A Mass-consistent Model for Wind Fields Over Complex Terrain PDF Download
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Author: Christine A. Sherman
Publisher:
ISBN:
Category : Winds
Languages : en
Pages : 26
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Book Description
Author: Christine A. Sherman
Publisher:
ISBN:
Category : Winds
Languages : en
Pages : 26
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Mass-consistent modeling is an attempt to derive snapshots of the mean wind field over a section of terrain from given sets of measured wind fields. The modeling scheme presented is based on the assumption that the best mass-conserving wind field is a strong function of the interpolation technique for the measured winds and a weak function of the mass conservation scheme. The proposed scheme includes the following special features: a terrain-following coordinate system, an arbitrarily defined upper boundary, and a provision for density stratification. The accuracy and utility of the scheme was tested against an analytically derived wind field flowing over an analytically defined terrain.
Author: David Randall Suder
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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Book Description
Author: Christine Sygitowicz Sherman
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 210
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Book Description
Author: Richard Perez
Publisher: Springer
ISBN: 331976876X
Category : Technology & Engineering
Languages : en
Pages : 263
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Book Description
In addition to describing core concepts and principles, this book reveals professional methodologies and tools used by national agencies and private corporations to predict sites’ potential for wind and solar power generation. Each chapter focuses on a different issue, showing readers the corresponding methodology, as well as examples of how to apply the techniques described. These techniques are explained with step-by-step guides that demonstrate how environmental variables in complex terrains can be characterized and forecasted.The authors present an adaptive finite element mass-consistent model, which computes a diagnostic wind field in the three-dimensional area of interest using observed wind data from measurement stations – data which is then interpolated using a physical model of the wind field in the boundary layer. An ensemble method is presented based on the perturbation of the numerical weather prediction models’ results. The book goes on to explain solar radiation characterization and forecasting. Solar radiation and electrical power generation temporal and spatial variability are discussed and modelled. Different statistical methods are presented in order to improve solar radiation forecasting using ground measurement, numerical weather predictions (NWPs) and satellite-derived data. This book is focused on both probabilistic and point forecast explaining different models and methodologies to improve the forecasting. The results obtained from various simulations around the world are presented in tables. Finally, the book explains a possible methodology to develop a Solar Map taking into account solar radiation, terrain surface conditions and cast shadows. As such, the book provides an overview of the concepts, principles and practices involved in the treatment of environmental variables related to solar radiation or wind fields, especially when complex terrains are involved, offering useful resources for students and researchers alike. It also equips professionals with the methodologies and tools needed to construct environmental variable maps and conduct forecasting for solar radiation and wind fields.
Author: Demetri P Lalas
Publisher: World Scientific
ISBN: 9814602833
Category :
Languages : en
Pages : 768
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Book Description
This volume is a collection of lectures given at the two colloquia on atmospheric flows over complex terrain with applications to wind energy and air pollution, organized and sponsored by ICTP in Trieste, Italy. The colloquia were the result of the recognition of the importance of renewable energy sources, an important aspect which grows yearly as the environmental problems become more pronounced and their effects more direct and intense, while at the same time, the wise management of the Earth's evidently limited resources becomes imperative.It is divided into two main parts. The first, which comprises Chaps. 1 to 4, presents the structure of the atmospheric boundary layer with emphasis in the region adjacent to the ground. The second, Chaps. 5 to 10, discusses methods for the numerical computation of the wind field on an arbitrary terrain. The unique feature of this book is that it does not stop at the theoretical exposition of the analytical and numerical techniques but includes a number of codes, in a diskette, where the mechanisms and techniques presented in the main part are implemented and can be run by the reader. Some of the codes are of instructional value while others can be utilized for simple operational work.Some of the lecturers are: D N Asimakopoulos, C I Aspliden, V R Barros, A K Blackadar, G A Dalu, A de Baas, D Etling, G Furlan, D P Lalas, P J Mason, C F Ratto and F B Smith.
Author:
Publisher:
ISBN:
Category : Atmospheric circulation
Languages : en
Pages : 0
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Book Description
Author: Ken Kaung Lai
Publisher:
ISBN:
Category : Meteorology
Languages : en
Pages : 256
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Book Description
Author: Mark A. Yocke
Publisher:
ISBN:
Category : Air quality
Languages : en
Pages : 126
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Book Description
Author: Patrick A. Haines
Publisher:
ISBN:
Category : Military geography
Languages : en
Pages : 81
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Book Description
A model for calculating terrain-influenced surface (6 meter) wind fields is described. The model determines locally generated slope and valley winds as well as mechanically affected changes in the general wind due to sheltering, diverting, ridge enhancement, and separated flow. A procedure is also given for the generation of an optimal computation grid on which the wind field is computed. Winds calculated on this optimal, and usually uneven grid, may then be interpolated by the model to a uniform grid specified by the user. The model is designed to compute wind fields without the need for surface observations. Analysis areas are arbitrary, ranging from as small as 1 sq km to as large as 50 sq km.
