Three-hole probe type pressure measurement tail rake for wind tunnel test
A pressure measurement tail rake and wind tunnel test technology, which is applied in the field of airfoil aerodynamic performance wind tunnel test, can solve the problems of result deviation, inappropriateness, and failure to capture the incoming flow angle, etc.
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[0019] This embodiment is a three-hole probe type pressure-measuring tail rake for wind tunnel tests, which is used to measure the total pressure, static pressure, two-dimensional velocity and airfoil resistance of the airfoil model wake during the wind tunnel test of the airfoil model.
[0020] This embodiment includes a plurality of three-hole probes 1 , connecting rods 2 , support platforms 3 , end plates 4 , brackets 5 , connecting pins 7 and pressure measuring tubes 6 . The supporting platform 3 is installed on the upper end of the bracket 5 . A plurality of connecting rods 2 are distributed on the top of the front edge of the support platform 3 . A three-hole probe 1 is fixed on each connecting rod 2 . The distance between the two adjacent three-hole probes 1 is 10 mm to 15 mm, and the wake area of the test model is located between the three-hole probes 1 at the most ends. In this embodiment, the width of the wake area of the test model is 300 mm, and the distance ...
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