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Home arrow Resources arrow ASHRAE Glossary
Glossary

 

The terms and definitions included in this glossary were taken from "ASHRAE Terminology of Heating, Ventilation, Air Conditioning & Refrigeration".
To access the complete glossary please visit ASHRAE's Bookstore.


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Term Definition
liquid pocket (liquid slug)


accidental trapping of liquid refrigerant at any point in the system 

 
liquid-vapor mixture

liquid and gaseous phases of a single substance or azeotrope usually at saturation 

 
liquor


solution used in absorption refrigeration
 
litre


SI unit of volume; (cubic decimetre) limited to capacity in dry measure of granular, freely pouring solids, and to fluid measure (both liquids and gases). No prefixes except milli or micro should be used
 
LNG


liquefied natural gas
 
load


1. amount of heat per unit time imposed on a refrigeration system by the required rate of heat removal.

2. energy absorbing device.

3. material, force, torque, energy, or power applied to or removed from a system or element.

4. to put data into a register or storage. See also Btu; capacity; kilowatt; ton; load units.

 

 
load management (electric)

deliberate control or influencing of user loads to affect the time of use of electric power and energy.

 
load profile


summary of thermal loads in a system over time. Note: e.g., A common load profile on a peak design day, for thermal storage designs would show hourly system load requirements for 24 hours 

 
loading error

1. error due to the adverse effect of a load on the transducer or signal source driving it.

2. error in transferring data from a data source to a computer memory. See also error 

 
locked rotor current (LRA; locked rotor

 

steady-state current taken from the line with the rotor locked and with rated voltage (and rated frequency in the case of alternating-current motors) applied to the motor.

locker plant cold-storage locker.

 




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