INVESTIGATION OF THE MANUFACTURING COEFFICIENT OF VARIATION AND EMISSION UNIFORMITY OF COMPENSATING EMITTERS COMMON IN THE COUNTRY

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PARVINI M.; MAROUFPOOR E.

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Journal: Iranian Journal of Irrigation and Drainage Year:2013 | Volume:7 | Issue:2 Page(s): 231-242

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Title

INVESTIGATION OF THE MANUFACTURING COEFFICIENT OF VARIATION AND EMISSION UNIFORMITY OF COMPENSATING EMITTERS COMMON IN THE COUNTRY

Author(s)

PARVINI M. | MAROUFPOOR E. | Issue Writer Certificate

Keywords

MANUFACTURING COEFFICIENT OF VARIATIONQ2

EMISSION UNIFORMITYQ2

COEFFICIENT OF UNIFORMITYQ2

DISCHARGE COEFFICIENT OF VARIATIONQ2

Abstract

Study of the hydraulic and technical characteristics of emitters is one of the most important issues in trickle irrigation research. The researcher carried out her work with nine types of pressure compensating emitter with codes of A, B, C, D, E, F, G, M and N based on a trickle irrigation physical model. All experiments are based on ISO 9261 standard and IRISI 6775 standard of the Institute of Standards & Industrial Research of Iran. The obtained results are as follows: 1) According to the MANUFACTURING COEFFICIENT OF VARIATION and difference between the actual and nominal flow rates, models B and F were rated as good, models A, C, E and G as medium, and models D, M and N were ranked as unacceptable.2) According to the EU, models B, C, F and G were ranked as excellent, models A, D and E as good and models M and N were rated as weak.3) According to the UC, all models except M and N were more than 70% and their flow rate variation have normal distribution 3) Considering all manufacturing quality standards and EMISSION UNIFORMITY of emitters, models B, C and F were nominated as the best emitters.

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APA: Copy

PARVINI, M., & MAROUFPOOR, E.. (2013). INVESTIGATION OF THE MANUFACTURING COEFFICIENT OF VARIATION AND EMISSION UNIFORMITY OF COMPENSATING EMITTERS COMMON IN THE COUNTRY. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 7(2), 231-242. SID. https://sid.ir/paper/131660/en

Vancouver: Copy

PARVINI M., MAROUFPOOR E.. INVESTIGATION OF THE MANUFACTURING COEFFICIENT OF VARIATION AND EMISSION UNIFORMITY OF COMPENSATING EMITTERS COMMON IN THE COUNTRY. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2013;7(2):231-242. Available from: https://sid.ir/paper/131660/en

IEEE: Copy

M. PARVINI, and E. MAROUFPOOR, “INVESTIGATION OF THE MANUFACTURING COEFFICIENT OF VARIATION AND EMISSION UNIFORMITY OF COMPENSATING EMITTERS COMMON IN THE COUNTRY,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 7, no. 2, pp. 231–242, 2013, [Online]. Available: https://sid.ir/paper/131660/en

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