High Temperature Properties of Potassium.

Ewing, C. T.; Stone, J. P.; Spann, J. R.; Miller, R. R.

doi:10.1021/je60031a004

Cited by 23 publications

(9 citation statements)

References 9 publications

(15 reference statements)

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“…( 16), and Sj^(Tjn) is the entropy at the melting point of sodium (370.98 K). Equation (20) was integrated from Tjj, to 1644.26 K, and then this data was fit by the least squares method to obtain the entropy for saturated liquid sodium in the low-temperature region. This equation is S" = -5.90356 + 1.51103 In T -5.73462 X lO"'^ T + 1.57165 x lO"'' T^ (21) 3425.81 T^ Above 1644.26 K, the entropy was calculated at each temperature by adding to the liquid entropy the contribution of the integral in Eq.…”

Section: Entropymentioning

confidence: 99%

“…This equation is S" = -5.90356 + 1.51103 In T -5.73462 X lO"'^ T + 1.57165 x lO"'' T^ (21) 3425.81 T^ Above 1644.26 K, the entropy was calculated at each temperature by adding to the liquid entropy the contribution of the integral in Eq. (20) for that temperature step.…”

Section: Entropymentioning

confidence: 99%

“…For subcooled liquid sodium, the effect of"pressure on the entropy at a given temperature is To calculate the entropy of subcooled liquid sodium at pressure, P, we subtracted the entropy of saturated liquid sodium [Eq. (20)] from the integral of Eq. (70) along a constant temperature path from P"."…”

Section: Entropymentioning

confidence: 99%

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Computer codes used in the calculation of high-temperature thermodynamic properties of sodium

Fink¹

1979

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Three computer codes -SODIPROP, NAVAPOR, and NASUPERhave been written in order to calculate a self-consistent set of thermodynamic properties for saturated, subcooled, and superheated sodium. These calculations incorporate new critical parameters (temperature, pressure, and density) and recently derived single equations for enthalpy and vapor pressure. The following thermodynamic properties have been calculated in these codes: enthalpy, heat capacity, entropy, vapor pressure, heat of vaporization, density, volumetric thermal expansion coefficient, compressibility, and thermal pressure coefficient. In the code SODIPROP, these properties are calculated for saturated and subcooled liquid sodium. Thermodynamic properties of saturated sodium vapor are calculated in the code NAVAPOR. The code NASUPER calculates thermodynamic properties for superheated sodium vapor only for low (<1644 K) temperatures. No calculations were made for the supercritical region. Liquid heat capacity along the saturation line Volumetric thermal expansion coefficient along the saturation curve (-1/P^ 3PJ,/3T) Temperature derivative of vapor pressure Critical temperature Critical density Critical pressure These variables are in CGS units. Computer code variables with names idential except for an 's' added to the end are the same variables in SI units, e.g., PSATS is vapor pressure in MPa.GVSATS is the liquid thermal pressure coefficient in MPa/K.

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Section: Entropymentioning

confidence: 99%

Section: Entropymentioning

confidence: 99%

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Computer codes used in the calculation of high-temperature thermodynamic properties of sodium

Fink¹

1979

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“…The effects of unknown property data can be seen in the following: The potassium dimer compositions in figure 3 were calculated from the results of the compilation of Ewing et al (49), and at low pressures they are about twice as high as the ones compiled by Lee (50). The difference is actually sufficient to make potassium vapor behave like mercury in figure 18.…”

Section: Iv7-possible Structural Effects In the Condensation Of Liqmentioning

confidence: 99%

Interphase phenomena and the condensation of liquid metal vapors. The condensation mechanism of nitrogen tetroxide vapor

Larrain¹,

Bonilla²

1974

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“…These curves are included here for all points. None of the supercritical points (14,15,16,17,22) were used in the curve-fit analysis. Points 20 and 24 were also eliminated, due to being slightly off the curve.…”

Section: Appendix I Representative Experimental Datamentioning

confidence: 99%

High temperature vapor pressure and the critical point of potassium

Jerez¹,

Bonilla²

1972

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High Temperature Properties of Potassium.

Cited by 23 publications

References 9 publications

Computer codes used in the calculation of high-temperature thermodynamic properties of sodium

Computer codes used in the calculation of high-temperature thermodynamic properties of sodium

Interphase phenomena and the condensation of liquid metal vapors. The condensation mechanism of nitrogen tetroxide vapor

High temperature vapor pressure and the critical point of potassium

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