Share
IIR document
Gas-phase PVT properties measurements for iso-pentane by a magnetic levitation densimeter.
Number: pap. 1182
Author(s) : MURAKAMI T., KAYUKAWA Y., KANO Y., et al.
Summary
Organic Rankine Cycle (ORC) is an important solution for effective use of wasted heat. Many working fluid candidates are proposed and tested for ORCs use. Most of HFCs, for example, R245fa, are nonflammable but their large GWP (global warming potential, GWP=950 for R245fa) is not environmentally acceptable. Since GWP values of hydrocarbons are negligible, they are considered to be a promising candidate of ORC working fluid. Although hydrocarbons are flammable, it seems to be possible to use them for ORC applications if appropriate safety measures are applied. Among numbers of hydrocarbons, n-pentane (C5H12, tb = 36.1 °C) is used to ORC working fluid for geothermal power plants. Iso-pentane (C5H12, tb = 27.7 °C) is also one of the possible candidate of ORC working fluid. Therefore, its thermodynamic properties were measured in the present study. Originally developed PVT measurement system using magnetic levitation densimeter (MLD) was used. The MLD is installed inside a cryostat which covers wide temperature range from 260 K to 420 K. Pressure is controlled by a variable volume vessel with metallic bellows and measured by a quartz pressure transducer having a relative uncertainty of 0.01% of its full-scale. Density can be precisely measured as a buoyancy force acting on a sinker. In the present study, a total of 13 gas-phase PVT properties were obtained at temperatures from (350 to 400) K, pressures up to 1.0 MPa.
Available documents
Format PDF
Pages: 6 p.
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: Gas-phase PVT properties measurements for iso-pentane by a magnetic levitation densimeter.
- Record ID : 30019194
- Languages: English
- Source: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2016). Proceedings. Édimbourg, United Kingdom, August 21st-24th 2016.
- Publication date: 2016/08/21
- DOI: http://dx.doi.org/10.18462/iir.gl.2016.1182
Links
See other articles from the proceedings (140)
See the conference proceedings
Indexing
-
Themes:
Thermodynamic measurements;
Hydrocarbons - Keywords: Organic Rankine cycle; Measurement; Density; Thermodynamic property; Levitation; Hydrocarbon
-
Experimental assessment and correlation of the ...
- Author(s) : LOMBARDO G., MENEGAZZO D., FEDELE L., BOBBO S., SCATTOLINI M.
- Date : 2023/08/21
- Languages : English
- Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
View record
-
Performance and stability of E-1233zd in energy...
- Author(s) : RACHED W., KIM S., ABBAS L.
- Date : 2018/07/09
- Languages : English
- Source: 2018 Purdue Conferences. 17th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
View record
-
Effect of waste heat utilization on the perform...
- Author(s) : SHAHROOZ M., LUNDQVIST P., NEKSÅ P.
- Date : 2020/07/31
- Languages : English
- Source: IIR Rankine Conference 2020.
- Formats : PDF
View record
-
Theoretical model construction for renewable lo...
- Author(s) : YASUNAGA T., IKEGAMI Y.
- Date : 2020/07/31
- Languages : English
- Source: IIR Rankine Conference 2020.
- Formats : PDF
View record
-
Topside cycles for enhanced geothermal systems ...
- Author(s) : DENG H., ANDRESEN T., SKAUGEN G., GLADYSZ P., PAJAK L., SOWIZDZAL A., MIECZNIK M.
- Date : 2022/06/13
- Languages : English
- Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
- Formats : PDF
View record