Explicit Equations Preview

LCPCO2 = - 8304300 + 104370 \cdot T - 433.33 \cdot T^{2} + 0.60052 \cdot T^{3}

LDNCO2 = \frac{2.768}{{0.26212}^{1 + {(1 - \frac{T}{304.21})}^{0.2908}}}

LTCCO2 = 0.4406 - 0.0012175 \cdot T

LVSCO2 = \exp (18.775 - \frac{402.92}{T} - 4.6854 \cdot \ln (T) - 6.9171e-26 \cdot T^{10})

VPCO2 = \exp (140.54 - \frac{4735}{T} - 21.268 \cdot \ln (T) + 0.040909 \cdot T)

T = 250

Program validated. Ready to Solve.

# Explicit Calculations Example: Complex consecutive calculations
# Physical property calculator for liquid CO2
# Verified Solution: LCP = 8.82e+4, LDN = 23.7577
# LTC =0.136225 , LVS = 0.000155, VP = 1.79E+6
# Source of the correlations: DIPPR database

LCP_CO2 = -8304300 + 104370 * T - 433.33 * T ^ 2 + 0.60052 * T ^ 3 # J/kmol*K
LDN_CO2 = 2.768 / 0.26212 ^ (1 + (1 - T / 304.21) ^ 0.2908) # kmol/m^3
LTC_CO2 = 0.4406 - 0.0012175 * T # W/m*K
LVS_CO2 = exp(18.775 - 402.92 / T - 4.6854 * ln(T) - 6.9171E-26 * T ^ 10) # Pa*s
VP_CO2 = exp(140.54 - 4735 / T - 21.268 * ln(T) + 0.040909 * T) # Pa
# Valid temperature range: 217 K - 304 K
T= 250 # Temperature (K)

Explicit Equations Solution

	Variable	Value
1	T	250
2	LCP_CO2	88200
3	LDN_CO2	23.757681
4	LTC_CO2	0.136225
5	LVS_CO2	0.00015487386
6	VP_CO2	1788377.2

Settings and Hints

	Name/Source	Value	Type
1	Explicit equations	6	Setting
2	Anonymous expressions	0	Setting
3	#@report_fix_digits = 8		Default (integer)
4	#@report_show_source = true		Default (boolean)
5	#@report_show_header = false		Default (boolean)
6	#@report_show_settings = true		Default (boolean)

Messages

	Severity	Description
1	Info	-Infor- Explicit variables (6) LCP_CO2, LDN_CO2, LTC_CO2, LVS_CO2, VP_CO2, T
2	Info	-Infor- All variables (6) T, LCP_CO2, LDN_CO2, LTC_CO2, LVS_CO2, VP_CO2