Virtual prototyping of storage tanks by means of three-dimensional CFD and heat transfer numerical simulations

Cònsul, R.; Rodríguez, I.; Segarra, Carlos David Pérez; Sòria, M.

doi:10.1016/j.solener.2004.04.009

Cited by 53 publications

(21 citation statements)

References 20 publications

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“…In cylindrical coordinates, for incompressible laminar flow of a Newtonian fluid, and using the Boussinesq approach, according [2], the problem is described by the following system of equations:…”

Section: Mathematical Modelmentioning

confidence: 99%

Numerical Simulation of Water Circulation in a Cylindrical Horizontal Thermal Tank

Savicki

Vielmo

2009

2009 3rd Southern Conference on Computational Modeling

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It is carried out a numerical study of the threedimensional temperature and velocity fields in a cylindrical horizontal thermal tank during the process of water circulation. The numerical simulations were made using an academic Finite Volumes numerical code. This simulation considers that the thermal tank is connected to solar collectors. So, in the tank, the inlet jet temperature is higher than those inside the tank. This study aims to investigate the influence of the inlet jet on thermal stratification. The results show that for the mass flow rate studied, there is no significant variation on thermal stratification

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Section: Mathematical Modelmentioning

confidence: 99%

Numerical Simulation of Water Circulation in a Cylindrical Horizontal Thermal Tank

Savicki

Vielmo

2009

2009 3rd Southern Conference on Computational Modeling

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“…Different papers in the literature report that an energy analysis were not sufficient to compare different temperature distributions [1,8,[11][12][13][14][15]]. An energy analysis cannot distinguish between tanks with different levels of temperature if these tanks have equivalent energy quantities.…”

Section: Energy and Exergy Analysesmentioning

confidence: 99%

“…Their results showed how entropy changes and exergy change in the storage during draw-off, influenced by the Richardson number, the volume draw-off and the initial tank conditions. Co´nsul et al [8] did an exergy-based analysis of the unloading process of a thermal storage tank. They discussed the usefulness of the exergy-based parameter in the analysis of the behaviour of the tanks.…”

Section: Introductionmentioning

confidence: 99%

Energetic and exergetic analysis of a domestic water tank with phase change material

Solé

Medrano

Castell

et al. 2008

Int. J. Energy Res.

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Although water is a cheap and effective medium for thermal energy storage, other options are currently being studied, to increase the storage density or to reduce the cost of the storage. The authors have been developing a system which combines the advantages of stratified sensible heat storage and latent, phase change heat storage; i.e. a hot water storage tank with stratification where a phase change material (PCM) is included into a spiral tube installed in the top of the tank. The PCM used was a granular PCM-graphite compound of about 90 vol:% of sodium acetate trihydrate and 10 vol:% graphite. This paper presents the results of an experimental investigation of the performance of the new storage concept, and of a conventional hot water storage tank for comparison. The data are further analysed with respect to the energetic and exergetic performance of the two systems.

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“…A single liquid or solid media TES system could be easier to design and control, while integration of solid and liquid sensible TES systems is more complex as they involve an additional HTF to deliver the energy into solid storage media and recover energy from the solid. Several studies have been performed both numerically and experimentally on use of water/rock packed bed TES system . However, water has a low boiling point.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of a new thermal energy storage system using thermo-sensitive magnetic fluid and porous medium

Jin

Zhang

2019

Int J Energy Res

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Summary In this paper, a novel thermal energy storage (TES) system based on a thermo‐sensitive magnetic fluid (MF) in a porous medium is proposed to store low‐temperature thermal energy. In order to have a better understanding about the fluid flow and heat‐transfer mechanism in the TES system, four different configurations, using ferrofluid as the basic fluid and either copper foam or porous carbon with different porosity (90 and 100 PPI, respectively) as the packed bed, are investigated experimentally. Furthermore, two thermal performance parameters are evaluated during the heat charging cycle, which are thermal storage velocity and thermal storage capacity of the materials under a range of magnetic field strength. It is shown that heat conduction is the primary heat‐transfer mechanism in copper foam TES system, while magnetic thermal convection of the magnetic fluid is the dominating heat‐transfer mechanism in the porous carbon TES. In practical applications in small‐scale systems, the 90‐PPI copper foam should be selected among the four porous materials because of its cost efficiency, while porous carbon should be used in industrial scale systems because of its sensitivity to magnetic field and cost efficiency.

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Virtual prototyping of storage tanks by means of three-dimensional CFD and heat transfer numerical simulations

Cited by 53 publications

References 20 publications

Numerical Simulation of Water Circulation in a Cylindrical Horizontal Thermal Tank

Numerical Simulation of Water Circulation in a Cylindrical Horizontal Thermal Tank

Energetic and exergetic analysis of a domestic water tank with phase change material

Experimental investigation of a new thermal energy storage system using thermo-sensitive magnetic fluid and porous medium

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