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Publisher DOI: 10.1016/j.apm.2018.07.023
Title: Modeling, simulation and optimization of general solar updraft towers
Language: English
Authors: Allwörden, Hannes von 
Gasser, Ingenuin 
Kamboh, Muhammad Junaid 
Keywords: Solar updraft tower;Sloped collector field;Humidity;Small Mach number
Issue Date: 20-Jul-2018
Publisher: Elsevier
Source: Applied Mathematical Modelling (64): 265-284 (2018)
Journal or Series Name: Applied mathematical modelling 
Abstract (english): 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.
DOI: 10.15480/882.1765
ISSN: 0307-904X
Institute: Mikrosystemtechnik E-7 
Type: (wissenschaftlicher) Artikel
License: CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives) CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives)
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