Abstract
The objective was to develop a method for determining leaks in a branchless water pipeline section, when a pressure drop in the pipe under the action of friction forces is observed. The problem of detecting leaks can be solved by developing new methods for monitoring the operation of water supply and distribution systems. A well-known method for detecting leaks in branchless pipelines consists in determination of the coordinates of the intersection point of lines that characterize the pressure change in the pipe before and after the leak incident. On this basis, a method is proposed for determining several leak locations in the water supply system with fewer necessary measurements. A well-known method for determining leaking sites in a horizontal water supply section with a constant pipe diameter was analysed. One disadvantage of this method is that determination of a leaking site may require numerous measurements to establish the ratio of the pipeline length to the most likely minimum length of the interval between nearby leak points. The developed method for detecting water leaks by monitoring the pressure gradient eliminates this drawback. A method of equivalent points was proposed, which allows the number of necessary measurements to be significantly reduced. Formulas were obtained for estimating the multiplicity of reducing the number of necessary measurements in the proposed method. It was determined that, upon an excessive increase in the number of leak points, the specified multiplicity decreases to zero. However, this indicates a completely obsolete water supply system, which requires replacement
Published Version
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