Design and optimization of non-supercritical CO2 thermal power cycle for "P2H2P" energy storage system

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F20%3A43960996" target="_blank" >RIV/49777513:23220/20:43960996 - isvavai.cz</a>
Result on the web
<a href="https://asmedigitalcollection.asme.org/GT/proceedings-abstract/GT2020/84140/V005T07A007/1094932" target="_blank" >https://asmedigitalcollection.asme.org/GT/proceedings-abstract/GT2020/84140/V005T07A007/1094932</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1115/GT2020-16027" target="_blank" >10.1115/GT2020-16027</a>

Result language
angličtina
Original language name
Design and optimization of non-supercritical CO2 thermal power cycle for "P2H2P" energy storage system
Original language description
Most of the current research and development of CO2 cycles for power to heat heat to power (P2H2P) energy storage systems are focused on application s of supercritical CO2 cycles . However, this work is focused on alternative application of CO2 power cycle with standard ( i.e., non supercritical) cycle and modified industrial turboexpander s as main working machine s . Thermal Cycle for power storage system with thermal energy accumulator for energy storage and non supercritical CO2 power cycle for backward production of electricity is described i n this paper The CO2 cycle is compared with Nitrogen cycle with same parameters as well . Initially the thermal accumulator design , option of accumulation media (molten salts or liquid metals) and its parameters are described. The main part of the paper is focused on non supercritical CO2 power cycle s . Possible configurations of cycle, design aspects of main parts of cycle possibilities of efficiency improvement are discussed ; such as regeneration or intercooling. Finally , advantages and disadvantages of this CO2 and N2 cycle are discussed and compared. The concluding result of this paper is a very similar efficienc y of the two working fluid s at the selected parameters.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the ASME Turbo Expo 2020 : Turbomachinery Technical Conference and Exposition
ISBN
978-0-7918-8414-0
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
1-8
Publisher name
ASME
Place of publication
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Event location
virtual, London, England
Event date
Sep 21, 2020
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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