Correlating equations for free convection heat transfer from horizontal isothermal cylinders set in a vertical array

Corcione, Massimo

doi:10.1016/j.ijheatmasstransfer.2005.01.010

Cited by 103 publications

(52 citation statements)

References 23 publications

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“…In order to check the accuracy of the experiment and method of data reduction, first the single cylinder was tested in an infinite medium, and the results compared with previous works [14][15][16]. The experimental results for local and average Nusselt numbers at Ra = 10 4 are in excellent agreement with previous works showing a maximum difference of 5.5% and 1.1%, respectively.…”

Section: Data Reductionsupporting

confidence: 67%

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An experimental investigation on the effect of a perforated fin on free convection heat transfer from a confined horizontal cylinder

Rezaei

Ziabasharhagh

2013

Heat Trans. Asian Res.

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Natural convection heat transfer from an isothermal horizontal fin attached to a cylinder, confined between two adiabatic walls of constant height is investigated by the Mach-Zehnder interferometry technique. This study is focused on the effect of a perforated fin attached to the bottom of a cylinder while the vertical position of the cylinder (Y) changes between two walls with a constant distance of W measuring 1.5 times the cylinder diameter. The cylinder's average Nusselt numbers are determined for three ratios of vertical position to its diameter, Y/D = 0.5, 1.5, 2, and 3. The Rayleigh number ranges from 4.5 × 10 3 to 1.2 × 10 4 . The distance between the walls is chosen to be 1.5 D, that is, an optimum distance at which the Nusselt number is maximum. The effect of the perforated fin on free convection heat transfer is investigated and compared with other works. Results show outstanding enhancement in heat transfer, with a minimum result of 40% and maximum of 90%.

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Section: Data Reductionsupporting

confidence: 67%

“…The results of Wang et al [14], Saitoh et al [15], and Corcione [16] are also presented for comparison.…”

Section: Data Reductionmentioning

confidence: 99%

An experimental investigation on the effect of a perforated fin on free convection heat transfer from a confined horizontal cylinder

Rezaei

Ziabasharhagh

2013

Heat Trans. Asian Res.

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“…In order to validate the experiments and data reduction method, the results of the present work for a single vertical array of five horizontal cylinders without flow diverters are compared to those obtained numerically by Corcione [8], as well as the experimental data reported by Ashjaee and Yousefi [9]. Fig.…”

Section: Data Reduction Proceduresmentioning

confidence: 93%

“…In addition, most of the papers in this field are substantially oriented toward the study of the thermal performance of the basic configuration, represented by the single vertical array of horizontal cylinders [1][2][3][4][5][6][7][8]. A detailed review of these studies is reported in a recent paper by Ashjaee and Yousefi [9], who performed experiments on laminar free convection heat transfer from five horizontal isothermal cylinders of 10 mm diameter arranged in vertical and inclined arrays.…”

Section: Introductionmentioning

confidence: 99%

Effect of flow diverters on free convection heat transfer from a pair of vertical arrays of isothermal cylinders

Rezvantalab

Ghazian

Yousefi

et al. 2011

Experimental Thermal and Fluid Science

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“…Due to the significance and frequent occurrence in nature of free convection flow, this form of heat transfer has long been the subject of numerous studies (Takhar 1968;Merkin 1969;Sparrow, Husar, and Goldestein 1969;Corcione 2005;Molla, Hossein, and Paul 2006).…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Free Convection and Heat Generation on a Horizontal Isothermal Circular Cylinder

Sedighi¹,

Aghighi²

2015

MAS

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The linear boundary layer of the free flow around a circular horizontal cylinder with uniform surface temperature in the presence of heat generation was studied. Upon obtaining the non-dimensional boundary layer equations, the Runge-Kutta series method was used to solve the non-linear partial differential equations numerically. The surface shear stress results and surface heat rate were subsequently obtained in terms of the internal shell friction and the local Nusselt number respectively. The following heat generation parameters (C) were selected: 0.0, 0.2, 0.5, 0.8, and 1.0. The following results were obtained: 1) increasing C led to a corresponding increase u, v , VM , and θ , 2) Increasing i led to a corresponding increase in u, v , and VM, and 3) increasing C increased velocity variations and, naturally, the value of Cf, and 4) increasing i from i=0 to i=100 led to a decrease in the Nusselt number (Nu).

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Correlating equations for free convection heat transfer from horizontal isothermal cylinders set in a vertical array

Cited by 103 publications

References 23 publications

An experimental investigation on the effect of a perforated fin on free convection heat transfer from a confined horizontal cylinder

An experimental investigation on the effect of a perforated fin on free convection heat transfer from a confined horizontal cylinder

Effect of flow diverters on free convection heat transfer from a pair of vertical arrays of isothermal cylinders

Simultaneous Free Convection and Heat Generation on a Horizontal Isothermal Circular Cylinder

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