dBubbleDensity_dPressure_der_satTime derivative of liquid density in two-phase region w.r.t pressure |
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Information
This information is part of the Modelica Standard Library maintained by the Modelica Association.
This function calculates the time derivative of liquid density of R134a with regard to the time derivative of p. The non-derivative function is bubbleDensity.
Restrictions
It is only valid in the two-phase region (i.e., ptriple ≤ p ≤ pcrit ).
Syntax
der_ddldp = dBubbleDensity_dPressure_der_sat(sat, der_sat)
Inputs (2)
| sat |
Type: SaturationProperties Description: Saturation properties | pressure is used for interpolation |
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| der_sat |
Type: SaturationProperties Description: Derivative of saturation properties |
Outputs (1)
| der_ddldp |
Type: Real Description: Time derivative of liquid density in two-phase region w.r.t pressure |
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