Table 1.

SOVAP radiometer parameters’ definition and typical values for the “Rad 10” mode.

Parameters Definition Typical values
Pcl,l − Po,r Difference in electrical power applied to the cavities ~0.1056 W
C1 Correction to take into account the heating effects by the wires 5.9 × 10−6 W
C2 Correction for the accuracy of the servo-system (almost negligible) 1.2 × 10−6
C3 Correction of the thermal radiative effects of the left shutter ~0.405 W m−2
C4 Correction of the thermal radiative effects of the mirror above the cavity ~−0.175 W m−2
C5 Total correction factor for the optical effects (diffraction and scattering) 0.999447805
αeff,r Efficiency of the right cavity 0.9987
Ar at 20 °C Measured accurate aperture area at 20 °C 7.876 × 10−5 m2
Δr Aperture area (AA) correction factor – expansion of the mirror ~1.9 × 10−8
Δ′r AA correction factor – expansion of the radiometer ~5.4 × 10−8
Δ″r AA correction factor – deformation during mechanical clamping ~0
cos θ Solar pointing angle of the radiometer ~1
ΔPo,r Thermo-electrical non-equivalence of the active cavity while open ~0.3 × 10−3 W
KRad10 Thermo-electrical non-equivalence between the right and the left cavity ~2.83 × 10−3 W

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.