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Development And Testing Of A Low-Cost Condensation Detection System, Michael D. Montross, George A. Duncan, Richard S. Gates
Development And Testing Of A Low-Cost Condensation Detection System, Michael D. Montross, George A. Duncan, Richard S. Gates
Biosystems and Agricultural Engineering Faculty Publications
A condensation sensing and control system was designed to detect condensation using a commercially available leaf wetness sensor (LWS). The leaf wetness sensor was a variable resistance grid-type that responded to moisture on the surface. A circuit was developed to compare the LWS voltage output to a user specified reference voltage, and operate a relay for possible switching of a humidity control device (for example a fan and/or heater). The condensation detection system operation was validated in an environmental chamber in the laboratory using a heat exchanger and water bath. Condensate was immediately detected when the plate was cooled below …
Vertical Loads Due To Wheat On Obstructions Located On The Floor Of A Model Bin, Marek Molenda, Michael D. Montross, Sidney A. Thompson, Jozef Horabik
Vertical Loads Due To Wheat On Obstructions Located On The Floor Of A Model Bin, Marek Molenda, Michael D. Montross, Sidney A. Thompson, Jozef Horabik
Biosystems and Agricultural Engineering Faculty Publications
Tests were conducted in a model grain bin to evaluate the vertical loads acting on differently shaped obstructions embedded in wheat during filling, detention, and discharge. The bin had corrugated galvanized steel walls with a 1.83 m diameter and a flat bottom. All tests were conducted in a bin that was centrically loaded and unloaded. Three differently shaped obstructions (disc, cone, and cylinder) were tested; each had a circular base equivalent to 6% of the bin floor area. The obstructions were supported in the bin using a three-legged support structure. Each leg of the support structure rested on a load …