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Abstract

This is one of three final reports of the research work carried out by the Royal Dutch Meteorological Institute (KNMI) in close cooperation with the Institute of Applied Physics TNO-TH (TPD). It deals with the results concerning measurements; the others are concerned with "validation of calculation models" and "climatology of solar irradiance on the horizontal and inclined surfaces in the Bilt". The following variables were measured (March 1979 to October 1981): global solar radiance, various directions (Eppley pyranometer); direct solar irradiance on surface perpendicular to sunbeam (Eppley pyrheliometer); ground reflected solar irradiance (Eppley pyranometer) 6 minute averages were taken (also various totals), a "cleaning" procedure carried out for them, a reference pyranometer used for control purposes. A statistical analysis of the global irradiance over an hourly period was carried out. A number of special measurements were taken during the measuring period, a new equation for the correction factor of a shading ring pyranometer derived. The operation and results of the all-sky camera system is described.

Additional information

Authors: VERDONSCHOT J K M, TECHNISCH-PHYSISCHE DIENST TNO-TH, DELFT (THE NETHERLANDS);VAN DEN BRINK G J, TECHNISCH-PHYSISCHE DIENST TNO-TH, DELFT (THE NETHERLANDS);SLOB W H TECHNISCH-PHYSISCHE DIENST TNO-TH, DELFT (THE NETHERLANDS), TECHNISCH-PHYSISCHE DIENST TNO-TH, DELFT (THE NETHERLANDS)
Bibliographic Reference: EUR 9535 NL, MF (1984), 237 P., BFR 360, BLOW-UP COPY BFR 1185, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
Record Number: 1989123077600 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en