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The theoretical and experimental behaviour of a spanner psychrometer

✍ Scribed by D.R. Scotter

Publisher
Elsevier Science
Year
1972
Weight
521 KB
Volume
10
Category
Article
ISSN
0002-1571

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✦ Synopsis

Scotter, D. R., 1972. The theoretical and experimental behaviour of a Spanner psychrometer. Agric.

Meteorol., 10: 125-136.

The existing theory of the Spanner psychrometer is used to compute calibration constants at various temperatures, the mass of water condensed on the psychtometer thermojunction, and the time taken for this water to evaporate. Good agreement is found between the theoretical predictions and the observed behaviour of a commercially available psychrometer designed for use in soil. The existing theory describing heat dissipation at the so-called "massive" junctions is shown to be inadequate on theoretical and experimental grounds, and an improved theoretical treatment is presented.

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