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ISSN Online: 2377-424X

International Heat Transfer Conference 4
August 31 - September 5, 1970, Paris-Versailles, France

THERMAL ANALYSIS OF TEMPERATURE FLUCTUATIONS IN PLANT LEAVES

Get access (open in a dialog) DOI: 10.1615/IHTC4.1460
pages 1-9

Sinopsis

Temperature fluctuations between two and five degrees centigrade with periods of approximately 40 minutes were observed in the leaves of great northern bean plants grown in a green house when the plants were placed in an ecological wind tunnel under constant environmental conditions. A simple thermodynamic model is proposed which relates the temperature fluctuations to changes observed in the stomatal openings and also predicts the influence of wind velocity on the fluctuation and the evapo- transpiration rate.