Assessment of Hydraulic Performance of Drip-Irrigation Emitters at Low Head Pressures

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	Assessment of Hydraulic Performance of Drip-Irrigation Emitters at Low Head Pressures
	Zhang, Chao; Kang, Yaohu; Jiang, Shufang; Wan, Shuqin; Liu, Shiping
	2011-11-01
Source Publication	JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING-ASCE
Volume	137 Issue:11 Pages:730-734
Abstract	The hydraulic performance of drip-irrigation emitters is very important for the design of drip-irrigation systems, especially when commonly available high-head emitters are used in low-head drip-irrigation systems. This study tested three representative commercially available emitters using a custom-made constant-head setup to assess the hydraulic performance in working heads ranging from 0.2 to 10 m. The coefficient of manufacturing variation (C(v)) and the emitter discharge exponent (x) were calculated. All the tested emitters were found suitable for low-head drip irrigation systems, but there was a clear effect on the coefficient of manufacturing variation and the emitter discharge exponent of the tested emitters at working heads of less than 1.0 m.
Subtype	Article
Keyword	Emitter Hydraulic Performance Drip Irrigation Low Head
WOS Headings	Science & Technology ; Life Sciences & Biomedicine ; Technology ; Physical Sciences
WOS Subject Extended	Agriculture ; Engineering ; Water Resources
Indexed By	SCI
Language	英语
WOS Subject	Agricultural Engineering ; Engineering, Civil ; Water Resources
WOS ID	WOS:000298246400007
Publisher	ASCE-AMER SOC CIVIL ENGINEERS
Citation statistics
Document Type	期刊论文
Identifier	http://ir.igsnrr.ac.cn/handle/311030/68094
Collection	中国科学院地理科学与资源研究所
Corresponding Author	Kang, Yaohu
Affiliation	Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
Recommended Citation GB/T 7714	Zhang, Chao,Kang, Yaohu,Jiang, Shufang,et al. Assessment of Hydraulic Performance of Drip-Irrigation Emitters at Low Head Pressures[J]. JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING-ASCE,2011,137(11):730-734.
APA	Zhang, Chao,Kang, Yaohu,Jiang, Shufang,Wan, Shuqin,&Liu, Shiping.(2011).Assessment of Hydraulic Performance of Drip-Irrigation Emitters at Low Head Pressures.JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING-ASCE,137(11),730-734.
MLA	Zhang, Chao,et al."Assessment of Hydraulic Performance of Drip-Irrigation Emitters at Low Head Pressures".JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING-ASCE 137.11(2011):730-734.

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