Coupled Conduction, Convection, Radiation Heat Transfer with Simultaneous Mass Transfer in Ice Rinks

Bellache, Omar; Ouzzane, Mohamed; Galanis, Nicolas

doi:10.1080/10407780590945588

Cited by 27 publications

(13 citation statements)

References 7 publications

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“…Thus, airflow above the ice is essentially driven by natural convection while in the volume above the stands forced convection predominates as illustrated by the 2D results (Bellache et al 2005. Therefore the nodes above the ice are concentrated near the solid surfaces where the gradients of velocity and temperature are high.…”

Section: Numerical Solutionmentioning

confidence: 89%

“…The chosen ice rink presents the particularity that the spectator area is heated by eight radiant heaters while in the configurations studied by Bellache et al (2005Bellache et al ( , 2006 heating of the stands was provided by the ventilation air. A computational fluid dynamics program with the standard k-ε model (Launder and Spalding 1974) is used to predict the indoor airflow and heat transfer.…”

Section: Introductionmentioning

confidence: 99%

“…However, these studies did not calculate heating and refrigeration loads. More recently Bellache et al (2005) have carried out numerical simulations in 2D and steady state conditions using a CFD code which predicts velocity, temperature, and absolute humidity distributions in an indoor ice rink with heating provided by the ventilation air. Their CFD code also calculates the heat fluxes toward the ice due to convection from the air, condensation of vapour, and radiation from the walls and ceiling.…”

Section: Introductionmentioning

confidence: 99%

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Prediction of 3D airflow and temperature field in an indoor ice rink with radiant heat sources

Omri

Galanis

2010

Build. Simul.

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Three dimensional mixed convection in an ice rink heated by radiant heaters was simulated numerically using the standard k-ε model with wall functions. This large building was first modelled under steady state conditions by considering or not surface-to-surface radiation between the internal surfaces and with the radiant heaters ON or OFF. After those four basic scenarios the transient behaviour was modelled by considering that the radiant heaters are thermostatically controlled. Results indicate the usefulness of the computational fluid dynamic (CFD) technique as a powerful tool which provides a detailed description of the flow and temperature fields as well as the heat fluxes into the ice. The most important results are: -The agreement between calculated values and some measured values is fairly good.-The velocity and temperature distributions are definitely three-dimensional.-In a large part of the ice rink the air is essentially stagnant and significant air velocities can only be found above the spectator stands and near the ceiling above the ice; analogously, significant turbulent kinetic energy is found only in these same regions. -The radiant heat flux into the ice is significantly higher than the convective one.-When the radiant heaters are turned ON the temperatures of the inside surfaces of the building envelope and of the air increase; as a result, the heat flux reaching the ice increases significantly.

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Section: Numerical Solutionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Prediction of 3D airflow and temperature field in an indoor ice rink with radiant heat sources

Omri

Galanis

2010

Build. Simul.

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“…For very high heat generation rates, however, maximum surface temperatures initially increased followed by a decrease at higher mass flow rates. Bellache et al [4] numerically studied two-dimensional turbulent ventilation patterns and thermal processes in an ice rink. The standard k-ε model was used to model the turbulence quantities.…”

Section: Introductionmentioning

confidence: 99%

Effective cooling of stacked heat-generating bodies in a large room: Comparison between floor and side-wall air injection

Berg¹,

Soliman²,

Ormiston³

2008

International Journal of Thermal Sciences

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“…The initial overheating with increasing mass flow rate was attributed to the complex flow field created by the interaction of the competing forced and free convection effects at very high heat generation rates. Bellache et al [4] numerically studied twodimensional turbulent ventilation patterns and thermal processes in an ice rink. The standard k-E model was used to model the turbulence quantities.…”

Section: Introductionmentioning

confidence: 99%

Turbulent Mixed-Convection Cooling of Stacked Heat-Generating Bodies in a Three-Dimensional Domain

Berg

Soliman

Ormiston

2007

Numerical Heat Transfer, Part A: Applications

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A numerical study has been conducted to investigate turbulent mixed-convection air cooling of vertical stacks of heat-generating blocks in a three-dimensional domain simulating a valve hall in a DC=AC converter station. The simulation results include detailed streamline plots of the flow structure, iso-volume plots of the temperature, the magnitude of the net flow in all tower gaps and the maximum temperature in each gap. A parametric study was conducted to explore the effects of geometry and inlet parameters on the cooling effectiveness. These results demonstrate that significant enhancements in the cooling effectiveness can be achieved by simple modifications of the angle of injection of the inlet air jet, the area of the inlet air jet, or the inlet air mass flow rate.

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Coupled Conduction, Convection, Radiation Heat Transfer with Simultaneous Mass Transfer in Ice Rinks

Cited by 27 publications

References 7 publications

Prediction of 3D airflow and temperature field in an indoor ice rink with radiant heat sources

Prediction of 3D airflow and temperature field in an indoor ice rink with radiant heat sources

Effective cooling of stacked heat-generating bodies in a large room: Comparison between floor and side-wall air injection

Turbulent Mixed-Convection Cooling of Stacked Heat-Generating Bodies in a Three-Dimensional Domain

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