Hannover 2010 – wissenschaftliches Programm
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UP: Fachverband Umweltphysik
UP 1: Atmospheric Spectroscopy
UP 1.7: Vortrag
Dienstag, 9. März 2010, 16:00–16:15, M 11
Exploitation of water from air moisture — •Dieter F. Ihrig1, Michael Licht2, and Andreas Vach1 — 1FH Suedwestfalen, Iserlohn, Germany — 2Dr Licht GmbH, Nümbrecht, Germany
One of the greatest problems is supplying the whole mankind with water. Our approach to this urgent problem is to harvest atmospheric water (dew) by using polymer films (LDPE/LLDPE) that are transparent to the atmospheric window at 8 to 13 micron. This allows cooling down a device just by looking through that window into the cold upper atmosphere. First results of the first generation of devices are published in JPCE [1] and presented to the spring meeting 2008. The prototype of a second generation device which is directly sampling water at night was tested in summer 2009. Results varying different conditions are shown. First results of a surface modification method done with the aim of forcing radiation exchange are shown, too. This project was funded by the German Federal Ministry of Education and Research (FKZ 02WD0458)
[1] D. F. Ihrig, M. Licht, U. Brunert & J. Eggemann: Winning drinking water using radiation exchange; Physics and Chemistry of the Earth, Elsevier, 33, 86-91