Journal of Bioscience and Agriculture Research |
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Research article:
Designing locally fabricated wooden piston valves for a low-cost hand pump
Nusrat Jahan (a), Md. Moinul Hosain Oliver (b), Md. Abul Khair (c) and Md. Ashrafuzzaman Gulandaz (a)
aFarm Machineries and Postharvest Process Engineering Division, Bangladesh Agricultural Research Institute, Gazipur 1701
bDept. of Agricultural Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706
cDept. of Irrigation and Water Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
J. bios. agric. res. | Volume 08, Issue 01, pp. 685-694 | Available online: 29 April 2016
DOI: http://dx.doi.org/10.18801/jbar.080116.81
Designing locally fabricated wooden piston valves for a low-cost hand pump
Nusrat Jahan (a), Md. Moinul Hosain Oliver (b), Md. Abul Khair (c) and Md. Ashrafuzzaman Gulandaz (a)
aFarm Machineries and Postharvest Process Engineering Division, Bangladesh Agricultural Research Institute, Gazipur 1701
bDept. of Agricultural Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706
cDept. of Irrigation and Water Management, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
J. bios. agric. res. | Volume 08, Issue 01, pp. 685-694 | Available online: 29 April 2016
DOI: http://dx.doi.org/10.18801/jbar.080116.81
| 81_jbar_designing_locally__fabricated_wooden_piston_valves_for_a_low_cost_hand_pump.pdf |
Title: Designing locally fabricated wooden piston valves for a low-cost hand pump
Abstract: Affordable groundwater pumping devices are important aspects of sustainable agricultural growth in Bangladesh. Despite irrigation, pumps are also important for the extraction of safe drinking water in rural areas. This study reports the performance of a newly designed low-cost double-acting reciprocating pump for groundwater irrigation. Instead of traditional leather valves, locally fabricated wooden piston valves (PV) were used in the pump. Four different designs of wooden valves having different open surface area were tested for their performance. The discharge of the pump was found to be very satisfactory (137-160 L/min) at 2m of suction head compared to other similar pumping devices. The pump speed was found to be correlated with the total open surface area of the valve. The coefficient of discharge for all the wooden valves was well over 50% even at higher heads indicating better performance for a reciprocating pump. The overall efficiency of the pump at lower heads ranged around 17-25%, while at higher heads, it ranged around 7-12%. In terms of the design, the PV1 and PV2 was found to have shown better performance indices. These wooden discs were cheap, locally fabricated and hence, would minimize the cost of replacement of the valve if required.
Key Words: Reciprocating pump, Manual irrigation, Pump discharge; Low-cost irrigation, Rural water supply and Sanitation
Abstract: Affordable groundwater pumping devices are important aspects of sustainable agricultural growth in Bangladesh. Despite irrigation, pumps are also important for the extraction of safe drinking water in rural areas. This study reports the performance of a newly designed low-cost double-acting reciprocating pump for groundwater irrigation. Instead of traditional leather valves, locally fabricated wooden piston valves (PV) were used in the pump. Four different designs of wooden valves having different open surface area were tested for their performance. The discharge of the pump was found to be very satisfactory (137-160 L/min) at 2m of suction head compared to other similar pumping devices. The pump speed was found to be correlated with the total open surface area of the valve. The coefficient of discharge for all the wooden valves was well over 50% even at higher heads indicating better performance for a reciprocating pump. The overall efficiency of the pump at lower heads ranged around 17-25%, while at higher heads, it ranged around 7-12%. In terms of the design, the PV1 and PV2 was found to have shown better performance indices. These wooden discs were cheap, locally fabricated and hence, would minimize the cost of replacement of the valve if required.
Key Words: Reciprocating pump, Manual irrigation, Pump discharge; Low-cost irrigation, Rural water supply and Sanitation
APA (American Psychological Association)
Jahan N., Oliver, M. M. H., Khair, M. A. & Gulandaz, M. A. (2016). Designing locally fabricated wooden piston valves for a low-cost hand pump. Journal of Bioscience and Agriculture Research, 08(01), 685-694.
MLA (Modern Language Association)
Jahan N., Oliver, M. M. H., Khair, M. A. & Gulandaz, M. A. "Designing locally fabricated wooden piston valves for a low-cost hand pump." Journal of Bioscience and Agriculture Research, 08.01 (2016), 685-694.
Chicago/Turabian
Jahan N., Oliver, M. M. H., Khair, M. A. & Gulandaz, M. A. Designing locally fabricated wooden piston valves for a low-cost hand pump. Journal of Bioscience and Agriculture Research, 08, no. 01 (2016), 685-694.
Jahan N., Oliver, M. M. H., Khair, M. A. & Gulandaz, M. A. (2016). Designing locally fabricated wooden piston valves for a low-cost hand pump. Journal of Bioscience and Agriculture Research, 08(01), 685-694.
MLA (Modern Language Association)
Jahan N., Oliver, M. M. H., Khair, M. A. & Gulandaz, M. A. "Designing locally fabricated wooden piston valves for a low-cost hand pump." Journal of Bioscience and Agriculture Research, 08.01 (2016), 685-694.
Chicago/Turabian
Jahan N., Oliver, M. M. H., Khair, M. A. & Gulandaz, M. A. Designing locally fabricated wooden piston valves for a low-cost hand pump. Journal of Bioscience and Agriculture Research, 08, no. 01 (2016), 685-694.
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