Analysis Of A New Solar Chimney Plant Design
For Mountainous Regions
Author(s)
M. A. Serag-Eldin
Abstract
The paper presents a new design for solar chimney plants to be erected on
mountainous terrain. The objective is to exploit the height of nearby mountains
to replace the conventional vertical chimney by a duct built over the steep side of
the mountain. The concept is evaluated here employing a computational model
involving three-dimensional governing equations, describing mass, momentum
and energy balances, in addition to transport of two turbulence quantities. A
typical application is demonstrated for a 450 sloped mountain. The concept is
shown to be plausible and offers many advantages over conventional chimney
designs.
Keywords: solar chimneys, solar energy, renewable energy, buoyancy driven
flows, solar power plants.
1 Introduction
The present paper introduces a modification to the conventional solar chimney
plant in order to exploit the available heights of any nearby available mountain.
The new design is evaluated by means of a suitable mathematical model. The
paper starts in this section by describing the conventional solar chimney plant
and then introducing the suggested design modifications. The next section
presents the adopted mathematical model. The model is then applied to predict
the flow field and performance of a demonstration case, and the results are
displayed and discussed. The advantages of the new design are listed, and
finally, a summary and conclusions is presented.
Keywords
solar chimneys, solar energy, renewable energy, buoyancy driven
flows, solar power plants.
Related Book
Other papers in this volume
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