Numerical modeling of transient heat transfer in heat storage unit with channel structure

• Published in: Applied thermal engineering Vol. 149; pp. 841 - 853
• Main Authors: Taler, Dawid, Dzierwa, Piotr, Trojan, Marcin, Sacharczuk, Jacek, Kaczmarski, Karol, Taler, Jan
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 25.02.2019; Elsevier BV
• Subjects: Accumulators; Aerodynamics; Air flow; Air temperature; Building heating; CFD and experimental study; Channels; Computational fluid dynamics; Computer simulation; Finite element method; Finite volume method; Heat storage; Heat storage unit; Heat transfer; Insulation; Mathematical models; Numerical analysis; Numerical model of heat storage unit; Solar energy; Temperature distribution; Thermal energy storage; Transient heat transfer; Building heating; Numerical model of heat storage unit; Thermal energy storage; Heat storage unit; CFD and experimental study

•A new method for modeling a heat transfer in the heat storage unit was developed.•An improvement of the finite volume method was proposed to increase its accuracy.•A dynamic simulation of the heat storage unit was carried out.•The numerical model was compared with the CFD model and experiment. The...