Accession Number:

ADA625948

Title:

Towards Direct Simulations of Counterflow Flames with Consistent Differential-Algebraic Boundary Conditions

Descriptive Note:

Conference paper

Corporate Author:

CALIFORNIA INST OF TECH PASADENA

Report Date:

2015-01-05

Pagination or Media Count:

15.0

Abstract:

A new approach for the formulation of boundary conditions for the counterflow configuration is presented. Upon discretization of the steady-state Navier-Stokes equations at the inflow boundaries, numerically algebraic equations are imposed as boundary conditions, while upon discretization of the unsteady Navier-Stokes equations at the outflow, differential boundaries result. It is demonstrated that the resulting numerical differential-algebraic boundary conditions are suitable to account for the multi-directional character of the flow at the boundaries of the counterflow configuration.

Subject Categories:

  • Fluid Mechanics
  • Combustion and Ignition

Distribution Statement:

APPROVED FOR PUBLIC RELEASE