Optimal Spacing of Tube Wells in Relation to Channel Losses and Lining
Publication: Journal of Irrigation and Drainage Engineering
Volume 117, Issue 5
Abstract
Considering different fixed and operating-cost components of water production, a mathematical model has been developed for optimum spacing of shallow tube wells in relation to channel lining and conveyance losses. The model is solved for light-textured soil and shallow aquifer condition of North Bihar, India using the existing market rates of materials. However, the mathematical concept is universally applicable. Optimum spacing of 300 m is found when 70% of the channel is lined. The cost of water production for the study worked out to a minimum of Rs.41.08 (one U.S. dollar equals approximately 18.50 Indian rupees [Rs.]) per 100 m3 of volume. For unlined channel, an optimum spacing of 140 m is found for which the cost of water production comes to Rs.41.93 per 100 m3 of volume.
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References
1.
Jha, S. N. (1987) “Effect of lining materials on seepage loss in irrigation channels of canal command,” thesis presented to the Rajendra Agricultural University, at Bihar, India, in partial fulfillment of the requirements for the degree of Bachelor of Technology.
2.
Mal, B. C., Singh, A. K. P., and Mishra, A. P. (1985). “Optimum spacing of shallow tubewells in relation to conveyance losses.” Irrig. and Power, India, 42(1), 75–78.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 117 • Issue 5 • September 1991
Pages: 791 - 799
Copyright
Copyright © 1991 ASCE.
History
Published online: Sep 1, 1991
Published in print: Sep 1991
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