EVALUATION OF HYDRAULIC PERFORMANCE OF THE COMPENSATING AND NON-COMPENSATING EMITTERS IN VARIOUS PRESSURES AND TEMPERATURES

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NASROLLAHI ALIHEIDAR; BEHZAD MAJID; BOROMANNASAB SAEID; RAMEZANI MOGHADAM JAVAD

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Journal: Journal of Irrigation Sciences and Engineering Year:2012 | Volume:35 | Issue:3 Page(s): 27-35

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Title

EVALUATION OF HYDRAULIC PERFORMANCE OF THE COMPENSATING AND NON-COMPENSATING EMITTERS IN VARIOUS PRESSURES AND TEMPERATURES

Author(s)

NASROLLAHI ALIHEIDAR | BEHZAD MAJID | BOROMANNASAB SAEID | RAMEZANI MOGHADAM JAVAD | Issue Writer Certificate

Keywords

EMITTERQ2

MANUFACTURING COEFFICIENT OF VARIATIONQ2

PRESSUREQ2

WATER TEMPERATUREQ2

Abstract

Discharge of EMITTERs changes by various factors such as PRESSURE, MANUFACTURING COEFFICIENT OF VARIATION, clogging and the temperature of water irrigation. In order to study the effects of temperature on discharge of EMITTERs, 10 types of EMITTERs have been tested in irrigation laboratory in Faculty of Water Sciences Engineering Ahwaz, Shahid Charm University. In this research, the effect of 4 different temperatures i.e.10, 20, 30, 40°C under 4 PRESSUREs i.e.5, 10, 15, 20 m was reviewed. By calculation of MANUFACTURING COEFFICIENT OF VARIATION and based on American Society of Agricultural Engineers Standard, qualitative classification of EMITTERs was done. Finally, four type were excellent, two of them unusable and the others were between both conditions. For experiments in temperature of 10°, the ice and in temperatures of 30° and 40°, a tank equipped with an electric heater and controlling unit for temperature was used respectively. With regard to obtained results by raising temperature of irrigation water, the discharge of non-compensating EMITTERs was increased. In compensating EMITTERs, the temperature didn't have significant effect on discharge of EMITTERs in 3 cases, but in two types cause discharge was decreased and in one, discharge was increased. In final, result showed that temperature doesn't have a significant effect on MANUFACTURING COEFFICIENT OF VARIATION and water emission Uniformity.

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APA: Copy

NASROLLAHI, ALIHEIDAR, BEHZAD, MAJID, BOROMANNASAB, SAEID, & RAMEZANI MOGHADAM, JAVAD. (2012). EVALUATION OF HYDRAULIC PERFORMANCE OF THE COMPENSATING AND NON-COMPENSATING EMITTERS IN VARIOUS PRESSURES AND TEMPERATURES. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), 35(3), 27-35. SID. https://sid.ir/paper/217203/en

Vancouver: Copy

NASROLLAHI ALIHEIDAR, BEHZAD MAJID, BOROMANNASAB SAEID, RAMEZANI MOGHADAM JAVAD. EVALUATION OF HYDRAULIC PERFORMANCE OF THE COMPENSATING AND NON-COMPENSATING EMITTERS IN VARIOUS PRESSURES AND TEMPERATURES. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2012;35(3):27-35. Available from: https://sid.ir/paper/217203/en

IEEE: Copy

ALIHEIDAR NASROLLAHI, MAJID BEHZAD, SAEID BOROMANNASAB, and JAVAD RAMEZANI MOGHADAM, “EVALUATION OF HYDRAULIC PERFORMANCE OF THE COMPENSATING AND NON-COMPENSATING EMITTERS IN VARIOUS PRESSURES AND TEMPERATURES,” IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 35, no. 3, pp. 27–35, 2012, [Online]. Available: https://sid.ir/paper/217203/en

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