TY - GEN
T1 - Mean wind flow field around idealized block arrays with various aspect ratios
AU - Abd Razak, Azli
AU - Hagishima, Aya
AU - Ikegaya, Naoki
AU - Mohamad, Mohd Faizal
AU - Zaki, Sheikh Ahmad
PY - 2013
Y1 - 2013
N2 - This study investigates the characteristic of spatially averaged mean velocity profile and the flow pattern within urban canopy layer especially in pedestrian level using CFD technique. Large eddies simulation (LES) was used to perform a series of simulation of the flow around block arrays with staggered arrangement under various conditions of aspect ratio, αp (roof-to-frontal area ratio) from 0.33 to 3.0. The spatially-average profiles of both mean wind speed and streamwise velocity over various block arrays were compared with each other. The analysis clarified the following two facts. 1) The vertical mean flow structure inside the canyon change due to change a plan area ratio and block aspect ratio. 2) The horizontal mean flow structure around the block change if pedestrian level change form z = 0.05h to z = 0.25h. This can be translated to the effect of high-rise building to the flow around the building.
AB - This study investigates the characteristic of spatially averaged mean velocity profile and the flow pattern within urban canopy layer especially in pedestrian level using CFD technique. Large eddies simulation (LES) was used to perform a series of simulation of the flow around block arrays with staggered arrangement under various conditions of aspect ratio, αp (roof-to-frontal area ratio) from 0.33 to 3.0. The spatially-average profiles of both mean wind speed and streamwise velocity over various block arrays were compared with each other. The analysis clarified the following two facts. 1) The vertical mean flow structure inside the canyon change due to change a plan area ratio and block aspect ratio. 2) The horizontal mean flow structure around the block change if pedestrian level change form z = 0.05h to z = 0.25h. This can be translated to the effect of high-rise building to the flow around the building.
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U2 - 10.4028/www.scientific.net/AMM.393.767
DO - 10.4028/www.scientific.net/AMM.393.767
M3 - Conference contribution
AN - SCOPUS:84886246833
SN - 9783037858233
T3 - Applied Mechanics and Materials
SP - 767
EP - 773
BT - Advances in Manufacturing and Mechanical Engineering
T2 - International Conference on Advances in Mechanical Engineering 2013, ICAME 2013
Y2 - 28 August 2013 through 29 August 2013
ER -