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Performance of solar-powered drip-irrigation system [electronic resource].

By:

Awady, M. N

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Language: English Summary language: Arabic Description: p.297-312Other title:

أداء جهاز ري بالتنقيط يعمل بالطاقة الشمسية [Added title page title]

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Misr journal of agricultural engineering, 2002 v.19 (2) [electronic resource].

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In: Misr Journal of Agricultural Engineering 2002.v.19(2)Summary: A solar-powered drip irrigation system has been developed and tested in sandy soil. The system used 10 photovoltaic modules with a total receptive area of 4.27m2.It produced a power of 530 W with 108.5 V. The solar-electric generation efficiency was found 8-9 %. The max. Pumped discharge and head were 10 m3/h and 8 m respectively. The EU of the drip system increased to 92 % with head up to 4.5 m. This suggests using dippers to suit low heads within 5 m. The solar system gave better moisture-distribution with soii depth, due to longer daily operation duration and little water release rates, which encourages horizontal moisture diffusion against deep percolation, in addition to reduced surface evaporation. Key Words Solar-drip-irrigation, solar-pumping, solar-electric-efficiency, emiss-ion uniformity (EU), moisture-distribution.

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A solar-powered drip irrigation system has been developed and tested in sandy soil. The system used 10 photovoltaic modules with a total receptive area of 4.27m2.It produced a power of 530 W with 108.5 V. The solar-electric generation efficiency was found 8-9 %. The max. Pumped discharge and head were 10 m3/h and 8 m respectively. The EU of the drip system increased to 92 % with head up to 4.5 m. This suggests using dippers to suit low heads within 5 m. The solar system gave better moisture-distribution with soii depth, due to longer daily operation duration and little water release rates, which encourages horizontal moisture diffusion against deep percolation, in addition to reduced surface evaporation. Key Words Solar-drip-irrigation, solar-pumping, solar-electric-efficiency, emiss-ion uniformity (EU), moisture-distribution.

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