Journal
JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME
Volume 131, Issue 3, Pages -Publisher
ASME
DOI: 10.1115/1.2988168
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To further the understanding of secondary flow loss, a set of surface measurements is presented for a planar turbine cascade tested at low Mach number (maximum of 0.23) and at an inlet axial chord Reynolds number of 5.9 X 10(5). The endwall and airfoil surface measurements are of skin friction, limiting streamline direction, and static pressure. An oil film interferometry measurement technique applied to the endwall and airfoil surfaces (at some 2000 locations) provides an extensive passage surface map of skin friction values and limiting streamline topology. Measurements of pressures on the same passage surfaces are also presented, resulting in a complete picture of endwall and airfoil surface pressure and shear. [DOI: 10.1115/1.2988168]
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