Analysis of nodalization effects on the prediction error of generalized finite element method used for dynamic modeling of hot water storage tank

• Autorzy: Wołowicz M. , Kupecki J. , Wawryniuk K. , Milewski J. , Motyliński K.

Identyfikatory

DOI

10.1515/aoter-2015-0025

• Języki publikacji: EN

Abstrakty

EN

The paper presents dynamic model of hot water storage tank. The literature review has been made. Analysis of effects of nodalization on the prediction error of generalized finite element method (GFEM) is provided. The model takes into account eleven various parameters, such as: flue gases volumetric flow rate to the spiral, inlet water temperature, outlet water flow rate, etc. Boiler is also described by sizing parameters, nozzle parameters and heat loss including ambient temperature. The model has been validated on existing data. Adequate laboratory experiments were provided. The comparison between 1-, 5-, 10- and 50-zone boiler is presented. Comparison between experiment and simulations for different zone numbers of the boiler model is presented on the plots. The reason of differences between experiment and simulation is explained.

Słowa kluczowe

EN

dynamic modeling; hot water storage tank

PL

modelowanie dynamiczne; zasobnik gorącej wody sieciowej

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2015
• Tom: Vol. 36, no. 3
• Strony: 123--138
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Wołowicz M.

• Institute of Heat Engineering, Warsaw University of Technology, Nowowiejska 21/25, 00-665 Warsaw, Poland

autor

Kupecki J.

• Thermal Processes Department, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland

autor

Wawryniuk K.

• Thermal Processes Department, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland

autor

Milewski J.

• Institute of Heat Engineering, Warsaw University of Technology, Nowowiejska 21/25, 00-665 Warsaw, Poland

autor

Motyliński K.

• Thermal Processes Department, Institute of Power Engineering, Augustówka 36, 02-981 Warsaw, Poland

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