![]() ![]() ![]() 6 Conceptual significance in thermodynamic theory.3.4 Derivation of discrete formula and work expression.3.3 Derivation of P– V relation for adiabatic heating and cooling.1.1 Various applications of the adiabatic assumption.The pseudoadiabatic process is only defined for expansion because a compressed parcel becomes warmer and remains undersaturated. There, the process becomes a pseudo-adiabatic process whereby the liquid water or salt that condenses is assumed to be removed upon formation by idealized instantaneous precipitation. In meteorology and oceanography, adiabatic cooling produces condensation of moisture or salinity, oversaturating the parcel. For example, the adiabatic flame temperature uses this approximation to calculate the upper limit of flame temperature by assuming combustion loses no heat to its surroundings. Some chemical and physical processes occur too rapidly for energy to enter or leave the system as heat, allowing a convenient "adiabatic approximation". As a key concept in thermodynamics, the adiabatic process supports the theory that explains the first law of thermodynamics. ![]() Unlike an isothermal process, an adiabatic process transfers energy to the surroundings only as work. In thermodynamics, an adiabatic process (Greek: adiábatos, "impassable") is a type of thermodynamic process that occurs without transferring heat or mass between the thermodynamic system and its environment. ![]()
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