Influence Mechanism from the Inner Walkway on the Performance of an Air-Cooled Power Plant
Publication: Journal of Energy Engineering
Volume 141, Issue 4
Abstract
In view of the sensitivity to the wind conditions, the architecture of the air-cooled steam condenser (ACSC) always affects the characteristics of the whole power plant. As a result, it is important to structure a reasonable ACSC for better comprehensive performance in the power plant. This paper uses an existing numerical model to discuss the impact mechanisms from the inner walkway on the performance of the ACSC, and the relevant characteristics of the power plant at different inner walkways is also studied. It is found that the performance of the ACSC as well as the power plant is improved by extending the length extending of the inner walkway, thus shrinking the negative pressure regions around the fan surfaces. Finally, the net power and the thermal efficiency are improved by an amplitude of 1.2 and 0.3% from to 2 m, respectively, for the inner walkway based on the relevant value at the design wind speed case. It is concluded that an appropriate inner walkway should be chosen during the design period of the air-cooled power plant.
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Acknowledgments
The authors gratefully acknowledge the financial support by the National Natural Science Foundation of China (Grant No. 51406081).
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Published In
Journal of Energy Engineering
Volume 141 • Issue 4 • December 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jun 3, 2014
Accepted: Sep 26, 2014
Published online: Nov 5, 2014
Discussion open until: Apr 5, 2015
Published in print: Dec 1, 2015
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