Study Guide

Objectives

In this course, you will learn the physics important for HVAC building technology, the topics of which are flows, pressure, heat transfer, heat in changes of state, enthalpy

After completing the study course, you
• know the quantities that describe pipe flow such as flow rate, volume and mass flow, their units and the dependencies between the quantities
• know the concepts of static, dynamic and hydrostatic pressure
• know how to model frictionless flow and know the concept of viscosity
• can calculate the thermal resistance of a simple structure, the heat transfer coefficient and the heat flow through a plane and cylinder surface
• know how to handle the refrigerant process through changes in the state of the substance, you know the concept of enthalpy and understand the meaning of the cold and heat coefficient
• know the equation of state of an ideal gas and understand the dependence between the state quantities of gases

Content

Flow, heat transfer, heat in changes of state, refrigerant processes, gas equation of state

Assessment criteria, satisfactory (1-2)

• knows objects and phenomena related to the topic
• partially knows how to relate objects and phenomena related to the topic to technology and everyday applications
• knows the quantities related to the objects and phenomena of the subject area, the related units and the laws between the quantities only in familiar, exemplary situations.
• has a basic idea of the phenomena related to the subject area of insufficient qualitative level
• Recognizes the basic phenomena of physics appearing in problems related to the topic, the whole is partly unstructured and incomplete.
• can describe on a qualitative level some of the basic principles of solving problems related to the topic and makes his solutions as copies of previously studied examples.
• recognize, with support or based on a previous example, the quantities related to the problems and their preservation or change
• the selection of the laws needed to solve the problems is based on support or ready-made example models. Self-directed selection of models is uncertain and partly random.
• knows how to solve computational problems in situations that are, for example, familiar
• can sometimes state the solutions of computational problems with suitable accuracy of presentation
• the student has challenges justifying the choices he has made orally or in writing
• there are challenges in assessing the correctness and reliability of computational solutions.
• Works in the measurement related to the topic as part of a group

Assessment criteria, good (3-4)

• knows the objects and phenomena related to the topic
• knows how to connect objects and phenomena related to the topic to technology and everyday applications
• knows the quantities related to the objects and phenomena of the topic, their units and the basic laws of physics between the quantities
• have a basic idea of the right qualitative level about the phenomena related to the topic
• can identify the basic phenomena of physics that are relevant to the solution of the problems in the problems related to the topic
• can describe on a qualitative level the basic principles of solving problems related to the subject area and justify the choices they have made related to solving problems
• identify the quantities related to problems and their preservation or change
• knows how to choose the laws needed to solve problems
• Knows the limitations of the laws he uses
• knows how to solve computational problems by making good use of the laws of his choice
• knows how to state the solutions of computational problems with appropriate accuracy of presentation
• can justify the choices he made orally or in writing
• knows how to evaluate the reasonableness, correctness and reliability of the calculated solutions he has made
• can carry out a simple measurement related to the topic and interpret the results obtained through the quantities and basic laws they have adopted

Assessment criteria, excellent (5)

• knows the objects and phenomena related to the subject area and their connection to other subject areas
• knows how to comprehensively relate objects and phenomena related to the topic to technology and everyday applications
• thoroughly knows the quantities related to the objects and phenomena of the topic, their units and the basic laws of physics between the quantities and knows their limitations
• has a basic idea of the right qualitative level about the phenomena related to the topic and knows how to express it to others
• can identify the basic phenomena of physics that are relevant to the solution of the problems in the problems related to the topic
• can describe on a qualitative level the basic principles of solving problems related to the subject area and justify the choices they have made related to solving problems
• identify the quantities related to the problems in a broad area, and their preservation or change
• knows how to choose the laws needed to solve problems
• Knows the limitations of the laws he uses
• knows how to solve computational problems by making good use of the laws of his choice
• knows how to state the solutions of computational problems with appropriate accuracy of presentation
• can justify the choices he made orally or in writing
• can reasonably assess the reasonableness, correctness and reliability of the calculated solutions he has made
• can implement and, if necessary, plan a simple measurement related to the topic and interpret the results obtained through the quantities and basic laws they have adopted.