Determinación del bajo caudal másico de trigo en una sembradora utilizando un sensor Doppler de microondas

Palabras clave: caudal másico de semillas, sensor de microondas, trigo, unidad dosificadora de semillas

Resumen

Objetivo del estudio: desarrollar un sistema de medición sin contacto y de bajo coste que pueda utilizarse tanto en el campo como en el laboratorio para bajos caudales volumétricos.

Área de estudio: Türkiye.

Material y métodos: Se desarrolló un sistema de medición para determinar el caudal de semillas de trigo depositadas a diferentes tasas de flujo desde la unidad dosificadora de semillas, que cuenta con un rodillo dosificador con púas, utilizando un sensor de microondas de bajo coste. Se determinaron los caudales para 16 diferentes dosis de siembra y se midieron con balanzas de precisión. Se montó un sensor de microondas en el tubo de semillas. Las balanzas de precisión y el sensor de microondas se operaron simultáneamente.

Principales resultados: Para los valores obtenidos, se realizaron análisis de correlación y regresión. Según el análisis, se encontró que los valores de voltaje obtenidos del sensor de microondas aumentaban linealmente con el incremento del caudal. Se observó una relación lineal significativa (R² = 0.974) entre los valores medios del caudal másico medidos con las balanzas y los medidos con el sensor de microondas.

Conclusiones: Se determinó que el sistema de medición con sensor de microondas desarrollado puede utilizarse para evaluar el rendimiento de las sembradoras en el laboratorio y para monitorear la cantidad de flujo de semillas en el campo.

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Publicado
2025-04-30
Cómo citar
Boydas, M. G. (2025). Determinación del bajo caudal másico de trigo en una sembradora utilizando un sensor Doppler de microondas. Spanish Journal of Agricultural Research, 23(1), 20393. https://doi.org/10.5424/sjar/2025231-20393
Sección
Ingeniería agraria