Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/9923
Title: Automatic detection of evaporation reducing monolayers
Contributor(s): Coop, Paul A (author); Lamb, David (author); Fellows, Christopher (author)orcid ; Bradbury, Ronald (author)
Publication Date: 2011
Handle Link: https://hdl.handle.net/1959.11/9923
Abstract: Mono-molecular layers, or monolayers, on the surface of water can reduce evaporation by up to 40% on small storages. Effective reduction requires the maintenance of coverage by dispensers, which must be informed by sensors capable of detecting the presence/absence of the monolayer. However, no system has yet been developed that can reliably automatically detect the presence of monolayer. Numerous detection techniques for potential field deployment, including optical and infrared reflectance, measurement of surface tension and wave damping methods were investigated. A wind assisted surface probe (WASP), based on the temperature differential between the sub-surface and volume of a small sample of periodically-entrapped water was subsequently developed. In small scale testing it has shown to be a reliable indicator of monolayer in all but very high humidities.
Publication Type: Conference Publication
Conference Name: Society for Engineering in Agriculture (SEAg) Conference: Diverse Challenges, Innovative Solutions, Surfers Paradise, Australia, 29th - 30th September, 2011
Conference Details: Society for Engineering in Agriculture (SEAg) Conference: Diverse Challenges, Innovative Solutions, Surfers Paradise, Australia, 29th - 30th September, 2011
Source of Publication: Proceedings of the Biennial Conference of the Australian Society for Engineering in Agriculture (SEAg), p. 159-168
Publisher: Australian Society for Engineering in Agriculture
Place of Publication: Barton, Australia
Field of Research (FOR): 020501 Classical and Physical Optics
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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