Calculation of horizontal collective drainage pipelines of reclamation systems in the presence of a ground water level slope
Journal Title: Gіrnichі, budіvelnі, dorozhnі ta melіorativnі mashini - Year 2023, Vol 1, Issue 102
Abstract
The purpose of this work is to develop a method-ology for calculating the parameters of pressure horizontal collective drainage pipelines of recla-mation systems that operate in the presence of a ground water level slope. The presented materials are based on the re-sults of personal analytical studies of the main mathematical dependencies, which describe the pressure liquid flow in horizontal collective perfo-rated pipelines, which operate in the presence of the ground water level slope. System of two differential equations, which describe the liquid motion in a drainage pipeline with variable flow rate and the conditions of liq-uid entry from the surrounding soil through the walls of the pipe in filtration mode, is considered. The explored pipeline is laid in the presence of the ground water level slope. By introducing new variables, the original system and its solution is presented in a dimensionless form. In this case the solution of the system depends on the value of three main factors: the resistance factor of the collecting drainage pipeline "ζl"; the generalized parameter "A", which comprehensive-ly takes into account the structural and filtering characteristics of the stream; the ground water level slope «І». The analysis used the concept of an infinitely long drainage pipeline, which oper-ates in the presence of the ground water level slope, or, what is the same, an inclined pipeline with an infinite filtering capacity of the side sur-face walls. Relatively simple and easy-to-use ana-lytical dependencies were obtained on the basis of the conducted analysis. They allow to calculate the nature of the flow rate variations and pressure drop along the length. Corresponding graphic dependencies were con-structed to simplify the calculations. It is shown that the value of the geometric slope of the ground water level, along with the resistance fac-tor and the generalized parameter, significantly affects the calculated parameters of such pipelines.
Authors and Affiliations
Andriy Kravchuk, Oleksandr Kravchuk, Veronika Barladina, Vladislav Perebyinis
Keywords
Related Articles
- EP ID EP745295
- DOI https://doi.org/10.32347/gbdmm.2023.102.0501
- Views 1
- Downloads 0
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