Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Collector optical efficiency versus the transmittance of a thermotropic material in its clear state
Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Resistance network used to calculate the overall heat transfer coefficient
Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Schematic cross-sectional view of the modeled collector
Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Representative efficiency curves for a collector with- and without a thermotropic material. Dashed vertical lines represent a step change from clear to translucent state. Abscissa location of change depends on ambient conditions and Tswitch.
Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Temperature dependency of the optical properties of thermotropic materials
Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Predicted stagnation temperature as a function of the reflectance of the thermotropic material in its translucent state. Solid line represents nominal collector parameters.
Date of download: 11/6/2017 Copyright © ASME. All rights reserved. From: The Effect of a Thermotropic Material on the Optical Efficiency and Stagnation Temperature of a Polymer Flat Plate Solar Collector J. Sol. Energy Eng. 2014;137(2):021003-021003-6. doi:10.1115/1.4028366 Figure Legend: Schematic drawing of radiosities and irradiances used to determine the overall reflectance of the thermotropic material-absorber laminate