1. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Temperatures and modes of heat transfer of a cross section of the receiver

2. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Control volumes of the 2D discretization mesh in polar coordinates

3. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Visualization of a typical ray tracing setup

4. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Visualization of the MC ray tracing for an absorber tube segment (a) and an inner glass surface segment (b)

5. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Power absorbed at the absorber tube and in the glass envelope divided by the solar radiation incident on the concentrator aperture

6. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Circumferential distribution of the incident solar radiation absorbed at the absorber tube and in the glass envelope for Isun = 933.7 W/m2

7. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Temperature distribution around the circumference of the outer absorber and glass surfaces

8. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
On-sun field test: collector efficiency

9. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Off-sun field test: heat loss of the absorber

10. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Off-sun lab test: heat loss of the absorber tube

11. Date of download: 10/16/2017
Copyright © ASME. All rights reserved.
From: Three-Dimensional Optical and Thermal Numerical Model of Solar Tubular Receivers in Parabolic Trough Concentrators
J. Sol. Energy Eng. 2012;134(4): doi: /
Figure Legend:
Off-sun lab test: average glass temperature