Wind tunnel testing of low-rise building models with flat, gabled and hip roof configurations was carried out in a boundary layer wind tunnel. All the models had the same mean height. For the gabled and the hip roofs, the pitch angles investigated were 15, 20, 30 and 45°. Pressure measurements were performed on all the walls and the roof of the building models facing a turbulent wind of 7 m/s and the values of pressure coefficient were calculated. It was found that the suction over the roof is significantly influenced by the roof configuration. The 45° gabled and hip building models performed the best under the same wind conditions. The peak suction over the roof reduces by 85 and 91%, respectively, compared to that over the flat roof. In addition to this, the hip roof models recorded less suction compared to their gabled counterparts. For the hip roof, the peak suction reduced by 42% compared to the gabled roof.
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机译：在边界层风洞中对具有平坦，山墙和臀部屋顶构造的低层建筑模型进行风洞测试。所有模型均具有相同的平均高度。对于山墙和臀部屋顶，研究的俯仰角为15、20、30和45°。在面对7 m / s的狂风的建筑模型的所有墙壁和屋顶上进行压力测量，并计算压力系数值。发现屋顶上方的吸力受屋顶构造的显着影响。 45°山墙和臀部建筑模型在相同的风况下表现最佳。与平屋顶相比，屋顶上的峰值吸力分别降低了85％和91％。除此之外，与山墙式同类产品相比，臀部屋顶型产品的吸力更低。与山形屋顶相比，臀部屋顶的最大吸力降低了42％。
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