Examinations on closure models of conditionally filtered LES
Artikel i vetenskaplig tidskrift, 2011

The DNS and the conditionally filtered LES (CFLES) were combined to examine the validity of the linear-diffusion approximation and the first-order closure in CFLES equation. The linear-diffusion approximation was applied to closing transport term in mixture-fraction space in CFLES equation, and the first-order closure was used in closing conditionally filtered reaction source term. The first two order moments of filtered mass-fraction of the reactant were obtained by using CFLES and were closed to results of the DNS, which well examined the validity of the approximations mentioned above.

chemical reacting flow

LES

turbulence

conditionally filtered

Författare

Xing Zhang

Huadong Yao

Chalmers, Tillämpad mekanik, Strömningslära

Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

0253-231X (ISSN)

Vol. 32 357-359

Ämneskategorier

Strömningsmekanik och akustik