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The role of dense gas dynamics on organic rankine cycle turbine performance

The role of dense gas dynamics on organic rankine cycle turbine performance
The role of dense gas dynamics on organic rankine cycle turbine performance
In this paper we investigate the real gas flows which occur within Organic Rankine Cycle (ORC) turbines. A new method for the design of nozzles operating with dense gases is discussed, and applied to the case of a high pressure ratio turbine vane. A Navier-Stokes method which uses equations of states for a variety of working fluids typical of ORC turbines is then applied to the turbine vanes to determine the vane performance. The results suggest that the choice of working fluid has a significant influence on the turbine efficiency.
0742-4795
102603-[9pp]
Wheeler, Andrew P.S.
0f243ba3-3aae-470c-ba4a-46a8c4b9197a
Ong, J.
55cf0a95-552f-40f7-99af-a50b16e7ab92
Wheeler, Andrew P.S.
0f243ba3-3aae-470c-ba4a-46a8c4b9197a
Ong, J.
55cf0a95-552f-40f7-99af-a50b16e7ab92

Wheeler, Andrew P.S. and Ong, J. (2013) The role of dense gas dynamics on organic rankine cycle turbine performance. Journal of Engineering for Gas Turbines and Power, 135 (10), 102603-[9pp]. (doi:10.1115/1.4024963).

Record type: Article

Abstract

In this paper we investigate the real gas flows which occur within Organic Rankine Cycle (ORC) turbines. A new method for the design of nozzles operating with dense gases is discussed, and applied to the case of a high pressure ratio turbine vane. A Navier-Stokes method which uses equations of states for a variety of working fluids typical of ORC turbines is then applied to the turbine vanes to determine the vane performance. The results suggest that the choice of working fluid has a significant influence on the turbine efficiency.

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e-pub ahead of print date: 6 September 2013
Published date: October 2013
Organisations: Aerodynamics & Flight Mechanics Group

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Local EPrints ID: 354589
URI: http://eprints.soton.ac.uk/id/eprint/354589
ISSN: 0742-4795
PURE UUID: d167a0c7-29fe-4b4a-895b-45a28966eb97

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Date deposited: 15 Jul 2013 15:28
Last modified: 25 Nov 2021 18:02

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Contributors

Author: Andrew P.S. Wheeler
Author: J. Ong

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