Thermo - electric principle
Absorption refrigeration system
Vortex tube system
Vapour compression system
refrigerant mixture
absorbent
cooling substance
auxiliary refrigerant
Lithium bromide in vapour absorption refrigeration system is used as absorbent.
Domestic refrigeration
Commercial refrigeration
Gas liquification
All of the above
Otto
Joule
Brayton
Carnot
Stirling
Ericsson
Bell-Coleman