C2.3 - Surveillance of Drying Processes of Forage Layers in Silos
- AMA Conferences 2015
2015-05-19 - 2015-05-21
- Proceedings SENSOR 2015
- C2 - Applications
- A. Stacheter, D. Becker - Coburg University of Applied Science and Arts, Coburg (Germany)
- 377 - 380
rganic particle depositions at the inner side of tower silo walls present health risks for animals and humans, creating a habitat for mycotoxin producing molds. Mold proliferation and mycotoxin production in forage substrates are influenced by abiotic factors such as the water content. Until now, a non-invasive detection method of forage depositions in silos has not been available, making it difficult to remove them accurately timed to prevent of fungal infestation. In the current study a Lamb wave based acoustical sensor principle was developed in order to detect wet organic depositions at the inner wall of steel silos. It was shown that forage layers on the propagation track of Lamb waves impact on propagation velocity and maximum amplitude of Lamb waves based on mass loading and mode conversion. The maximum amplitude and the propagation time were much more dependent on the humidity of the forage layer than on layer thickness. Therefore the sensor principle was suitable to detect important key factors of mold infestation in forage silos.