<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The problem of determining the effective (optimal) heat supply radius is considered. Heat supply radius is transportation distance of heat energy in the district heating systems (DHS), under which the highest indices of economic efficiency of district heating to consumers are respected. To solve this difficult and multifactorial problem, a bi-level approach has been proposed. This approach allows finding the optimal frameworks of territorial areas of district heating while fulfilling the necessary requirements for thermal-hydraulic modes in heat networks and for reliability of heating to consumers. Methodology for solving the formulated problem is based on bi-level programming methods, models of Theory of hydraulic circuits, nonlinear optimization methods, nodal reliability indices (availability factor, failure-free operation probability), Markov random processes models and other methods and models. A case study has been conducted using the developed methodological apparatus for the actual DHS scheme of the Irkutsk city (Russia, Siberia).</p></abstract>

The problem of determining the effective (optimal) heat supply radius is considered. Heat supply radius is transportation distance of heat energy in the district heating systems (DHS), under which the highest indices of economic efficiency of district heating to consumers are respected. To solve this difficult and multifactorial problem, a bi-level approach has been proposed. This approach allows finding the optimal frameworks of territorial areas of district heating while fulfilling the necessary requirements for thermal-hydraulic modes in heat networks and for reliability of heating to consumers. Methodology for solving the formulated problem is based on bi-level programming methods, models of Theory of hydraulic circuits, nonlinear optimization methods, nodal reliability indices (availability factor, failure-free operation probability), Markov random processes models and other methods and models. A case study has been conducted using the developed methodological apparatus for the actual DHS scheme of the Irkutsk city (Russia, Siberia).

Optimization of the Effective Heat Supply Radius for the District Heating Systems

Melentiev Energy Systems Institute of Siberian Branch of the Russian Academy of Science (ESI SB RAS)

Environmental and Climate Technologies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The problem of determining the effective (optimal) heat supply radius is considered. Heat supply radius is transportation distance of heat energy in the...

Optimization of the Effective Heat Supply Radius for the District Heating Systems

Published Online: Nov 18, 2019

Page range: 207 - 221

DOI: https://doi.org/10.2478/rtuect-2019-0064

Keywords
Connection charge, district heating system, effective heat supply radius, energy management, nodal reliability indices, optimization, reliability of heat supply, specific cost

© 2019 Valery Stennikov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Optimization of the Effective Heat Supply Radius for the District Heating Systems

Published Online: Nov 18, 2019

Page range: 207 - 221

DOI: https://doi.org/10.2478/rtuect-2019-0064

KeywordsConnection charge, district heating system, effective heat supply radius, energy management, nodal reliability indices, optimization, reliability of heat supply, specific cost

© 2019 Valery Stennikov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Connection charge, district heating system, effective heat supply radius, energy management, nodal reliability indices, optimization, reliability of heat supply, specific cost