Fluid Flow and Thermal Physics (5ECTS)

Objective

The student is able to
- perform unit conversions
- present and apply the definitions of density and pressure
- describe the effects of pressure in fluids
- present the principle of the hydraulic lever
- apply the depth dependence of fluid pressure
- present and apply Archimedes’ principle
- define the basic flow quantities and use them
- study changes in the flow velocity using the equation of continuity
- model pumps and power losses in a flow
- work with temperature scales
- model the thermal expansion of materials
- model changes of state of a gas
- model processes including heat storage and phase changes

Content

- unit conversions
- density and pressure
- pressure in fluids
- hydraulic lever
- depth dependence of fluid pressure
- Archimedes’ principle
- basic quantities related to a fluid flow
- equation of continuity
- viscosity
- laminar and turbulent flow
- generalised Bernoulli law
- pumps and power losses in a flow
- temperature scales
- thermal expansion
- ideal gas
- heat capacity
- changes of state

Assessment criteria, satisfactory (1)

The student is able to
- perform simple unit conversions
- apply the definitions of density and pressure
- apply the model equation of the hydraulic lever
- find the fluid pressure at a given depth
- find the buoyancy exerted on a body
- find the volume flow rate and the mass flow rate of a fluid
- work with temperature scales
- find the relative changes of lengths and volumes of substances due to temperature variations
- work with the ideal gas equation
- compare the heat capacities of simple systems
- estimate the energies related to phase changes

Assessment criteria, good (3)

The student is able to
- perform unit conversions
- apply the definitions of density and pressure
- describe the effects of pressure in fluids
- present the principle of the hydraulic lever
- apply the depth dependence of fluid pressure
- apply Archimedes’ principle in cases of static equilibrium
- model simple fluid flows
- work with temperature scales
- model the simultaneous thermal expansion of several materials
- model changes of state of a gas
- model processes including heat storage and phase changes

Assessment criteria, excellent (5)

The student is able to
- perform unit conversions
- apply the definitions of density and pressure
- describe the effects of pressure in fluids and present the basics of hydraulics
- present the principle of the hydraulic lever
- apply the depth dependence of fluid pressure
- apply Archimedes’ principle to the dynamics of a body
- model fluid flows
- work with temperature scales
- model the simultaneous thermal expansion of several materials in complicated geometries
- model in detail changes of state of a gas
- model complicated processes including heat storage and phase changes

Assessment criteria, approved/failed

The student is able to
- perform simple unit conversions
- apply the definitions of density and pressure
- apply the model equation of the hydraulic lever
- find the fluid pressure at a given depth
- find the buoyancy exerted on a body
- find the volume flow rate and the mass flow rate of a fluid
- work with temperature scales
- find the relative changes of lengths and volumes of substances due to temperature variations
- work with the ideal gas equation
- compare the heat capacities of simple systems
- estimate the energies related to phase changes