The effect of edge conditions on natural convection from a horizontal plate

Restrepo, Francisco; Glicksman, Leon R.

doi:10.1016/0017-9310(74)90046-5

Cited by 28 publications

(10 citation statements)

References 8 publications

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“…This equation correlates these data points with a very low coefficient of 0.788. 4 [5,20], were correlated, with a coefficient of 0.851, to result the equation: The dependency of the thickness of the thermal boundary layer upon Rayleigh number has been reported by various researchers [4,5,20,22,25]. This characteristic length, as mentioned before, is defined as the ratio of the surface area to the perimeter of it and receives a widespread acceptance in the field.…”

Section: Analysis Results and Discussionmentioning

confidence: 90%

“…The experimental data presented by different authors were compiled [1,5,8,9,16,19,20]. The experimental data presented by different authors were compiled [1,5,8,9,16,19,20].…”

Section: Analysis Results and Discussionmentioning

confidence: 99%

“…Some of them consider the shorter side of the plate as the characteristic length [8,19], while the others take it as one-half of the longer side [1,9,20] or one-half of the shorter side [5]. Some of them consider the shorter side of the plate as the characteristic length [8,19], while the others take it as one-half of the longer side [1,9,20] or one-half of the shorter side [5].…”

Section: Introductionmentioning

confidence: 99%

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The characteristic length on natural convection from a horizontal heated plate facing downwards

Kozanoglu

Rubio

2014

THERM SCI

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Natural convection from a downward facing horizontal heated plate was analyzed. An expression for the thickness of the thermal boundary layer was obtained in terms of Rayleigh number. Assuming this thickness as the characteristic length of the problem, the data published by other authors were modified and an equation for Nusselt number is presented. It was observed that this equation correlates the data more precisely than the commonly known equations in the literature that employ the ratio of the area to the perimeter or the shorter side of the plate as the characteristic length. It is concluded that taking the thermal boundary layer as the characteristic length of phenomenon is a proper approach and correlates all the data closely.

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Section: Analysis Results and Discussionmentioning

confidence: 90%

“…The experimental data presented by different authors were compiled [1,5,8,9,16,19,20]. The experimental data presented by different authors were compiled [1,5,8,9,16,19,20].…”

Section: Analysis Results and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The characteristic length on natural convection from a horizontal heated plate facing downwards

Kozanoglu

Rubio

2014

THERM SCI

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“…Many investigators studied the problem of natural convection from horizontal flat plates experimentally [5][6][7][8][9][10][11][12][13][14][15][16][17]. Fuji and Imura [5] studied natural convection from flat plates of arbitrary inclination experimentally.…”

Section: Introductionmentioning

confidence: 99%

Two-Dimensional Free Convection Heat Transfer Below a Horizontal Hot Isothermal Flat Strip

Samie

Nouri

Salari

et al. 2015

Journal of Heat Transfer

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Convection heat transfer below a horizontal, hot, and isothermal strip of infinite length and width of 2L embedded in fluids with different Prandtl number (Pr) and Nusselt number (Nu) is analyzed with the aid of integral method. A new concept is utilized to determine the boundary layer thickness at the strip's edge, which is based on matching the flow rate of the boundary layer below the strip at its edge and the flow rate of the plume, which forms after the heated fluid detaches from the strip's edge. In addition to these novelties, a numerical model is developed to verify the analytical framework, and an excellent agreement is observed between the analytical and numerical models.

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“…NC and FC (b) for stably stratified horizontal surface and floor surfaces in a buoyant thermal situation. Based on the data of[61],[57],[62] and[63].Valid for T surf > T air and 10 4 ≤ Ra ≤ 10 12 Karadag [20] ℎ = 3.1 . ሺ∆ܶሻ .ଶଶ NC.…”

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confidence: 99%

Variability and impact of internal surfaces convective heat transfer coefficients in the thermal evaluation of office buildings

Obyn

Moeseke

2015

Applied Thermal Engineering

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The effect of edge conditions on natural convection from a horizontal plate

Cited by 28 publications

References 8 publications

The characteristic length on natural convection from a horizontal heated plate facing downwards

The characteristic length on natural convection from a horizontal heated plate facing downwards

Two-Dimensional Free Convection Heat Transfer Below a Horizontal Hot Isothermal Flat Strip

Variability and impact of internal surfaces convective heat transfer coefficients in the thermal evaluation of office buildings

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