Volume 21, Issue 1 (Spring 2017)                   JWSS 2017, 21(1): 159-169 | Back to browse issues page

DOI: 10.18869/acadpub.jstnar.21.1.159

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Gavazi F, Maroufpoor E. Evaluation of hydraulic characteristics of several types of drip irrigation tapes. JWSS. 2017; 21 (1) :159-169
URL: http://jstnar.iut.ac.ir/article-1-2821-en.html

Associated Professor University of Kurdistan
Abstract:   (832 Views)

Abstract The main purpose of this study is investigation of hydraulic properties in drip irrigation tape, in this study, 10 type of drip irrigation tape, were tested, and was investigated 4 Effect of temperature water containing 13, 23, 33 and 43 ° C according to the standard ISO 9261 and ISO IRISI Initially all experiments were performed in standard temperature (23°C) in order to find a irrigation tapes. The obtained results are as follows: According to the Cv8 models tapes were ranked as good and 2 models as medium, According to the difference of between the actual and nominal flow rates 3 models were ranked as good, 3 models as medium, 3 models acceptable and 2 models was unacceptable, According to the EU, 9 models were ranked as excellent and T3 was ranked as good, According to the UC, all of models UC were more than 70% and their flow rate variation follows normal distribution, According to qvar, flow rate changes in 3 models were acceptable, 2 models were ranked as good and 5 models were unacceptable.

Full-Text [PDF 534 kb]   (328 Downloads)    
Type of Study: Research | Subject: Ggeneral
Received: 2014/11/9 | Accepted: 2016/08/22 | Published: 2017/06/6

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