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Published in:
2018 | OriginalPaper | Chapter
2D-PIV Measurements in a Novel Swirl Burner Under Isothermal Conditions
Authors : Mourya Voleti, Naga Venkata Sai Aditya Burle, Raghu Jarpala, Rajesh Sadanandan
Published in: Proceedings of the International Conference on Modern Research in Aerospace Engineering
Publisher: Springer Singapore
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Abstract
2D-PIV measurements were performed in a novel non-premixed model GT burner designed to promote intense mixing of the fresh fuel/air with the product gases. The axial and tangential flow field measurements reveal three distinct zones, viz. bluffbody-stabilized, swirl-stabilized and an intermediate zone. The high vorticity fields generated by the converging–diverging flow field will promote intense mixing of the reactants and thereby favour a reduction in the thermal NO\(_{\text {x}}\) emissions. The measurements show the presence of fine-scale turbulent eddies in the intermediate zone. This, along the relatively low extensive strain fields, will aid in the flame stabilization at these locations.