5 Questions
What does a Psychrometric chart graph?
Thermodynamic parameters of moist air
Which component of the Psychrometric chart is the temperature as registered by an ordinary thermometer?
Dry bulb temperature (DBT)
What does the Wet bulb temperature (WBT) represent?
The temperature of moist air
What does the Dew point temperature (DP) represent?
The temperature when condensation of moisture begins
Which component of the Psychrometric chart represents the humidity ratio?
Saturation humidity (Ws)
Study Notes
Psychrometric Chart
- A Psychrometric chart graphs the relationship between the temperature, humidity, and energy content of air.
Temperature Components
- Dry bulb temperature (DBT) represents the temperature as registered by an ordinary thermometer.
- Wet bulb temperature (WBT) represents the lowest temperature that can be reached by a thermometer wrapped in a wet cloth and placed in an air stream.
- Dew point temperature (DP) represents the temperature at which the air becomes saturated with water vapor and dew or frost begins to form.
Humidity and Energy Components
- Humidity ratio, also known as the moisture content, represents the amount of moisture in the air.
Test your knowledge about psychrometry and psychrometric chart, which are essential in designing air-conditioning systems. Explore concepts such as determining the specifications of cooling or heating cycles and interpreting psychrometric charts.
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