Abstract
We intend to measure the flux of energy, emitted by the sun, and reaching a brass disc, painted dead black. The radiation is absorbed; a thermometer indicates the rise of temperature of the brass (Figure 47). Our instrument is a simplification of Abbot’s ‘silver disc pyrheliometer’. The measurement is admittedly rough but it gives the order of magnitude.
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References
Allen, C. W.:1958, Commun. Univ. London Obs. nr. 35.
Annals of the Astrophysical Observatory of the Smithsonian Institution (I–VI).
Robinson, N.: 1966, Solar Radiation, Amsterdam, p. 94.
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© 1969 D. Reidel Publishing Company, Dordrecht, Holland
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Minnaert, M.G.J. (1969). The Solar Constant (S). In: Practical Work in Elementary Astronomy. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-3414-2_36
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DOI: https://doi.org/10.1007/978-94-010-3414-2_36
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