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Application of micro-computed tomography to decipher deposition and flocking patterns of clogging material on cylindrical drip emitters

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  • Current Science Vol.124; No.6 - 25 March 2023 pp. 738-747
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Summary: Five sets of cylindrical drip emitters used for up to five years in the farmlands were scanned using micro-com- puted tomography. Around 54.46–94.52% of the total clogging material on the emitters was found on the ac- tive outlet areas that facilitate delivery of water by the emitters. Also, larger flocks of the clogging material were found on the outlet areas. Emitter geometric fea- tures, viz. width of flow path, dent angle and boundary curvature were observed to influence the extent of physical and chemical clogging. Any attempt to design an anti-clogging emitter may necessarily include opti- mization of active outlets
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Five sets of cylindrical drip emitters used for up to five
years in the farmlands were scanned using micro-com-
puted tomography. Around 54.46–94.52% of the total
clogging material on the emitters was found on the ac-
tive outlet areas that facilitate delivery of water by the
emitters. Also, larger flocks of the clogging material
were found on the outlet areas. Emitter geometric fea-
tures, viz. width of flow path, dent angle and boundary
curvature were observed to influence the extent of
physical and chemical clogging. Any attempt to design
an anti-clogging emitter may necessarily include opti-
mization of active outlets

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