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  4. Modeling, simulation and optimization of general solar updraft towers
 
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Modeling, simulation and optimization of general solar updraft towers

Citation Link: https://doi.org/10.15480/882.1765
Publikationstyp
Journal Article
Date Issued
2018-07-20
Sprache
English
Author(s)
Allwörden, Hannes von  
Gasser, Ingenuin  
Kamboh, Muhammad Junaid  
Institut
Mikrosystemtechnik E-7  
TORE-DOI
10.15480/882.1765
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/1768
Journal
Applied mathematical modelling  
Volume
64
Start Page
265
End Page
284
Citation
Applied Mathematical Modelling (64): 265-284 (2018)
Publisher DOI
10.1016/j.apm.2018.07.023
Scopus ID
2-s2.0-85051384896
Publisher
Elsevier
A model to describe a solar chimney power plant with a generally sloped collector field and for the general situation of humid air is presented. This is a significant development of existing simple models for solar updraft towers with planar collector fields for the sit- uation of purely dry air. The model describing the gas dynamics in the collector and in the chimney includes a turbine model, friction and heat transfer losses, evaporation and condensation models etc. However, the relevant physics can be modeled in one space di- mension. It is the result of a fully compressible gas dynamic model in the small Mach number limit. A numerical algorithm is defined which admits very fast simulations. There- fore optimization procedures can easily be applied. Numerical results on optimization with respect to geometric and physical parameters which may be considered both in the plan- ning and the operational phase are presented. The results are compared qualitatively and –if available –quantitatively to prototype data and to simulations from the literature.
Subjects
Solar updraft tower
Sloped collector field
Humidity
Small Mach number
DDC Class
620: Ingenieurwissenschaften
Lizenz
https://creativecommons.org/licenses/by-nc-nd/4.0/
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