Well Pumps Articles

  • Pump Scheduling Case Study

    There are 10 pumps at this station. The fixed speed pumps 1 to 9 have a duty of 4584 m3/hr at 65m, and pump 10 has a duty of 6000m3/hr at 65m. The pump monitoring equipment is fitted to all the pumps. The normal running combination is for 2 pumps to run during the day, 3 in the evening and 4 over ...


    By Thermancy Ltd.

  • A hybrid MILP-LP-LP approach for the optimal design and operation of unconfined groundwater utilization systems

    This paper proposes a hybrid mixed-integer linear programming-linear programming-linear programming (MILP-LP-LP) methodology for simultaneous optimal design and operation of unconfined groundwater utilization systems. The proposed model is an extension to the earlier LP-LP model introduced by the authors for the optimal design and operation of confined groundwater utilization systems. The ...


    By IWA Publishing

  • Performance assessment of low-order versus high-order numerical schemes in the numerical simulation of aquifer flow

    Numerical methods have been widely used to simulate transient groundwater flow induced by pumping wells in geometrically and mathematically complex systems. However, flow and transport simulation using low-order numerical methods can be computationally expensive with a low rate of convergence in multi-scale problems where fine spatial discretization is required to ensure stability and ...


    By IWA Publishing

  • Treatment of pumping wells case study

    Results from an Australian Trial Problem The pumping wells had accumulated fat and grease on their walls. With time septic conditions had set in giving rise to strong malodours and the local residents had started to complain about the smell. In addition acids produced under septic conditions were damaging the structural integrity of the pipes and pumps and increasing ...


    By Cleveland Biotech Ltd.

  • Analytical Solutions for Free-Hydrocarbon Recovery using Skimmer and Dual-Pump Wells

    Accidental release of petroleum hydrocarbons to the subsurface may occur through spills around refineries, leaking pipelines, storage tanks or other sources. If the spill is large, the hydrocarbon liquids may eventually reach a water table and spread laterally in a pancake-like lens. Hydrocarbons that exist as a separate phase are termed light non-aqueous phase liquids (LNAPL). The portion of the ...

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