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ISSN Online: 2379-1748

ISBN Flash Drive: 978-1-56700-469-4

ISBN Online: 978-1-56700-470-0

Second Thermal and Fluids Engineering Conference
April, 2-5, 2017, Las Vegas, NV, USA

THERMOSYPHON-BASED FLUE GAS CONDENSATION TO IMPROVE THE PERFORMANCE OF DRY-COOLED POWER PLANTS

Get access (open in a dialog) pages 2445-2457
DOI: 10.1615/TFEC2017.ipc.017767

Аннотация

This study presents the design and simulation of an actively-controlled thermosyphon system for condensing water vapor from the flue gas of natural-gas combined-cycle (NGCC) power plants. The condensed water can be used for sub-ambient evaporative cooling and cool storage to improve the plant's performance. This thermosyphon system consists of polymer heat exchangers acting as a falling film evaporator and metal heat exchangers acting as the air-cooled condenser section. Both cross-flow and axial-flow arrangements are investigated for the flue gas relative to the polymer evaporator tubes. These two flow arrangements are discussed under the design considerations of heat and mass transfer performance.