Development of a low-cost extrusion-embossing process for a linear Fresnel lens photovoltaic concentration
Technical Report
·
OSTI ID:6477367
Results of efforts to fabricate linear Fresnel lens using a low-cost extrusion-embossing process indicated that the extrusion-embossing process will be difficult to adapt to the manufacture of efficient lenses. Lenses produced in pilot runs acheived only 72% optical efficiency at 25X geometric concentration ratio, compared to 87% for lenses made by casting or Lensfilm processes. A highly accurate, yet simple, outdoor focal plane flux profile test apparatus was developed that can be used to qualify new lenses and to check the quality of production lenses.
- Research Organization:
- Entech, Inc., Dallas-Fort Worth Airport, TX (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 6477367
- Report Number(s):
- SAND-84-7013; ON: DE85000213
- Country of Publication:
- United States
- Language:
- English
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