Gas Density Calculator – Redlich-Kwong (SI)

GAS SELECTION & OPERATING CONDITIONS

Gas

Select gas auto-fills MW, Tc, Pc

—

Molecular weight MW kg/kmol

kg/kmol

Auto-filled from gas selection

Gas constant R kN·m/(kgmol·K)

kN·m/K

Operating conditions

Temperature T °C

°C

Pressure P bara

bara

Absolute pressure — 1 bara = 100 kPa = 0.9869 atm

Critical properties (auto-filled)

Tc °C

°C

From gas table

Pc atm

atm

From gas table

REDUCED PROPERTIES & EOS CONSTANTS

Abs. Temperature T

—K

Abs. Pressure P

—kPa

Abs. Critical Temp Tc

—K

Reduced Temp T_R

——

Reduced Press P_R

——

Ratio P_R / (0.5·T_R)

——

EOS Constant A²

—

EOS Constant B

—

Discriminant C

—

Calculation Results

REAL GAS DENSITY REDLICH-KWONG

ρ kg/m³ —

IDEAL GAS DENSITY Z = 1 (IDEAL)

ρ kg/m³ —

COMPRESSIBILITY FACTOR R-K EOS

Z (—) —

Root type —

DEVIATION real vs. ideal

Difference % —

Δρ kg/m³ —