Journal of Wind Engineering and Industrial Aerodynamics
Effects of end plates and blockage of structural members on drag forces
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2021, Journal of Wind Engineering and Industrial AerodynamicsCitation Excerpt :Therefore, the blockage effects on the aerodynamic characteristics of tall buildings have been a fundamental issue in the wind tunnel testing (Raju and Singh 1975; Utsunomiya et al., 1993). A widely accepted criterion is that the BR is limited to lower than 5% to minimise errors (Hunt 1982; Kubo et al., 1989; Cermak 1998; Holmes 2015). However, insufficient experimental evidence exists to support this recommended value.
Wind tunnel measurement of overall and sectional drag coefficients for a super high-rise steel tube transmission tower
2020, Journal of Wind Engineering and Industrial AerodynamicsCitation Excerpt :The dimensions of the test section are 4.5 m (H) × 22.5 m (W) × 36 m (L), which resulted in a maximum blockage ratio of approximately 0.27%. Therefore, no correction for blockage effects was performed (Kubo et al., 1989). All the tests were carried out in both a uniform flow and in terrain category B of the Chinese load code (GB 50009-2012, 2012).