Evaporation is used for cooling in refrigerators. In refrigerator's freezing compartment, a gas, lets say freon is evaporated. Evaporation needs energy, therefore when freon evaporates it takes this energy from the surrounding, thus evaporation decrease the temperature of surrounding.
Usually it is a machine for reducing the temperature of the air inside a house or car by using a heat-pump that works on the same principle as a refrigerator. It just makes your house a big refrigerator that you sit inside.
Thermodynamics is the branch of science that deals with heat and energy transfer. In the case of a refrigerator, thermodynamics is crucial in understanding how it works. The basic principle is that heat naturally flows from a warmer object to a cooler one. The refrigerator uses this principle to remove heat from the inside of the fridge and expel it outside, keeping the inside cool. This process is achieved through a cycle of compression, condensation, expansion, and evaporation of a refrigerant gas. By manipulating these thermodynamic processes, a refrigerator can effectively cool its interior.
transformer works induction principle
Bernoullis principle
transformer works induction principle
archimedes' principle
motor works on the principle of mutual induction.
insurance works on the principle of indemnity, law of large numbers, principles of utmost faith etc.
it works on the electromagnetic principle the conductor cuts the magnetic field which produces induces emf for the flow of current
An evaporator in a refrigerator system works by absorbing heat from inside the refrigerator, causing the refrigerant inside the coils to evaporate into a gas. This process cools the interior of the refrigerator. The evaporator coils are where the evaporation of the refrigerant occurs, and the circulation of air inside the refrigerator helps to transfer the heat from the interior to the coils.
A jet engine works under the principle of force versus thrust.
the principle on which an electromagnetic crane works is electromagnetic induction