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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-db4d8796-8855-45cb-b4cf-f03a23ba28f3

Czasopismo

Journal of Power of Technologies

Tytuł artykułu

Selecting optimal pipeline diameters for a district heating network comprising branches and rings, using graph theory and cost minimization

Autorzy Murat, J.  Smyk, A.  Laskowski, R. 
Treść / Zawartość http://www.papers.itc.pw.edu.pl
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Choosing the right pipeline diameter is essential for both newly designed district heating (DH) networks and existing ones undergoing upgrades. A multi-stage optimization algorithm was developed for the purpose of selecting optimal diameters of pipelines in a DH network that has a complex layout including branches and rings. The DH network was represented as a set of graphs and then as matrices, which made hydraulic and heat-and-flow calculations possible for any network layout. The optimization algorithm was developed as a Visual Basic program consisting of 37 macros. The program considers hydraulic resistances, heat-balance equations, capital expenditure for DH pipelines of 32 to 1,100 mm in diameter, and the operating cost, including the costs of heat transmission losses and DH water pumping. Microsoft Excel’s Solver tool was used to solve the non-linear optimization algorithm with constraints. To provide an example of the program’s application, the paper includes calculations used to verify the correctness of selected diameters for part of an existing DH network in a large DH system in Poland.
Słowa kluczowe
PL sieci ciepłownicze   koszty ogrzewania   średnica rury   teoria grafów  
EN district heating networks   heat cost   optimum pipe diameter   graph theory  
Wydawca Institute of Heat Engineering, Warsaw University of Technology
Czasopismo Journal of Power of Technologies
Rocznik 2018
Tom Vol. 98, nr 1
Strony 30--44
Opis fizyczny Bibliogr. 55 poz., rys., tab., wykr.
Twórcy
autor Murat, J.
  • Institute of Heat Engineering, Warsaw University of Technology, Nowowiejska 21/25, 00-665, Poland
autor Smyk, A.
  • Institute of Heat Engineering, Warsaw University of Technology, Nowowiejska 21/25, 00-665, Poland
autor Laskowski, R.
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Uwagi
PL Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
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