Lecture 1: Introduction to HVAC - SatchNet Electronic Systems
Lecture 1: Introduction to HVAC - SatchNet Electronic Systems
Lecture 1: Introduction to HVAC - SatchNet Electronic Systems
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AIR CONDITIONING TERMS:<br />
Invensys Σ<br />
Relative Humidity: The degree of saturation of air at a particular dry bulb<br />
temperature. It is expressed as a percentage. At 100% RH the air is fully<br />
saturated with water vapour.<br />
Sensible Heat: The heat contained in the dry air content of an air/ vapour<br />
mixture which affects the dry bulb temperature only.<br />
Latent Heat: The heat contained in the vapour content of an air/ vapour<br />
mixture.<br />
Enthalpy (Total Heat): The sum of the sensible and latent heats of the air<br />
and the water vapour it contains. It is measured in Kj/Kg of dry air in the<br />
mixture.
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