Abstract
The tasks of analyzing, developing and justifying of the district heating systems (DHS) operation modes arise at different stages of their life cycle. The article provides a brief description of the tasks, steps and methods for calculating and analyzing DHS modes, which are implementing as subtasks of the "ANGARA-HN" software. Special attention is paying to the automation of analysis processes. The developed computational and graphical software tools for parameters analyzing of the DHS operating modes consists of the means: analyzing of the initial information, calculating the values of the mode parameters and analyzing results of the calculation. Various tools allow you to visualize the distribution of selected parameters values on the graphical city plan, highlight bottlenecks, building pressure distribution graphs. The developed software designed to automate the workplaces of regimes group engineers at operational enterprises or for designer workers, when developing and justifying development schemes for urban DHS. Tools for analysis and graphical visualization significantly increase the efficiency of work by reducing the time of analysis, development and justification of operating conditions, as well as improve the quality of the results.
Highlights
Modern district heating systems (DHS) of large cities and settlements play an important socio-economic role in providing thermal energy and hot water to the civil customers, industry, public and social facilities
The effectiveness, reliability and quality of their operation is directly dependent on the competent organization of the operation modes of DHS
No less difficult is the stage of analysis of the obtained calculation results, especially for large DHS, when the number of mode parameters for the network elements amounts to many hundreds of thousands, and each of them should be checking for allowable by several indicators
Summary
Modern DHS of large cities and settlements play an important socio-economic role in providing thermal energy and hot water to the civil customers, industry, public and social facilities. During designing and making of development plans for the DHS [1,2,3], calculations are performed in order to: 1) analyze the capacity of the existing system for prospective loads; 2) verification of the admissibility of the work of the center in non-design modes; 3) analysis and justification of the reliability of the supply of consumers after the implementation of the design options of DHS. Special attention is paying to automating the analysis processes: information, calculation results, and the actual operation modes of DHS. These issues are not sufficiently developed in the existing applied software and computing complexes, but they are crucial for the efficiency, reliability and operatively of the analysis and decision-making processes when organizing modes
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