Numerous studies in the field of power generation deal with efficiency and flexibility enhancement of power plants. Supercritical carbon dioxide (sCO2) power cycles promise significantly higher efficiencies and very compact constructions compared to conventional Rankine cycles. An opportunity to increase the flexibility of such power cycles, is the integration of Thermal Energy Storage (TES) systems into the process. In this work the sandTES technology, a particle based TES system is introduced, which can be used to improve the load change characteristics of power plants even at highest temperatures. After introducing the main concept and the key technologies of the sandTES technology, a utility scale heat exchanger for implementation in a high temperature sCO2 power cycle is presented and discussed. Finally crucial design parameters of the presented heat exchanger (HEX) are outlined as well as their influences on the HEX dimensions are discussed.
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ASME 2016 International Mechanical Engineering Congress and Exposition
November 11–17, 2016
Phoenix, Arizona, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5068-8
PROCEEDINGS PAPER
Fluidized Bed Particle Heat Exchanger for Supercritical Carbon Dioxide Power Cycles
Peter Steiner,
Peter Steiner
Technische Universität Wien, Vienna, Austria
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Karl Schwaiger,
Karl Schwaiger
Technische Universität Wien, Vienna, Austria
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Heimo Walter,
Heimo Walter
Technische Universität Wien, Vienna, Austria
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Markus Haider,
Markus Haider
Technische Universität Wien, Vienna, Austria
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Martin Hämmerle
Martin Hämmerle
Technische Universität Wien, Vienna, Austria
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Peter Steiner
Technische Universität Wien, Vienna, Austria
Karl Schwaiger
Technische Universität Wien, Vienna, Austria
Heimo Walter
Technische Universität Wien, Vienna, Austria
Markus Haider
Technische Universität Wien, Vienna, Austria
Martin Hämmerle
Technische Universität Wien, Vienna, Austria
Paper No:
IMECE2016-67104, V014T07A014; 9 pages
Published Online:
February 8, 2017
Citation
Steiner, P, Schwaiger, K, Walter, H, Haider, M, & Hämmerle, M. "Fluidized Bed Particle Heat Exchanger for Supercritical Carbon Dioxide Power Cycles." Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition. Volume 14: Emerging Technologies; Materials: Genetics to Structures; Safety Engineering and Risk Analysis. Phoenix, Arizona, USA. November 11–17, 2016. V014T07A014. ASME. https://doi.org/10.1115/IMECE2016-67104
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