ANALYSIS OF HYDRAULIC FLOW CHARACTERISTICS IN SMALL EMITTER CHANNELS BY USING FLUENT SOFTWARE

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DELGHANDI MAHDI; BEHZAD MAJID; BROUMANDNASAB S.

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Paper Information

Journal: Journal of Water and Soil Year:2010 | Volume:24 | Issue:4 Page(s): 699-714

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Title

ANALYSIS OF HYDRAULIC FLOW CHARACTERISTICS IN SMALL EMITTER CHANNELS BY USING FLUENT SOFTWARE

Author(s)

DELGHANDI MAHDI | BEHZAD MAJID | BROUMANDNASAB S. | Issue Writer Certificate

Keywords

EMITTERQ2

COMPUTATIONAL FLUID DYNAMICS (CFD)Q3

PRESSURE- DISCHARGE RELATIONSHIPQ3

Abstract

EMITTER is the key component in drip irrigation system. It is necessary to have a comprehensive understanding of the flow mechanisms within drip irrigation EMITTERs to design EMITTERs that have a high performance. The use of computational fluid dynamics (CFD) to research the flow characteristics is appropriate because the labyrinth flow path is narrow and its boundary is complex. In this study, the flow in labyrinth channels was simulated by using the method of computational fluid dynamics (CFD) to calculate the distributions of pressure and velocity of the flow, and to calculate the relationship between pressure and rate of discharge for three sample of one type EMITTER. The EMITTERs were destroyed and sizes of those channels were calculated by photography with Scanning Electronic Microscope (SEM). To calculate the relationship between pressure and rate of discharge as well as simulation of flow in EMITTERs' channels, laminar flow model and turbulence model were applied. Verification of the results obtained from the CFD simulation was conducted in laboratory, according to the ISO9261 standard.The results of simulation for the labyrinth channel well matched the measured data in laboratory Computational fluid dynamics provides a promising tool to help in the design of labyrinth channels used in drip EMITTERs.

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APA: Copy

DELGHANDI, MAHDI, BEHZAD, MAJID, & BROUMANDNASAB, S.. (2010). ANALYSIS OF HYDRAULIC FLOW CHARACTERISTICS IN SMALL EMITTER CHANNELS BY USING FLUENT SOFTWARE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 24(4), 699-714. SID. https://sid.ir/paper/141944/en

Vancouver: Copy

DELGHANDI MAHDI, BEHZAD MAJID, BROUMANDNASAB S.. ANALYSIS OF HYDRAULIC FLOW CHARACTERISTICS IN SMALL EMITTER CHANNELS BY USING FLUENT SOFTWARE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2010;24(4):699-714. Available from: https://sid.ir/paper/141944/en

IEEE: Copy

MAHDI DELGHANDI, MAJID BEHZAD, and S. BROUMANDNASAB, “ANALYSIS OF HYDRAULIC FLOW CHARACTERISTICS IN SMALL EMITTER CHANNELS BY USING FLUENT SOFTWARE,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 24, no. 4, pp. 699–714, 2010, [Online]. Available: https://sid.ir/paper/141944/en

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