Precision farming in crop and livestock production

Photo: ATB

Project

Title
Modellierung von Lüftungsraten und Luftströmungsmustern von freibelüfteten Schweineställe mit Außenauslauf
Acronym
MNVBoys
Start
01.07.2022
End
30.06.2025
Coordinating Institute
Leibniz-Institut für Agrartechnik und Bioökonomie e.V. (ATB)
Coordinator
Partner
Christian-Albrecht-Universität zu Kiel

Allocated to research program
Summary
Naturally ventilated pig barns with outdoor exercise yards (NVPBOYs) are receiving increasing attention worldwide. The air exchange between outside and inside a NVPBOY is poorly understood which prevents estimation of emissions and aerosol dispersion from such systems. The objectives of the proposal are to obtain fundamental insights into the influence of opening size, wind speed, wind direction, temperature, pig live weight and the actual location of the pigs within the barn on the ventilation rate (VR) and indoor airflow pattern of NVPBOYs. The three-pillar model method that consists of wind tunnel experiments, on-farm measurements and computational fluid dynamics is used in this project. Response surface methodology is used for modelling the VR of NVPBOYs. The project will provide fundamental insights into the interaction between VR, indoor airflows and their influencing factors for NVPBOYs. This permits to accurately quantify VR in dependence of the structural and climatic boundary conditions, as well as the animal behaviour. The expected research findings are a basis for providing good indoor environment and for estimating emissions.

Funding
Deutsche Forschungsgemeinschaft (DFG)
Funding agency
Deutsche Forschungsgemeinschaft (DFG)
Grant agreement number
467000790
Funding framework
Erstantrag

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