Summary
In this experimental study, the stability of Rayleigh-Bénard convection was investigated in rectangular enclosures filled with microemulsion phase-change-material (PCM slurry). The PCM slurry exhibited a pseudoplastic non-Newtonian fluid behaviour. Hysteresis in convection was clearly observed while the PCM were in a solid phase and in phase changing. The critical Rayleigh number decreased with the PCM mass concentration while the PCM were in phase changing. The fluid temperature at the center of the enclosure showed a time-dependent oscillation during the transition from a heat conduction state to a convection state. The maximum Nusselt number was observed for all the slurries while the heating plate was controlled at a temperature that most of PCM were in phase changing.
Details
- Original title: The convective instability in a microemulsion phase-change-material slurry layer.
- Record ID : 2005-0084
- Languages: English
- Source: JSME int. J., B - vol. 47 - n. 1
- Publication date: 2004/02
Links
See other articles in this issue (2)
See the source
Indexing
-
Numerical simulation of Rayleigh-Bénard convect...
- Author(s) : INABA H., DAI C., HORIBE A.
- Date : 2003/05
- Languages : English
- Source: International Journal of thermal Sciences - vol. 42 - n. 5
View record
-
Refroidissement de fluides non-Newtoniens therm...
- Author(s) : TAFKIR S., NOUAR C., LEBOUCHE M., DEVIENNE R.
- Date : 1995/08/20
- Languages : French
- Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
- Formats : PDF
View record
-
Experimental study on the development of double...
- Author(s) : SHIH Y. C., CHAO L. Y., HUANG C. G.
- Date : 2009/05/20
- Languages : English
- Source: ACRA-2009. The proceedings of the 4th Asian conference on refrigeration and air conditioning: May 20-22, 2009, Taipei, R.O.C.
- Formats : PDF
View record
-
FREE CONVECTION OF NON-NEWTONIAN FLUIDS OVER NO...
- Author(s) : SOM A., CHEN J. L. S.
- Date : 1984/05
- Languages : English
- Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 5
View record
-
Investigation on solid-liquid equilibrium for t...
- Author(s) : WANG X., ZHAO Y., DONG X., YAO X., WANG J., GUO H., GONG M.
- Date : 2021/06
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 126
- Formats : PDF
View record