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A Simplified Irrigation Pump Testing Method for Developing Countries: A Case Study in Bangladesh.

Su Yu1, Jonathan S Colton1, Md Abdul Matin2,3

  • 1George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology Atlanta Georgia USA.

Irrigation and Drainage (International Commission on Irrigation and Drainage)
|September 24, 2019
PubMed
Summary

A new fluid mechanics method helps small farmers in South Asia select surface water irrigation pumps. This approach accounts for manufacturing variations, improving irrigation efficiency during dry seasons.

Keywords:
axial‐flow pumpcomputer‐aided engineeringfull‐scale field testmanufacturing analysisnumerical simulationsmall‐scale farmers

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Area of Science:

  • Agricultural Engineering
  • Fluid Mechanics
  • Irrigation Technology

Background:

  • South Asia's monomodal rainfall necessitates dry season irrigation for crop productivity.
  • Government initiatives promote surface water irrigation in southern Bangladesh to conserve groundwater.
  • Small-scale farmers require accessible and reliable irrigation pump selection methods.

Purpose of the Study:

  • To develop a first-principles fluid mechanics method for characterizing surface water irrigation pump performance.
  • To create a simple, comprehensive pump selection tool for resource-limited conditions.
  • To analyze the impact of manufacturing variations on pump performance using impellers as a case study.

Main Methods:

  • Application of fluid mechanics principles to pump performance analysis.
  • Development of an optimized protocol for resource-limited settings.
  • Case study validation in Bangladesh using field testing and numerical simulations.

Main Results:

  • A validated method for characterizing surface water irrigation pump performance.
  • Demonstration of the influence of geometric variations from manufacturing on pump efficiency.
  • A practical pump selection guide for small-scale farmers.

Conclusions:

  • The developed method provides a robust yet simple tool for irrigation pump selection in developing countries.
  • Understanding manufacturing variations is crucial for optimizing pump performance in small-scale irrigation.
  • This approach supports sustainable agricultural practices by enhancing surface water irrigation efficiency.