Different models for determination of thermal stratification in a solar storage tank

P. Géczy-Víg, I. Farkas

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this work two different models are shown for describing the thermal stratification in the solar storage tank of the solar water heating system. The first model was developed on the basis of the measured physical parameters of the system with the TRANSYS software, and the other one is an artificial neural network (ANN) model. The ANN model calculates the temperature of 8 layers in every hour from the average hourly data of the solar radiation, the water consumption, the ambient temperature, the mass flow rate of the collector fluid and the previous temperature of the layers. During the modeling predicted consumption data and measured meteorological and layer temperatures data were used. The describer ANN model uses two layers with 8 tansig and 8 linear neurons. The average deviation in case of TRNSYS model was 1.9 °C and in case of ANN model was 0.53 °C during the training and 0.76 °C during the validation.

Original languageEnglish
Title of host publicationISES Solar World Congress 2007, ISES 2007
Pages2746-2750
Number of pages5
Volume4
Publication statusPublished - 2007
EventInternational Solar Energy Society Solar World Congress 2007, ISES 2007 - Beijing, China
Duration: Sep 18 2007Sep 21 2007

Other

OtherInternational Solar Energy Society Solar World Congress 2007, ISES 2007
CountryChina
CityBeijing
Period9/18/079/21/07

Fingerprint

Thermal stratification
Neural networks
Temperature
Solar radiation
Neurons
Water
Flow rate
Heating
Fluids

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

Cite this

Géczy-Víg, P., & Farkas, I. (2007). Different models for determination of thermal stratification in a solar storage tank. In ISES Solar World Congress 2007, ISES 2007 (Vol. 4, pp. 2746-2750)

Different models for determination of thermal stratification in a solar storage tank. / Géczy-Víg, P.; Farkas, I.

ISES Solar World Congress 2007, ISES 2007. Vol. 4 2007. p. 2746-2750.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Géczy-Víg, P & Farkas, I 2007, Different models for determination of thermal stratification in a solar storage tank. in ISES Solar World Congress 2007, ISES 2007. vol. 4, pp. 2746-2750, International Solar Energy Society Solar World Congress 2007, ISES 2007, Beijing, China, 9/18/07.
Géczy-Víg P, Farkas I. Different models for determination of thermal stratification in a solar storage tank. In ISES Solar World Congress 2007, ISES 2007. Vol. 4. 2007. p. 2746-2750
Géczy-Víg, P. ; Farkas, I. / Different models for determination of thermal stratification in a solar storage tank. ISES Solar World Congress 2007, ISES 2007. Vol. 4 2007. pp. 2746-2750
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