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2篇 您的检索式:作者名="Sujit Kumar Dalui"
    题名 作者 年代 出处 被引量
1Wind environment around the setback building models显示文摘The irregular shape of buildings always tenders an enormous challenge to the designers.The wind velocity at the pedestrian level has a specific approach from a comfortable point of view.This investigation highlighted the characteristic of the pedestrian level wind velocity for distinct types of asymmetrical setback buildings.The passed study explored the pedestrian level effect for the axisymmetric models,while this study is based on the models that have symmetry about a single axis.This study investigates the pedestrian level flow fluctuation of setback models with single and double side setbacks at multiple levels.The double-side double setback buildings are efficient to reduce 28%-30%velocity in front of the building and 68%-70%velocity behind the building.Finally it suggests that the double side double setback building is efficient to maintain the velocity at the pedestrian level,roof level,and backside of the building.The setback building can easily control the frequency of fluctuating velocity at downstream flow for both along and across wind conditions.Amlan Kumar Bairagi Sujit Kumar Dalui 2021Building Simulation2021,14,5:2
2Effects of side ratio for ‘Y’ plan shaped tall building under wind load显示文摘Wind load and response are the major factors that govern the most critical condition for designing tall buildings. This study discusses the variability of wind load and pressure on a Y plan shaped tall building due to the change in the building side ratio. The length to width ratio is changed keeping the total plan area same. The numerical study is done by ANSYS CFX. Two turbulence models, k-epsilon and shear stress transport (SST), are used for doing the numerical simulation and the results are compared with the previous wind tunnel results in a similar flow condition. Sample points were selected based on Audze–Eglais Uniform Latin Hypercube (AELH) method and the analytical expressions of force, moment and torsional coefficients of Y plan shaped tall building are proposed. These expressions are fitted very well and the AELH method has given a great set of sample points that have significantly decreased the total computational time. The graphical representations of these expressions for various coefficients are presented and discussed. Then pressure distributions on three different models are compared and the pros and cons of higher and lower values of side ratios are discussed.Prasenjit Sanyal Sujit Kumar Dalui 2021Building Simulation2021,14,4:0
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