1. Viscosity, thermal conductivityand diffusion coefficient were calculated by the formulas in reference 16. In the free jet region, the algebraic turbulence model by the Plandtl's mixing length theory was used. The Reynoldsnumberatthenozzle exit was1800. 2.3.2 Governing Equations
2. 0 2000 4000 6000 8000 10000 12000 14000 16000
3. 0 0.5 1 1.5 2 2.5 3