Sprinkler rotation and water application rate for the new type complete fluidic sprinkler and impact sprinkler
Keywords:
sprinkler rotation, variation, water application rate, complete fluidic sprinkler, impact sprinkler, rotation uniformityAbstract
Abstract: One important indicator of the good performance of rotating sprinklers is the uniformity of rotation. The objective of this experimental study was to investigate the rotation uniformity and water application rate of the newly designed complete fluidic sprinkler in comparison to the widely used impact sprinkler, with the goal to offer recommendations to improve the fluidic sprinkler’s operation performance. Single-sprinkler water application experiments were conducted in accordance with the American Society of Agricultural and Biological Engineers standard. Sprinkler completion time through the four quadrants of rotation and water delivery in catch cans were measured at different operating pressures for each sprinkler-nozzle size configuration. The capabilities of Matrix Laboratory were employed to simulate the overlap of adjacent quadrants and to visualize the effect of sprinkler rotation speed variation on water application rate. Quadrant completion time variations were small for both impact and fluidic sprinklers. However, variations in completion time through the quadrants were higher for the fluidic sprinkler compared to the impact sprinkler. Relatively higher variations in water application rates were also observed for the fluidic sprinkler. The optimization of the design features of the fluidic component is necessary to improve rotation stability and to minimize variability in water application rate of the fluidic sprinkler. The study significantly highlighted some performance qualities of the complete fluidic sprinkler in comparison to that of the impact sprinkler. The findings of this research will help to improve the efficiency of the new type complete fluidic sprinkler. Keywords: sprinkler rotation, variation, water application rate, complete fluidic sprinkler, impact sprinkler, rotation uniformity DOI: 10.3965/j.ijabe.20140704.005 Citation: Dwomoh F A, Yuan S Q, Li H. Sprinkler rotation and water application rate for the newly invented wall attachment fluidic sprinkler and impact sprinkler. Int J Agric & Biol Eng, 2014; 7(4): 38-46.References
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[2] Li J. Sprinkler irrigation hydraulic Performance and crop yield. Thesis report, 2000; pp. 75–85. Faculty of Agriculture, Kagawa University, Japan.
[3] Seginer I, Kantz D, Bernuth R D von, Nir D. Indoor measurement of single-radius sprinkler patterns.
Transactions of ASAE, 1992; 35(2): 523–533.
[4] Wallender W W, Dadiao C. Droplet size distribution and water application with low-pressure sprinklers. Transactions of ASAE, 1985; 28: 511–916.
[5] DeBoer D W, Monnens M J, Kincaid D C. Measurement of sprinkler drop size. Applied Engineering in Agriculture, 2001; 17(1): 11–15.
[6] Evans R, Han G S, Kroeger M W. Spatial distribution and uniformity evaluations for Chemigation with center pivots. Transactions of the ASAE, 1995; 38(1): 85–92.
[7] Tarjuelo J M, Montero J, Carrion P A, Honrubia F T, Calvo M A. Irrigation uniformity with medium size sprinkler, part I: Characterization of water distribution in no–wind conditions. Transactions of the ASAE, 1999; 42(3): 677–689.
[8] Dogan E, Kirnak H, Dogan Z. Effect of varying the distance of collectors below a sprinkler head and travel speed on measurements of mean water depth and uniformity for a linear move irrigation sprinkler system. Biosystems Engineering, 2008; 99(2): 190–195.
[9] Solomon K H. Sprinkler irrigation uniformity. ASPAC, Food and Fertilizer Technology Center, Taiwan. Extension Bulletin No.247, 1987.
[10] Dogan E, Clark G A, Rogers D H, Martin V L. Evaluation of collector size for the measurement of irrigation depths. ASAE Paper No. 03-2007, 2003; American Society of Agricultural Engineers, St. Joseph, MI.
[11] Dwomoh F A, Yuan S Q, Li H. Performance characteristics and droplet drift dynamics of irrigation (fluidic) sprinklers. Dissertation report, 2013; pp. 37–53. Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, China.
[12] Heermann D F, Duke H R, Serafim A M, Dawson L J. Distribution functions to represent center-pivot water distribution. Transactions of the ASAE, 1992; 35(5): 1465–1472.
[13] Evans R, Han G S, Kroeger M W. Spatial distribution and uniformity evaluations for Chemigation with center pivots. Transactions of the ASAE, 1995; 38(1): 85–92.
[14] Solomon K H. Variability of sprinkler coefficient of uniformity test results. Transactions of the ASAE, 1979; 22: 1078–1080, 1086.
[15] Chinese National Standard. Rotating sprinklers-Technical requirements. GB 5670. 1985; pp: 2–85. Beijing, China.
[16] Zhu X Y, Yuan S Q, Liu J P. Effect of sprinkler head geometrical parameters on hydraulic performance of fluidic sprinkler. Journal of the Irrigation and Drainage, 2012; 138(11): 1019–1026.
[17] Li H, Yuan S Q, Liu J P, Qingjiang, Zhang J, Zhu X Y, Xie F Q. 2007. Wall-attachment fluidic sprinkler. Ch. Patent No. 101224444 B.
[18] Coanda effect. Columbia Electronic Encyclopedia, 2013; 6th Edition. Digital version available here: http://www. answers.com/topic/coanda-effect.
[19] Dwomoh F A, Yuan S Q, Li H. Field performance characteristics of fluidic sprinkler. Applied Engineering in Agriculture, 2013; 29(4): 529–536.
[20] Sourell H, Faci J M, Playán E. Performance of rotating spray plate sprinklers indoor experiments. Journal of Irrigation and Drainage Engineering, 2003; 129(5): 376–380.
[21] ASABE Standards. American Society of Agricultural and Biological Engineers. Procedure for sprinkler testing and performance reporting. ASABE standards, S398.1 –1985 (R2007).
[22] Keller J, Bliesner R D. Sprinkler and trickle irrigation. New York, N.Y.: An Avi Book, 1990; Van Nostrand Reinhold Pub.
[23] Liu J, Yuan S, Li H, Zhu X. Comparative research on hydraulic performance of sprinkler heads in sprinkler irrigation. ASABE Annual International Meeting. 2012. Paper Number: 12-1340920.
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Published
2014-08-25
How to Cite
Dwomoh, F. A., Shouqi, Y., & Hong, L. (2014). Sprinkler rotation and water application rate for the new type complete fluidic sprinkler and impact sprinkler. International Journal of Agricultural and Biological Engineering, 7(4), 38–46. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/1398
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Natural Resources and Environmental Systems
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