Chapman-Enskog Diffusion Calculator

Calculate binary gas diffusion coefficients using the Chapman-Enskog theory.

Operating Conditions & Output
Component A Properties
K
Component B Properties
K
Result
Enter parameters and click 'Calculate DAB' to see results.
Step-by-step calculation details will appear here after calculation.

Valid for dilute gas mixtures (~300–2000 K, <10 bar). For DAB in cm²/s, use T in K, P in atm, M in g/mol, σ in Å.