The article considers the process of internal icing of above-ground water pipelines at the locations of support structures. A brief literature review on the research topic is presented. The results of modeling the pipeline freezing process at the support installation site using the Matlab 2025 software package are provided. The numerical simulation is implemented based on the finite difference method. The paper includes the support calculation for a 219 × 6 mm pipeline with polyurethane foam insulation. A visual comparative analysis between a standard insulated pipe section and a local zone of intensified heat losses is carried out. The simulation results demonstrate that the pipeline cross-section freezing at the support structure location occurs significantly faster compared to a standard insulated pipeline section.
water supply in northern regions, pipeline supports, internal icing, local heat losses, Matlab 2025, finite difference method
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