
• determination of the centre of pressure
  ….

Investigation of fluid pressure on vessel walls

Learning objectives/experiments

• pressure distribution along an effective area in a liquid at rest
• lateral force of the hydrostatic pressure
• determination of the centre of pressure and centre of area
• determination of the resulting compressive force

Determining metacentre and buoyancy; rectangular frame cross-section

Learning objectives/experiments

• study and determination of
  • buoyancy, centre of buoyancy
  • centre of gravity, metacentre, stability
  • heel

Comparison of two different frame shapes: hard chine and round bilge

Learning objectives/experiments

• comparison of two different frame shapes: hard chine and round bilge

Volumetric flow measurement for large and small flow rates

Learning objectives/experiments

Together with the accessories HM 150.01 – HM 150.39:

• introduction to the fundamentals of fluid mechanics
• GUNT Media Center, develop digital skills
  • E-Learning course with fundamental knowledge and calculations
  • prepared CFD simulations for flow visualisation
    ….

Base module for experiments in fluid mechanics, system control via PLC

Learning objectives/experiments

• GUNT software content adapted to the specific accessories with
  • info: device description and learning module with theoretical fundamentals
  • experiment preparation: guided experimental setup
    and automatic bleeding of the experimental section
  • experiment overview: digital recording of measured values with graphical representation
    ….

Visualisation of laminar and turbulent flow

Learning objectives/experiments

• visualisation of
  • laminar flow
  • transition zones
  • turbulent flow
  • secondary flow in a pipe elbow
    ….

Measurement of laminar and turbulent flow

Learning objectives/experiments

• representation of the flow profile
• determination of local and averaged flow velocity
• effect of the Reynolds number on the flow profile
• recognise differences between laminar and turbulent flow formation
• pipe friction / shear stress
  ….

Relationship between cross-sectional area traversed and flow velocity

Learning objectives/experiments

• investigation of the continuity equation
• demonstration of conservation of mass
• identification of the influencing variables
  • cross-sectional flow area
  • pitch of the impellers
    ….

Demonstration of the principle of linear momentum; interchangeable deflectors with different deflection angles

Learning objectives/experiments

• application of the momentum equation
• measurement of the jet forces
• investigate influencing variables of jet forces
  • deflection angles
  • nozzle pre-pressure
    ….

Static pressure and total pressure distribution along the Venturi nozzle

Learning objectives/experiments

• energy conversion in divergent/convergent flow
• record the pressure curve in the Venturi nozzle
• determine the velocity curve in the Venturi nozzle
• qualitative evaluation of pressure losses
• identify influences of nozzle and diffuser on pressure loss
  ….

Static pressure and total pressure distribution along the Venturi nozzle

Learning objectives/experiments

• energy conversion in divergent/convergent pipe flow
• recording the pressure curve in a Venturi nozzle
• recording the velocity curve in a Venturi nozzle
• determining the flow coefficient
• recognising friction effects
  ….

Demonstration of the principle of linear momentum; interchangeable deflectors with different deflection angles

Learning objectives/experiments

• demonstration of the principle of linear momentum
• study of the jet forces
• influence of flow rate and flow velocity
• influence of different deflection angles

….

Visualisation of laminar and turbulent flow

Learning objectives/experiments

• visualisation of laminar flow
• visualisation of the transition zone
• visualisation of turbulent flow
• determination of the critical Reynolds number

….