Preprint Article Version 1 This version is not peer-reviewed

Potential of Wind Energy Development for Water Abstraction Systems in Developing Country Context: A Case of Teso Sub-Region of Uganda

Version 1 : Received: 30 October 2018 / Approved: 31 October 2018 / Online: 31 October 2018 (06:54:36 CET)

How to cite: Kasozi, J.T.; Kiggundu, N.; Wanyama, J.; Banadda, N. Potential of Wind Energy Development for Water Abstraction Systems in Developing Country Context: A Case of Teso Sub-Region of Uganda. Preprints 2018, 2018100734 (doi: 10.20944/preprints201810.0734.v1). Kasozi, J.T.; Kiggundu, N.; Wanyama, J.; Banadda, N. Potential of Wind Energy Development for Water Abstraction Systems in Developing Country Context: A Case of Teso Sub-Region of Uganda. Preprints 2018, 2018100734 (doi: 10.20944/preprints201810.0734.v1).

Abstract

Wind energy powered pumps could be an alternative to conventional fuel powered pumps for water abstraction because they rely on a free energy and they are environmentally friendly. The objective of this study was to assess the potential of wind energy to operate water abstraction systems in Teso sub-region of Uganda for livestock watering Daily mean wind speeds recorded at a height of 10 m for a period of ten years (2005–2015) were collected from Amuria and Soroti Meteorological stations in the study area. Data were analyzed using Weibull distribution to evaluate the annual wind speed frequency distributions and consequently assess their potential for water abstraction. The results indicated that warmer months (January, February and March) have higher mean wind speeds than the cold months (August, September and October). High wind speeds in the dry seasons corresponded to the periods of high water demand. The highest shape parameter (k) of 3.07 was registered in 2009 and scale parameter (c) of 3.78 in 2012. The highest wind power density of 43 W/m2 was obtained the year 2012 while the lowest wind power density of 15.47 W/m2 was obtained for Soroti district in the year 2009. The maximum power extractable in Amuria in 2012 was 324 W/m2 which is potentially enough for water abstraction. Maximum discharges of 1.86 m3/s and 1.52 m3/s were obtained for Amuria and Soroti districts respectively at mean wind speeds of 5 m/s. Therefore, Teso sub region winds have potential for water abstraction and Amuria district better sites for livestock watering using wind energy.

Subject Areas

wind energy; weibull distributions; water abstraction; water stress; water pumping

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