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Pressure drop analysis of subsurface irrigation dripper system and its flow rate uniformity

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Abstract

Recently, water scarcity has become a serious social problem caused by global climate change. In agricultural water usage, subsurface irrigation techniques can be an alternative method to save water and improve the productivity and quality of crops. The technique supplies water by burying an irrigation hose 30 cm underground rather than placing it on the ground (topsoil), effectively preventing evaporation loss at the soil surface. In this study, we numerically calculated the pressure drop using a dripper installed inside an underground irrigation hose developed in Korea. The pumping load of the domestic product was evaluated in terms of momentum loss and compared with the most widely used Netafim products. The lower the pressure drop in the dripper, the higher the performance of the irrigation system in terms of stable water supply. Using computational fluid dynamics and experiments, we provide a meaningful evaluation of the domestic product in the irrigation system.

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Acknowledgments

This study was conducted with the support of the Rural Development Administration Agenda Project. (Weather Disaster Response Technology Development Project; Project Number: PJ01515403). This paper was submitted in the form of a journal by analyzing and supplementing additional calculations and experimental data from the poster abstract presented at the Korean Society of Mechanical Engineers (KSME) annual meeting of 2021.

Author information

Authors and Affiliations

  1. Department of Precision Mechanical Engineering, Kyungpook National University, Sangju, 37224, Korea

    Jeongsik Kim, Phil Kim, Seolha Kim & Jinhyun Kim

  2. Department of Advanced Science and Technology Convergence, Kyungpook National University, Seoul, 37224, Korea

    Seolha Kim

  3. Namkyung Co. Ltd., Hwaseong, 18626, Korea

    Dukho Eum

  4. Rural Development Administration, National Institute of Crop Science, Miryang, 50424, Korea

    Sanghun Lee

Authors
  1. Jeongsik Kim
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  2. Phil Kim
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  3. Seolha Kim
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  4. Jinhyun Kim
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  5. Dukho Eum
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  6. Sanghun Lee
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Corresponding author

Correspondence to Seolha Kim.

Additional information

JeongSik Kim is an undergraduate student at Kyungpook National University (South Korea), studying for a Bachelor’s degree at the Department of Precision Mechanical Engineering.

Phil Kim is an undergraduate student at Kyungpook National University (South Korea), studying for a Bachelor’s degree at the Department of Precision Mechanical Engineering.

SeolHa Kim graduated from POSTECH, Bachelor (Mechanical Engineering), and Doctor (Nuclear Engineering). He worked at the Korea Atomic Energy Research Institute and the Chinese Academy of Science as a researcher. Currently, he is working at Kyungpook National University as an Assistant Professor.

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Kim, J., Kim, P., Kim, S. et al. Pressure drop analysis of subsurface irrigation dripper system and its flow rate uniformity. J Mech Sci Technol 37, 203–208 (2023). https://doi.org/10.1007/s12206-022-1221-4

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  • DOI: https://doi.org/10.1007/s12206-022-1221-4

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