Example 12.4 Given: A 1/20 scale model of a high-rise building is tested in a wind tunnel. The drag force of the model on the rectangular face is measured to be 200 N for a wind speed of 20 m/s. Find: The drag force on the prototype building in a 40 m/s wind velocity using the drag coefficient conservation. Note: prototype height=3w. Tair = constant Match force coefficients. CFP F₂ Fm F₂ F₂ = = = 1x = = = CFm Pp Pm = (2)'()* Lm. 40 m/s 20 m/s 1600 1600 × Fm 1600 × 200 N 320 kN 20² K W. Prototype Vm Model

Example 12.4 Given: A 1/20 scale model of a high-rise building is tested in a wind tunnel. The drag force of the model on the rectangular face is measured to be 200 N for a wind speed of 20 m/s. Find: The drag force on the prototype building in a 40 m/s wind velocity using the drag coefficient conservation. Note: prototype height=3w. Tair = constant Match force coefficients. CFP F₂ Fm F₂ F₂ = = = 1x = = = CFm Pp Pm = (2)'()* Lm. 40 m/s 20 m/s 1600 1600 × Fm 1600 × 200 N 320 kN 20² K W. Prototype Vm Model

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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