Published

2016-05-01

Emitter clogging when using water from a tributary of the Bogotá River in Colombia

Taponamiento de goteros utilizando agua de un afluente del río Bogotá en Colombia

DOI:

https://doi.org/10.15446/agron.colomb.v34n2.56890

Keywords:

micro irrigation, emitter, water quality (en)
Micro-irrigación, emisor, calidad (es)

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Authors

  • Johana Almario-Narváez Universidad Nacional de Colombia - Sede Bogotá - Faculty of Engineering - Department of Civil Engineering and Agricultural Engineering
  • Javier Enrique Vélez-Sánchez Universidad Nacional de Colombia - Sede Bogotá - Faculty of Engineering - Department of Civil Engineering and Agricultural Engineering
  • María Jaqueline Molina-Ochoa Universidad Nacional de Colombia - Sede Bogotá - Faculty of Engineering - Department of Civil Engineering and Agricultural Engineering
An experiment was conducted to study the behavior of three types of emitters used in Colombia under real-work conditions using water from the Neusa River, a tributary of the Bogotá River. The emitters included: an in-line turbulent-flow emitter (E1), an integrated turbulent-flow emitter (E2), and an integrated self-regulated turbulent-flow emitter (E3). The operation and quality of the emitters were evaluated taking into account the flow decrease trend over time (RF), the flow reduction percentage of the emitters (qr), the coefficient of variation (Cv), the Christiansen uniformity coefficient (CU), and the emission uniformity (EU). The results indicated that the water quality in general affected the performance of the emitters over time, depending on the characteristics and properties of the emitters. The EU and CU decreased in the three emitter types as the experiment progressed and the Cv and qr increased. The E2 emitter showed a lower Cv and qr and a higher CU and EU than the E1 and E3 emitters.
Se realizó un experimento para estudiar el comportamiento de tres tipos de emisores utilizados en Colombia en condiciones de operación real, tomando como fuente de agua el río Neusa afluente del río Bogotá. Los emisores utilizados fueron: gotero en línea de flujo turbulento (E1), gotero integrado de flujo turbulento (E2) y gotero integrado de flujo turbulento autor-regulado (E3). El funcionamiento y calidad de los emisores fue evaluado teniendo en cuenta: la tendencia de diminución del caudal en el tiempo (RF), la reducción de caudal del emisor en porcentaje (qr), el coeficiente de variación (Cv), el coeficiente de uniformidad de Christiansen (CU) y la uniformidad de emisión (EU). Los resultados muestran como la calidad del agua afectó el desempeño del gotero a través del tiempo, dependiendo de las características y propiedades del emisor. La EU y el CU en los tres tipos de emisores disminuyó a medida que avanzó la experimentación y el Cv y qr, aumentaron. El emisor tipo E2, mostró menores Cv y qr y un mayor CU, EU que los emisores tipo E1 y E3, respectivamente.

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