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Heliostat operation at the Central-Receiver Test Facility (1978-1980)

Technical Report ·
OSTI ID:6509989

The data and conclusions reported are for the 222 CRTF heliostats that have been in operation from 1978 through 1980. The CRTF beam produces a total power of 5.5 MWth and a peak intensity of 2250 kW/m/sup 2/ near solar noon. A new operating strategy has recently been implemented. Improvements in the targeting accuracy have been made. The mirror reflectivity is maintained near 80% by cleaning with natural rains or snow. The CRTF has logged almost 300,000 operating hours by the end of 1980.

Research Organization:
Sandia National Labs., Albuquerque, NM (USA)
DOE Contract Number:
AC04-76DP00789
OSTI ID:
6509989
Report Number(s):
SAND-81-0275
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140702* -- Solar Thermal Power Systems-- Central Receiver
ATMOSPHERIC PRECIPITATIONS
CENTRAL RECEIVERS
CLEANING
CONTROL SYSTEMS
DOCUMENT TYPES
EQUIPMENT
HELIOSTATS
MAINTENANCE
MECHANICAL STRUCTURES
OPERATION
OPTICAL PROPERTIES
PERFORMANCE
PHYSICAL PROPERTIES
POWER RANGE 1-10 MW
RAIN
REFLECTIVITY
REVIEWS
SAFETY
SNOW
SOLAR EQUIPMENT
SOLAR FLUX
SOLAR RECEIVERS
SOLAR TRACKING
SUPPORTS
SURFACE PROPERTIES
TEST FACILITIES
TRANSIENTS
WASHING