Refrigeration and Refrigeration SystemsLaajuus (5 cr)

Objective

The student can draw the refrigeration process for the log p,h drawing, use it to evaluate the operation of the refrigeration system and calculate the starting values of the equipment dimensioning. The student can describe the components of refrigeration systems and explains their meaning and function as part of the system. The student can calculate the cooling power requirement of a cold storage, choose a refrigerant, design a refrigeration system on a schematic level and dimension the equipment and pipes.

Content

The main parts of the refrigeration systems. Operating principle. Coefficient of performance and the energy balance of refrigeration system. Refrigerants. Log p,h drawing. Pipe diagrams. Calculation of cooling demand. Refrigerant selection. Sizing of main components and pipes.

Qualifications

Competences of the following studies:
Heat Transfer and Fluid Mechanics
Measurement Projects of HVAC Technology
Heat Pumps and Heat Pumps Plants

Assessment criteria, satisfactory (1)

The student can apply the skills and knowledge listed above with guidance.

Assessment criteria, good (3)

The student can independently apply the skills and knowledge listed above.

Assessment criteria, excellent (5)

In addition to the requirements listed above, the student can give grounds for the solutions he or she has chosen and develop these solutions.

Assessment criteria, approved/failed

The student can apply the skills and knowledge listed above with guidance.