News and commentary about ecodesign, geothermal heatstorage, PAH seasonal storage, urban farming, rainwater harvesting, grey water recycling, natural ventilation, passive summer cooling, energy autonomy, off grid solar comfort, as well as refined prototypes i am currently building.
Monday, August 27, 2012
passive solar drying
The second generation counter flow passive solar dryer is getting up to speed, refined the temp sensing so that airflow temp is not influenced by direct thermal radiation on the probe, sealed the enclosure still needs more sealing, but it generates decent temps, but during windy conditions i see sizeable temp changes due to a gap in top of preheat enclosure, interesting to observe natural phenomena!
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