Share
IIR document
Internal heat exchange, expanders and intercooling in transcritical CO2 cycles.
Author(s) : BULLARD C.
Summary
This paper quantifies thermodynamic tradeoffs among three strategies for increasing efficiency of the standard transcritical CO2 cycle. It extends earlier work on internal heat exchange (IHX), expanders and multistage compression with intercooling, which analyzed each technology individually or in pairs. Realistic estimates of achievable efficiencies are obtained by using performance data from state of the art components to constrain the thermodynamic cycle. Hardware configurations are also addressed, such as bypassing the IHX during some operating conditions encountered in reversible heat pump systems, in order to protect lubricants from excessively high discharge temperatures.
Available documents
Format PDF
Pages: 2004-2
Available
Public price
20 €
Member price*
Free
* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).
Details
- Original title: Internal heat exchange, expanders and intercooling in transcritical CO2 cycles.
- Record ID : 2005-2461
- Languages: English
- Source: Natural Working Fluids 2004: 6th IIR-Gustav Lorentzen Conference
- Publication date: 2004/08/01
Links
See other articles from the proceedings (105)
See the conference proceedings
Indexing
-
Performance comparison of transcritical CO2 sin...
- Author(s) : WANG H., MA Y., LI M., et al.
- Date : 2008/09/07
- Languages : English
- Source: 8th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2008)
- Formats : PDF
View record
-
Experimental results and evaluation of 2-stage ...
- Author(s) : IMAI S., ITSUKI H., OTAKE M., et al.
- Date : 2005/05/02
- Languages : English
- Source: 8th IEA Heat Pump Conference 2005: global advances in heat pump technology, applications, and markets. Conference proceedings [CD-ROM].
View record
-
CO2-Prozesse mit ein- und mehrstufiger Verdicht...
- Author(s) : SIEVERS U., BARANIEC K.
- Date : 2006/11/22
- Languages : German
- Source: DKV-Tagungsbericht 2006, Dresden.
View record
-
Options for a two-stage transcritical carbon di...
- Author(s) : HUFF H. J., HWANG Y., RADERMACHER R.
- Date : 2002/09/17
- Languages : English
- Formats : PDF
View record
-
Reintroduction of carbon dioxide into the refri...
- Author(s) : MILOVANOV V., WOBST E.
- Date : 2006/09/27
- Languages : English
- Source: Compressors 2006: 6th International Conference on Compressors and Coolants
- Formats : PDF
View record