Wet-bulb temperature: Difference between revisions

Latest revision as of 11:57, 17 June 2021

wet-bulb temperature

Isobaric wet-bulb temperature: the temperature an air parcel would have if cooled adiabatically to saturation at constant pressure by evaporation of water into it, all latent heat being supplied by the parcel.
Adiabatic wet-bulb temperature (or pseudo wet-bulb temperature): the temperature an air parcel would have if cooled adiabatically to saturation and then compressed adiabatically to the original pressure in a moist-adiabatic process.

This is the wet-bulb temperature as read off the thermodynamic diagram and is always less than the isobaric wet-bulb temperature, usually by a fraction of a degree centigrade.
The temperature read from the wet-bulb thermometer.

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 #<div class="definition"><div class="short_definition">Isobaric wet-bulb temperature: the [[temperature]] an [[air parcel]] would  have if cooled adiabatically to [[saturation]] at constant [[pressure]] by [[evaporation]] of water into it,  all [[latent heat]] being supplied by the parcel.</div><br/> </div>
-#<div class="definition"><div class="short_definition">Adiabatic wet-bulb temperature (<br/>''or'' pseudo wet-bulb temperature): the [[temperature]] an [[air parcel|air  parcel]] would have if cooled adiabatically to [[saturation]] and then compressed adiabatically to the  original [[pressure]] in a [[moist-adiabatic process]].</div><br/> <div class="paragraph">This is the wet-bulb temperature as read off the [[thermodynamic diagram]] and is always less  than the [[isobaric wet-bulb temperature]], usually by a fraction of a [[degree]] centigrade.</div><br/> </div>
+#<div class="definition"><div class="short_definition">Adiabatic wet-bulb temperature (''or'' pseudo wet-bulb temperature): the [[temperature]] an [[air parcel|air  parcel]] would have if cooled adiabatically to [[saturation]] and then compressed adiabatically to the  original [[pressure]] in a [[moist-adiabatic process]].</div><br/> <div class="paragraph">This is the wet-bulb temperature as read off the [[thermodynamic diagram]] and is always less  than the [[isobaric wet-bulb temperature]], usually by a fraction of a [[degree]] centigrade.</div><br/> </div>
 #<div class="definition"><div class="short_definition">The [[temperature]] read from the [[wet-bulb thermometer]].</div><br/> </div>
 </div>