Phase separated thermotropic layers based on UV cured acrylate resins - Effect of material formulation on overheating protection properties and application in a solar collector

Solar Energy

Volumn 83, Issue 9, 2009, Pages 1689-1697

  Resch, Katharina ^a   Wallner, Gernot M ^b   Hausner, Robert ^c  

^a POLYMER COMPETENCE CENTER LEOBEN GMBH   (Austria)

^b UNIVERSITY OF LEOBEN   (Austria)

^c AEE Arbeitsgemeinschaft ERNEUERBARE ENERGIE   (Austria)

Author keywords

All polymeric solar collector; Modeling; Overheating protection; Switching performance; Thermotropic resin; UV Vis NIR spectroscopy

Indexed keywords

ALL-POLYMERIC SOLAR COLLECTOR; MODELING; OVERHEATING PROTECTION; SWITCHING PERFORMANCE; THERMOTROPIC RESIN; UV/VIS/NIR SPECTROSCOPY;

ADDITIVES; DIFFERENTIAL SCANNING CALORIMETRY; DUST COLLECTORS; FLIGHT DYNAMICS; GLASS TRANSITION; OPTICAL PROPERTIES; POLYMERS; RESINS; SOLAR COLLECTORS; SOLAR ENERGY; SOLAR HEATING; SWITCHING;

FUNCTIONAL POLYMERS;

HEATING; NUMERICAL MODEL; POLYMER; RESIN; SOLAR RADIATION; TEMPERATURE EFFECT; THEORETICAL STUDY; ULTRAVIOLET RADIATION;

EID: 67651097709     PISSN: 0038092X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.solener.2009.06.006     Document Type: Article

References (16)

1. Bird R.E., and Hulstrom R.L. Terrestrial solar spectral data sets. Solar Energy 30 (1983) 563-573
2. Dabisch, W., 1978. Körper mit reversibel veränderlicher temperaturabhängiger. Lichtextinktion und Verfahren zur Herstellung des Körpers EP 0000868: 1978.
3. Hammami A., and Mehrotra A.K. Thermal behaviour of polymorphic n-alkanes: effect of cooling rate on major transition temperatures. Fuel 74 (1995) 96-101
4. Khan, A., Brunger, A., 1997. Thermal protection of flat plate solar collectors using thermotropic glazings. In: Proceedings 23rd Annual Conference of the Solar Energy Society of Canada Inc: Implementing Sustainable Energy in a Changing World, Vancouver, Canada, pp. 119-124.
5. Meyer G., Matthai M., Auge J., and Lindow H. Crystallisation processes and hardness of paraffin waxes characterised by DSC, ultrasonic, X-ray and needle penetration measurements. SÖFW Journal 131 (2005) 51-58
6. Nitz, P., 1999. Optische Modellierung und Vermessung thermotroper Systeme. PhD Thesis, Fakultät für Physik, Albert-Ludwigs-Universität Freiburg im Breisgau.
7. Nitz P., and Hartwig H. Solar control with thermotropic layers. Solar Energy 79 (2005) 573-582
8. Resch, K., Hausner, R., Wallner, G.M., 2007. All polymeric flat-plate collector - potential of thermotropic layers to prevent overheating. In: Proceedings of ISES Solar World Congress, Beijing, China, pp. 561-565.
9. Resch, K., Wallner, G.M., 2007. Thermotropic resin systems: relationships between formulation parameters, material structure and optical properties. In: Proceedings of ISES Solar World Congress, Beijing, China, pp. 541-545.
10. Resch K., Wallner G.M., and Lang R.W. Spectroscopic investigations of phase-separated thermotropic layers based on UV cured acrylate resins. Macromolecular Symposia 265 (2008) 49-60
11. Resch K., and Wallner G.M. Thermotropic layers for flat-plate collectors - a review of various concepts for overheating protection with polymeric materials. Solar Energy Materials and Solar Cells 93 (2008) 119-128
12. Riegler H., and Köhler R. How pre-melting on surrounding interfaces broadens solid-liquid phase transitions. Nature Physics 3 (2007) 890-894
13. Sakai H. Surface-induced melting of small particles. Surface Science 351 (1996) 285-291
14. Seeboth A., Schneider J., and Patzak A. Materials for intelligent sun protecting glazing. Solar Energy Materials and Solar Cells 60 (2000) 263-277
15. SOLAR, 1997-2006. Wärme-und strömungstechnische Berechnungen, Unterprogramm: Theoretischer Kollektor. AEE INTEC, Gleisdorf, AUT.
16. Wallner G.M., Resch K., and Hausner R. Property and performance requirements for thermotropic layers to prevent overheating in an all polymeric flat-plate collector. Solar Energy Materials and Solar Cells 92 (2008) 614-620