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UDC 628.144

Luk’ianchuk Maksim, Hyamyalyainen M. M., Smirnova S. V., JUDIN M. Iu.

Hydraulic model use-case in the operation of a water and wastewater services utility

Summary

Hydraulic models are used at the water and wastewater services utilities for addressing different tasks related to improving the operation of water distribution networks. Practitioners have been continuously looking for possible ways of using the models for daily needs of the utilities and their technical execution with the use of software. The advanced software includes an adequate number of functions that ensure completing routine tasks of water distribution network operation, management and development. An example of modeling a fault pipeline section shutoff with sequential valve shifting is presented; a method of basic data generation and presentation of the modeling results is shown. In the viewed example during the routine work execution the hydraulic head is slightly changed. During the pipeline section cutoff pressure monitoring in the control points of the pressure zone and additionally in the sections where pressure reduction is expected based on the results of modeling is carried out. In appropriate cases pressure reduction in the network can be balanced by increasing the output pressure of the pumping station. Changing flow directions will influence to a small extent separate network sections that could be additionally flushed before the cutoff. Following the pipeline cutoff procedure together with the recommendations based on the results of hydraulic modeling provides for eliminating the disruption of water supply to the customers.

Key words

water supply , water supply network , hydraulic design , simulation , hydraulic model

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REFERENCES

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