Airflow Modeling for Citrus under Protective Screens

This study explores the development and validation of an airflow model to support climate prediction for Citrus Under Protective Screens (CUPS) in California. CUPS is a permeable screen structure designed to protect a field of citrus trees from large insects including the vector that causes the deva...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2024-09, Vol.24 (19), p.6200
Main Authors: Kurafeeva, Liubov, Wolski, Rich, Krintz, Chandra, Smyth, Thomas
Format: Article
Language:English
Subjects:
Agricultural management
Agriculture
Agriculture - methods
CFD
Citrus
citrus crop
Citrus fruits
Citrus greening
controlled environment agriculture
Crop diseases
Environmental conditions
Environmental quality
Fluid dynamics
Humidity
Hydrodynamics
Infections
Infrastructure
Internet of Things
Medical screening
Models, Theoretical
Protection and preservation
Sensors
validation
Wind
wind modeling
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Summary:This study explores the development and validation of an airflow model to support climate prediction for Citrus Under Protective Screens (CUPS) in California. CUPS is a permeable screen structure designed to protect a field of citrus trees from large insects including the vector that causes the devastating citrus greening disease. Because screen structures modify the environmental conditions (e.g., temperature, relative humidity, airflow), farm management and treatment strategies (e.g., pesticide spraying events) must be modified to account for these differences. Toward this end, we develop a model for predicting wind speed and direction in a commercial-scale research CUPS, using a computational fluid dynamics (CFD) model. We describe the model and validate it in two ways. In the first, we model a small-scale replica CUPS under controlled conditions and compare modeled and measured airflow in and around the replica structure. In the second, we model the full-scale CUPS and use historical measurements to "back test" the model's accuracy. In both settings, the modeled airflow values fall within statistical confidence intervals generated from the corresponding measurements of the conditions being modeled. These findings suggest that the model can aid decision support and smart agriculture solutions for farmers as they adapt their farm management practices for CUPS structures.
ISSN:1424-8220
1424-8220
DOI:10.3390/s24196200