SOME VELOCITY-MEASUREMENTS IN A SWIRLING JET AND A SWIRLING FLAME WITH STRONG RECIRCULATION

The complete pow fields of a swirling jet and a swirling ling H-2 flam e with strong recirculation including all Reynolds-stress tenser compo nents are measured with a three component LDV system. The swirl jet wi th and without combustion have the same co-flow volume pow rate, momen tum ratio, and similar swirl number. The exist profiles of both jets, which are important boundary conditions, are also provided The main ob jective of the presented results is to supply a complete pow field dat a-base for development and assessment of numerical combustion models w ith focus on turbulence sub-models for flows with recirculation.