Pressure measurements of the detachment bubble on the Bolund Island

Yeow, Tee Seong; Cuerva Tejero, Alvaro y Pérez Álvarez, Javier (2011). Pressure measurements of the detachment bubble on the Bolund Island. En: "International Workshop on Physical Modelling of Flow and Dispersion Phenomena, PHYSMOD 2011", 22/08/2011 - 24/08/2011, Hamburgo, Alemania.

Descripción

Título: Pressure measurements of the detachment bubble on the Bolund Island
Autor/es:
  • Yeow, Tee Seong
  • Cuerva Tejero, Alvaro
  • Pérez Álvarez, Javier
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: International Workshop on Physical Modelling of Flow and Dispersion Phenomena, PHYSMOD 2011
Fechas del Evento: 22/08/2011 - 24/08/2011
Lugar del Evento: Hamburgo, Alemania
Título del Libro: Proceedings of the International Workshop on Physical Modelling of Flow and Dispersion Phenomena, PHYSMOD 2011
Fecha: 2011
Materias:
Escuela: E.T.S.I. Aeronáuticos (UPM) [antigua denominación]
Departamento: Otro
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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URL Oficial: http://www.physmod.org/

Resumen

Pressure measurements on the surface of a 1:230 scale model of Bolund Island are presented. The model is smooth and no boundary layer generation has been considered since the experiment is designed as the simplest possible reference case. Measurement have been taken for a range of Reynolds numbers based on the average undisturbed wind speed U∞ and the maximum height of the island, h [1.7×104, 8.5×104], and for a range of wind directions. Four minutes time series of pressure in more than 400 points have been acquired and analysed to obtain the spatial distribution of both the time average and the variance of the pressure signal. The horizontal extension of the detachment bubble for the different Reynolds numbers and wind directions is identified by isobars and curves of constant value of pressure variance. The applicability of this technique for evaluating the horizontal topology of high turbulence regions associated to detachment bubbles after escarpments in potential wind farm sites is analysed. The results obtained shows that the behaviour of the mean pressure coefficient, Cp, the std. pressure coefficient, Cp, and the skewness of the pressure, Sp can be used to study the bubble over the island to a certain extent. This experiment is part of the set of different analysis on the Bolund test case that is being undertaken within WAUDIT project by the different scientific groups.

Más información

ID de Registro: 12559
Identificador DC: http://oa.upm.es/12559/
Identificador OAI: oai:oa.upm.es:12559
Depositado por: Memoria Investigacion
Depositado el: 03 Ago 2012 11:44
Ultima Modificación: 21 Abr 2016 11:49
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