Mechanics and Thermodynamics for Electrical Engineers

• Understand and being able to calculate motions, moments and moments of inertia of rotating masses in connection with electric machines.
• Apply the work-energy-principle to simple, mechanical systems, and realize the analogies to the calculation of electric components such as resistors and capacitors.
• Have an understanding of materials’ strain and stresses under applied mechanical loading.
• Have an understanding of friction, and the length expansion of materials by exposure to heat.
• Conduct experimental verification of e.g. the correlation between mass moment of inertia and angular acceleration for an electrical machine.
• Understand and apply measuring equipment in a mechanical, experimental setup, including limitations and assumptions.
• Understand the phase change of substances.
• Understand the first law of thermodynamics for open and closed systems.
• Understand and being able to calculate heat transmission, convection in general and in connection with cooling of electrical applications.
• Be able to calculate various selected thermal processes such as heat pumps, cooling systems or thermal power plants.
• Understand and being able to calculate the efficiency of individual processes, including thermal and Carnot efficiency.
• Understand the fundamentals in terms of challenges behind Power-to-X technologies.

Mechanics:
• Motions, moments and moments of inertia for rotating bodies
• Materials’ friction and thermal expansion
• Work-energy-principle
• Experimental investigation of (excerpts of) theory
Thermodynamics:
• Basic thermodynamic systems
• Thermodynamic states and parameters, heat and work
• First law of thermodynamics for closed systems
• First law of thermodynamics for open systems
• Internal energy and enthalpy
• Phase changes and phase change enthalpy
• Selected circular processes, e.g., heat pumps, cooling plants and thermal power plants
• Heat transfer: conduction, convection and radiation

• 36 – 49 (Thurs 13-17)

A mixture of lectures, problem solving and experiments.

Section of Mechanical Technology
Faggruppe Mekanisk Teknologi
The course will be given by newly employed lecturer not yet registered in DTU’s systems.

Minimum: 5, Maximum: 50.

Please be aware that this course has a minimum requirement for the number of participants needed, in order for it to be held. If these requirements are not met, then the course will not be held. Furthermore, there is a limited number of seats available. If there are too many applicants, a pool will be created for the remainder of the qualified applicants, and they will be selected at random. You will be informed 8 days before the start of the course, whether you have been allocated a spot.