Course description
In Application of Psychrometrics to Heating and Cooling , you'll learn ...
- Understand the basic terminology and definitions related to air properties
- Learn how to read the psychrometric chart
- Learn the relationship of seven (7) different air properties: DBT, WBT, RH, dew point, absolute humidity, enthalpy and specific volume
- Apply the psychrometric charts on air-conditioning applications
Overview
Credit: 6 PDH
Length: 56 pages
Psychrometry is the study of moist air. It is significant in terms of thermal comfort and is a major consideration in the design of air conditioning systems. Air conditioning engineers use the psychrometric chart to predict changes in the environment when the amount of heat and/or water in the air changes.
A psychrometric chart provides a convenient way to look at the air conditioning processes and it will answer why heated air can hold more moisture, and conversely, how allowing moist air to cool will result in condensation.
This 6-hr course gives an overview of psychrometrics and suggests how a better understanding of psychrometrics will improve air conditioning design and selection of equipment.
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Who should attend?
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 30 questions. PDH credits are not awarded until the course is completed and quiz is passed.
Training content
This course teaches the following specific knowledge and skills:
- Understand the basic terminology and definitions related to air properties
- Learn how to read the psychrometric chart
- Learn the relationship of seven (7) different air properties: DBT, WBT, RH, dew point, absolute humidity, enthalpy and specific volume
- Apply the psychrometric charts on air-conditioning applications
- Understand how the various properties of air are measured
- Understand various psychrometric processes - sensible heating and cooling, cooling and dehumidification, evaporative cooling, heating and humidification and air mixing
- Understand the air conditioning processes for four (4) extreme climatic conditions (Miami, Phoenix, Minneapolis and Seattle)
- Understand the difference between sensible heat and latent heat
- Understand the terms "sensible heat factor", "room sensible heat factor" and "grand sensible heat factor"
- Understand how to calculate the required volume air flow rate
- Understand how to compute the cooling coil capacity
- Understand standard equations used in air conditioning
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