POROUS MATRIX PROPERTIES EFFECT ON THE INTERNAL HEAT GENERATION IN A SQUARE CAVITY SATURATED WITH CU-WATER NANOFLUID

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ZEHFOROOSH AYDIN; HOSSEINPOUR SIAMAK

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:16 Page(s): 34-44

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Title

POROUS MATRIX PROPERTIES EFFECT ON THE INTERNAL HEAT GENERATION IN A SQUARE CAVITY SATURATED WITH CU-WATER NANOFLUID

Author(s)

ZEHFOROOSH AYDIN | HOSSEINPOUR SIAMAK | Issue Writer Certificate

Keywords

NATURAL CONVECTIONQ2

POROUS MEDIAQ2

NANOFLUIDQ1

INTERNAL HEAT GENERATIONQ2

Abstract

In this paper, NATURAL CONVECTION of Cu-Water NANOFLUID inside an enclosure which is partially filled with POROUS MEDIA, with INTERNAL HEAT GENERATION has been studied numerically. Cu-water NANOFLUID was used where Maxwell and Brinkmen models determine its properties. Due to the low velocity of NANOFLUID, Darcy-Brinkman equation used for the modeling of POROUS MEDIA. In order to gain the maximum energy from the temperature dependent heat source, different parameters such as Rayleigh number, volume fraction of nanoparticles, porosity of porous matrix and heat conduction ratio has been investigated. The results show that increasing the volume fraction of NANOFLUID increases Nusselt number at all porosities and Nusselt will further increases at lower porosities. Changes of thermal conductivity ratio were effective only at low porosities and causes to fast conduction of generated heat and two-fold increase in Nusselt number. Moreover the porosity changes at different thermal conductivity ratio Cause to minimum Nusselt at the porosity of 0.4 to 0.6. Increasing Rayleigh number will lead to NANOFLUID penetration increase into the porous matrix and with further matrix cooling more increase in Nusselt number in all porosity ranges will be achieved.

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APA: Copy

ZEHFOROOSH, AYDIN, & HOSSEINPOUR, SIAMAK. (2015). POROUS MATRIX PROPERTIES EFFECT ON THE INTERNAL HEAT GENERATION IN A SQUARE CAVITY SATURATED WITH CU-WATER NANOFLUID. MODARES MECHANICAL ENGINEERING, 14(16), 34-44. SID. https://sid.ir/paper/177873/en

Vancouver: Copy

ZEHFOROOSH AYDIN, HOSSEINPOUR SIAMAK. POROUS MATRIX PROPERTIES EFFECT ON THE INTERNAL HEAT GENERATION IN A SQUARE CAVITY SATURATED WITH CU-WATER NANOFLUID. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(16):34-44. Available from: https://sid.ir/paper/177873/en

IEEE: Copy

AYDIN ZEHFOROOSH, and SIAMAK HOSSEINPOUR, “POROUS MATRIX PROPERTIES EFFECT ON THE INTERNAL HEAT GENERATION IN A SQUARE CAVITY SATURATED WITH CU-WATER NANOFLUID,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 16, pp. 34–44, 2015, [Online]. Available: https://sid.ir/paper/177873/en

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