Methodology for Dynamic Simulation Modeling of District Heating Systems
DOI:
https://doi.org/10.25729/esr.2026.02.0001Keywords:
Probabilistic models, disturbances, control actions, problem decomposition, simulation modeling, quasi-dynamics, mathematical model, modeling methodology, thermo-hydraulic conditionsAbstract
The present study aims to develop and enhance the theoretical and methodological foundations for the dynamic thermo-hydraulic simulation modeling of hierarchical heating systems. The proposed approach accommodates deterministic control laws, transit times, and continuous stochastic disturbances, enabling comprehensive analysis, control, and optimization of operating conditions. Contributing both the methodology and the technology of thermo-hydraulic simulation modeling, this study describes the simulation procedure, the mathematical dynamic model, and the computational decomposition principle. The introduced model allows researchers to set time-varying disturbances of any system parameter for any purposes according to specified laws, and assess the operational quality of the system across various scenarios over the simulation period using integrated consumer satisfaction indices. Another key assessment criterion, overall performance, is addressed through a proposed approach for determining the energy utilization factor. The developed simulation methodology provides a higher-fidelity assessment
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