Study Guide

Objectives

On this course, students deepen their knowledge of heat pumps and refrigeration processes. Upon completing the course, students will be able to:
• Present the thermodynamic basic processes of refrigeration engineering and identify common connection and device diagrams as well as main components of refrigeration systems.
• Calculate mass and energy balances of refrigeration processes and draw the refrigerant process onto a log p,h diagram.
• Research regulatory requirements in refrigeration engineering as well as refrigeration equipment and manufacturers.
• Size a heat pump system for providing heating and cooling to a building.
• Understand the structure and operation of different heat pumps and compressors, and apply them to various purposes.

Content

• Basic processes of compressor cycle, refrigerants, key standards, and regulatory requirements.
• Cold storage, heat pumps, refrigeration system piping connections, and controls.
• Compressors, evaporators, condensers, expansion valves, and other equipment components and their operation.
• Refrigeration lubricating oils.
• Sizing software for refrigeration processes and equipment.
• Heat pump systems and their various applications.

Prerequisites

Engineering Physics for Building Services, HVAC Systems or equivalent knowledge
Heating and Cooling Technology Applications or equivalent knowledge

Assessment criteria, satisfactory (1-2)

The student can describe the refrigerant cycle process and read a log p,h diagram and use basic equations related to refrigeration engineering. The student is familiar with the purposes of different heat pumps and the characteristics of compressors. However, the learning objectives have been achieved very inadequately.

Assessment criteria, good (3-4)

The student can apply values obtained from a log p,h diagram and use basic equations related to refrigeration engineering in an applied manner. They can analyze and describe the characteristics of various heat pump systems and conduct their sizing. While the learning objectives are mostly achieved, some deficiencies are present.

Assessment criteria, excellent (5)

The student can integrate a cooling system as part of a larger system. They can consider external factors when calculating cooling capacity. The student can professionally describe and analyze the characteristics of heat pump systems and conduct their sizing comprehensively, considering various alternatives without deficiencies.