Airflow profile study of a compost dairy barn using a low-cost 3D-printed anemometer network
Laen...
Kuupäev
2020
Kättesaadav alates
Autorid
Vega, F.A.O.
Rios, A.P.M.
Damasceno, F.A.
Saraz, J.A.O.
Nascimento, J.A.C.
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Abstrakt
Mechanical ventilation is commonly used for environmental thermal regulation inside
closed-field agricultural production systems. Analyzing the air distribution inside these facilities
and the correct operation of the fans can be a challenging. This could be determined using cost
prohibitive techniques as particle image velocimetry or deploying large wind sensors networks
on-site. To avoid this limitation without a lack of measurement accuracy, this research was
focused on developing and test a low-cost anemometer network based in low cost propeller’s
anemometers, built using fused 3D-printed and open-hardware platforms. Four propeller
anemometers with three to six blades were simulated using the 6-DOF method of ANSYS
computer fluid dynamics software. Similar results were obtained for all the simulated models
with minor differences. Anemometers were tested in an open circuit wind tunnel before to be
evaluated in two open compost dairy barn building using high-volume low-speed and low-volume
high-speed fans. Data were analyzed by employing contour maps, descriptive statistics and
correlation. The results show that the anemometer network determines the fan’s wind profile for
wind speeds over 0.7 m s-1
and it was possible to determine the facilities spots with ventilation
problems. The proposed anemometer network and methodology are a good alternative to analyze
the operating conditions of the tested agricultural facilities and optimize its performance.
Kirjeldus
Märksõnad
ventilation optimization, CFD, wind tunnel, Arduino, sensor network, directional anemometer, compost barn, articles