Sensitivity analysis of transient compressor operation behaviour in SOFC-GT hybrid systems
(2005) ASME Turbo Expo 2005 - Gas Turbie Technology: Focus for the Future 5. p.315-323- Abstract
- This paper presents a sensitivity analysis of unsteady-state SOFC-GT-HS operation based on two different characteristic maps of centrifugal compressor taken from open literature and scaled by the law of similitude to match the design point of the Hybrid System. The system layout under investigation is a pressurised type comprising a low and high temperature recuperator. Computations are based on a one-dimensional finite element model of planar high temperature SOFC, which is validated against open literature. The reduced Moore and Greitzer model is used for compressor modelling. Calculation results of the coupled SOFC-GT-Hybrid System show that unsteady-state part-load operation is sensitive to the characteristics of compressor speed-lines... (More)
- This paper presents a sensitivity analysis of unsteady-state SOFC-GT-HS operation based on two different characteristic maps of centrifugal compressor taken from open literature and scaled by the law of similitude to match the design point of the Hybrid System. The system layout under investigation is a pressurised type comprising a low and high temperature recuperator. Computations are based on a one-dimensional finite element model of planar high temperature SOFC, which is validated against open literature. The reduced Moore and Greitzer model is used for compressor modelling. Calculation results of the coupled SOFC-GT-Hybrid System show that unsteady-state part-load operation is sensitive to the characteristics of compressor speed-lines but also to the load change operation procedure. Copyright (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/615605
- author
- Hildebrandt, Andre LU and Assadi, Mohsen LU
- organization
- publishing date
- 2005
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- One-dimensional finite element models, Centrifugal compressors, Hybrid systems, Compressor modeling
- host publication
- Proceedings of the ASME Turbo Expo
- volume
- 5
- pages
- 315 - 323
- publisher
- American Society Of Mechanical Engineers (ASME)
- conference name
- ASME Turbo Expo 2005 - Gas Turbie Technology: Focus for the Future
- conference location
- Reno-Tahoe, NV, United States
- conference dates
- 2005-06-06 - 2005-06-09
- external identifiers
-
- wos:000243376900033
- scopus:27744602758
- language
- English
- LU publication?
- yes
- id
- b2026ee7-3739-4822-ac5d-fd6a5e9cfe5d (old id 615605)
- date added to LUP
- 2016-04-04 10:18:16
- date last changed
- 2022-01-29 20:04:33
@inproceedings{b2026ee7-3739-4822-ac5d-fd6a5e9cfe5d, abstract = {{This paper presents a sensitivity analysis of unsteady-state SOFC-GT-HS operation based on two different characteristic maps of centrifugal compressor taken from open literature and scaled by the law of similitude to match the design point of the Hybrid System. The system layout under investigation is a pressurised type comprising a low and high temperature recuperator. Computations are based on a one-dimensional finite element model of planar high temperature SOFC, which is validated against open literature. The reduced Moore and Greitzer model is used for compressor modelling. Calculation results of the coupled SOFC-GT-Hybrid System show that unsteady-state part-load operation is sensitive to the characteristics of compressor speed-lines but also to the load change operation procedure. Copyright}}, author = {{Hildebrandt, Andre and Assadi, Mohsen}}, booktitle = {{Proceedings of the ASME Turbo Expo}}, keywords = {{One-dimensional finite element models; Centrifugal compressors; Hybrid systems; Compressor modeling}}, language = {{eng}}, pages = {{315--323}}, publisher = {{American Society Of Mechanical Engineers (ASME)}}, title = {{Sensitivity analysis of transient compressor operation behaviour in SOFC-GT hybrid systems}}, volume = {{5}}, year = {{2005}}, }