isentropic


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Related to isentropic: Isentropic flow, Polytropic

isentropic

[¦īs·ən¦träp·ik]
(thermodynamics)
Having constant entropy; at constant entropy.
References in periodicals archive ?
where: [beta] is the isentropic bulk modulus [Pa]; u is the speed of sound [m/s]; [rho] is density of the sample [kg/[m.
The second was to combine the processes of isothermal and isentropic compression.
Figures 1 and 2 show the variation of ultrasonic velocity and isentropic compressibility of dihydro pyrimidines in DMF and DMSO solutions with concentration at 298.
The compressor isentropic efficiency and heat loss factor from compressor shell were also the input.
Conventional reciprocating compressors operate on the efficient nearly isentropic compression cycle.
Modeling Simulation Conditions Used For Comparisons to Baseline Refrigerants Refrigerant Evaporator Evaporator Condenser Candidates Saturation Super Saturation Temperature Heat Temperature [[degrees]F] [[degrees]F] [[degrees]F] ([degrees]C) ([degrees]C) ([degrees]C) R123 & R134a [40](4) [0](0) [100](38) R404A [-30](-34) [5](3) [114](46) R410A & R22 [50](10) [20](11) [115](46) Refrigerant Condenser Isentropic Candidates Subcooling Compressor [[degrees]F] Efficiency ([degrees]C) R123 & R134a [0](0) 0.
The model assumes the same condenser and evaporator saturation temperatures, evaporator leaving superheat, condenser leaving subcooling, and compressor isentropic efficiency for all refrigerants.
When this mixture enters the evaporating section, it undergoes what Zhang and Faghri (2008) describe as a constant pressure heat addition combined with an isentropic pressure increase due to bubble expansion (i.
The ideal vapor compression cycle consists of four processes: (1) isentropic compression in a compressor, (2) isobaric heat rejection in a condenser, (3) isenthalpic expansion in an expansion valve, and (4) isobaric heat absorption in an evaporator.
The compressor isentropic and volumetric efficiencies computed for R410A and its alternatives are shown in Figure 9.