Pedestrian wind comfort: feasibility study of criteria homogenisation

Sanz Andres, Angel Pedro and Cuerva Tejero, Alvaro (2006). Pedestrian wind comfort: feasibility study of criteria homogenisation. "Journal of Wind Engineering and Industrial Aerodynamics", v. 94 (n. 11); pp. 799-813. ISSN 0167-6105. https://doi.org/10.1016/j.jweia.2006.06.004.

Description

Title: Pedestrian wind comfort: feasibility study of criteria homogenisation
Author/s:
  • Sanz Andres, Angel Pedro
  • Cuerva Tejero, Alvaro
Item Type: Article
Título de Revista/Publicación: Journal of Wind Engineering and Industrial Aerodynamics
Date: December 2006
ISSN: 0167-6105
Volume: 94
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Vehículos Aeroespaciales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

One of the aims of COST C14 action is the assessment and evaluation of pedestrian wind comfort. At present there is no general rule available that is applied across Europe. There are several criteria that have been developed and applied in different countries. These criteria are based on the definition of two independent parameters, a threshold effective wind speed and a probability of exceedence of this threshold speed. The difficulty of the criteria comparison arises from the two-dimensional character of the criteria definition. An effort is being made to compare these criteria, trying both to find commonalities and to clearly identify differences, in order to build up the basis for the next step: to try to define common criteria (perhaps with regional and seasonal variations). The first point is to define clearly the threshold effective wind speed (mean velocity definition parameters: averaging interval and reference height) and equivalence between different ways of defining the threshold effective wind speed (mean wind speed, gust equivalent mean, etc.) in comparable terms (as far as possible). It can be shown that if the wind speed at a given location is defined in terms of a probability distribution, e.g. Weibull function, a given criterion is satisfied by an infinite set of wind conditions, that is, of probability distributions. The criterion parameters and the Weibull function parameters are linked to each other, establishing a set called iso-criteria lines (the locus of the Weibull function parameters that fulfil a given criterion). The relative position of iso-criteria lines when displayed in a suitable two-dimensional plane facilitates the comparison of comfort criteria. The comparison of several wind comfort criteria, coming from several institutes is performed, showing the feasibility and limitations of the method.

More information

Item ID: 39720
DC Identifier: http://oa.upm.es/39720/
OAI Identifier: oai:oa.upm.es:39720
DOI: 10.1016/j.jweia.2006.06.004
Official URL: http://www.sciencedirect.com/science/article/pii/S0167610506000882
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 17 Mar 2016 12:40
Last Modified: 17 Mar 2016 12:40
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