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Sustainability 2011, 3(11), 2115-2128;

Toward a Heat Recovery Chimney

Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada
Author to whom correspondence should be addressed.
Received: 19 August 2011 / Revised: 19 October 2011 / Accepted: 26 October 2011 / Published: 7 November 2011
(This article belongs to the Special Issue Sustainable Manufacturing)
Full-Text   |   PDF [456 KB, uploaded 24 February 2015]


The worldwide population increase and subsequent surge in energy demand leads electricity producers to increase supply in an attempt to generate larger profit margins. However, with Global Climate Change becoming a greater focus in engineering, it is critical for energy to be converted in as environmentally benign a way as possible. There are different sustainable methods to meet the energy demand. However, the focus of this research is in the area of Waste Heat Recovery. The waste heat stored in the exiting condenser cooling water is delivered to the air flow through a water-air cross flow heat exchanger. A converging thermal chimney structure is then applied to increase the velocity of the airflow. The accelerated air can be used to turn on the turbine-generator installed on the top the thermal chimney so that electricity can be generated. This system is effective in generating electricity from otherwise wasted heat. View Full-Text
Keywords: power plant; waste heat recovery; heat exchanger; air velocity; thermal chimney power plant; waste heat recovery; heat exchanger; air velocity; thermal chimney
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhang, D.; Yang, Y.; Pan, M.; Gao, Z. Toward a Heat Recovery Chimney. Sustainability 2011, 3, 2115-2128.

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