Sentence examples for irradiance sun from inspiring English sources

The spectral aerosol column density is commonly determined by extinction measurements of the direct sun irradiance (sun photometers) and is described by the aerosol optical depth (AOD).

To measure direct irradiance a sun tracker based on step motors has been developed.

However they represent extreme solar UV exposure conditions with a quasi zenithal sun irradiance i.e. a UVA to UVB irradiance ratio of less than 18, representative of a high UVB level.

Direct irradiance in the sun direction.

Lessons learnt and future work towards a new generation of Sun irradiance sensors is also outlined.

The lens concentrated the sun irradiance on a circular spot around 2600 smaller, with a measured transmittance loss of around 11%%.

where θ s is the solar zenith angle, I 0 the irradiance when the sun is in the zenith and τ is an atmospheric extinction parameter.

The key idea of our prediction model is to apply an autoregressive (AR) time series model at the beginning of each day, since the sun irradiance is a periodic phenomena.

The PV panel rotates automatically based on the sun irradiance during the day while at night; the system is in 'sleep' mode in order to reduce the energy consumption.

After annealing, carbon was removed, and materials showed improved water splitting activity; with IPCEs above 80% in the UV, photocurrents of ∼1.2 mA cm−2 at 1.23 VRHE at 1 sun irradiance and an extension of photoactivity into the visible range.

In addition direct sun irradiance measurements with a sun filter photometer were used to determine the aerosol optical depth on clear sky days.