Fluidic Device for Surge Flow Irrigation
Publication: Journal of Irrigation and Drainage Engineering
Volume 124, Issue 5
Abstract
The surge flow irrigation method has proven its ability to increase on-farm water use efficiency. As is well known, an intermittent flow discharge device is needed for the application of this irrigation technique. Several electronic valves that produce intermittence are currently available. As is shown in this paper, such valves represent only one option for the application of surge irrigation. Simpler and less expensive options are also feasible. In this paper, a very simple device that produces a predictable intermittent discharge is presented. The device is fluidic in nature, making the use of moving control elements or external energy sources unnecessary. The operating principles of the device are described, and general design equations are derived. Laboratory test results are presented, and on-farm application experiences are described.
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References
1.
Bishop, A. A., Walker, W. R., Allen, N. L., and Poole, G. J.(1981). “Furrow advance rates under surge flow systems.”J. Irrig. and Drain. Div., ASCE, 107(3), 257–264.
2.
Coolidge, P. S., Walker, W. R., and Bishop, A. A.(1982). “Advance and runoff-surge flow irrigation.”J. Irrig. and Drain. Div., ASCE, 108(1), 35–42.
3.
Martinez-Austria, P., and Aldama, A. (1990). “Dispositivo fluídico para riego intermitente.”Res. Rep., Instituto Mexicano de Tecnologia del Agua, Jiutepec, Morelos, México (in Spanish).
4.
Samani, Z. A., Walker, W. R., and Willardson, L. S.(1985). “Infiltration under surge flow irrigation.”Trans., ASAE, 28(5), 1539–1542.
5.
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6.
Stringham, G. E., and Keller, J. (1979). “Surge flow automatic irrigation.”Proc., ASCE Irrig. and Drain. Div. Specialty Conf., ASCE, Reston, Va., 132–142.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 124 • Issue 5 • September 1998
Pages: 262 - 264
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Sep 1, 1998
Published in print: Sep 1998
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