isentropic expansion

isentropic expansion

[¦īs·ən′träp·ik ik′span·chən]
(thermodynamics)
Expansion which occurs without any change in entropy.
References in periodicals archive ?
The process 3-4 is an isentropic expansion process, in which the pressure is reduced to 4.
Moreover, the gas rate at the nozzle inlet increases by using the ARC, and the system has potential to recover more expansion energy which is the enthalpy difference at isentropic expansion.
The change in total pressure is calculated via isentropic assumptions/losses where the static enthalpy of air at the stator exit under isentropic expansion ([h.
The estimated isentropic efficiency of the turbine was then calculated knowing the enthalpy at State 3, the actual enthalpy at State 4, and the enthalpy at State 4, assuming isentropic expansion.
2] cycle is to approach isentropic expansion with a work-recovery machine (expander) rather than isenthalpic expansion with an orifice-type expansion device.
Decompression of high-pressure gas was always followed by a temperature drop due to the Joule-Thomson effect or isentropic expansion.
Isenthalpic expansion imposes a two-fold penalty on cycle performance compared with isentropic expansion in the Carnot cycle: the cooling capacity is reduced and the compressor work is increased.
The release of vapor jets can be approximated well assuming an isentropic expansion (reversible and adiabatic).
where [DELTA]h stands for enthalpy difference according to the isentropic expansion.
On Wednesday, August 2, instructors will discuss properties of solids at low temperatures, including brittle versus ductile behavior, mechanical properties of materials of construction at low temperatures, transport properties of materials at low temperatures, electrical properties of materials at low temperatures, sources of data on properties of materials and a properties of solids workshop, as well as refrigeration and liquefaction - the production of low temperatures, including basic principles of low temperature production, Joule-Thomson expansion, isentropic expansion, cryocoolers, regenerative cycles and pulse tubes, and a refrigeration workshop.
2] transcritical cycle, the isentropic expansion process (state point 3-5) takes place instead of the isenthalpic expansion process (state point 3-6).
STEP2: Under the isentropic expansion process, the volume of [CO.