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Exergy Analysis of Transcritical Regenerative Organic Rankine Cycle Using Isobutane

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Abstract:

Exergy analysis is performed for transcritical Organic Rankine Cycle (ORC) with internal heat exchanger based on the second law of thermodynamics. Effects of source temperature as well as turbine inlet pressure (TIP) are investigated on the exergy destructions (or anergies) of the system as well as exergy efficiency. Results show that irreversibility of the system decreases with increasing TIP or decreasing source temperature. Exergy efficiency decreases with increasing source temperature; however has a maximum value with respect to TIP.

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Info:

Periodical:

Applied Mechanics and Materials (Volume 442)

Pages:

183-186

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.442.183

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Cite this paper

Online since:

October 2013

Authors:

Kyoung Hoon Kim*

Keywords:

Anergy, Exergy, Low-Temperature Heat Source, Organic Rankine Cycle (ORC), Transcritical

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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