Abstract
In this paper we describe a wind tunnel invesitigation into the wall wind pressure on tall model surface when a low model is placed upwind of tall model in a simulated atmospheric boundary layer. Measurements are made of the influence of the height of low model and distance of two models. The results are presented in the form of coefficient of wall wind pressure, normalized by means of dynamic pressure of free stream, and decreased ratio, normalized by means of wall wind pressure of isolated model. The summary of the results is shown below. 1) The influence of low model gets bigger as the height of low model gets higher. 2) The influence of low model gets smaller as the distance of two models gets wider. 3) The maximum value of decreased ratio appears for value of d/h=0.6〜0.8.
