EXPERIMENTAL ANALYSIS OF POOL BOILING HEAT TRANSFER OF FERROFLUID ON SURFACES DEPOSITED WITH NANOFLUID

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ABDOLLAHI ALI; SALIMPOUR MOHAMMAD REZA; ETESAMI NASRIN

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:2 Page(s): 19-30

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Information Journal Paper

Title

EXPERIMENTAL ANALYSIS OF POOL BOILING HEAT TRANSFER OF FERROFLUID ON SURFACES DEPOSITED WITH NANOFLUID

Author(s)

ABDOLLAHI ALI | SALIMPOUR MOHAMMAD REZA | ETESAMI NASRIN | Issue Writer Certificate

Keywords

POOL BOILINGQ1

FERROFLUIDQ2

SURFACE ROUGHNESSQ1

NANOPARTICLES DEPOSITIONQ1

Abstract

Boiling heat transfer is one of the most applicable heat transfer processes within the industry. In this paper, the POOL BOILING heat transfer of Fe3O4 /water nanofluid (ferrofluid) in atmospheric pressure has been analyzed experimentally. The nanofluid in this study has been synthesized in a single step and retains high stability. The replication and accuracy of the testing machine has been studied for deionized water three times, indicating an appropriate concordance with the literature. Considering different volume concentrations of the nanofluid has revealed that boiling heat transfer in high concentrations decreases with an increase of concentration, while it rises with the increase of concentration in low concentrations. Hence, boiling heat transfer coefficient in 0.1% volume concentration nanofluid has been measured to be the optimum value which increases up to 43%. The roughness of boiling surface was varied with the deposition of nanoparticles in various conditions of nanofluid concentration, and heat flux. It is noteworthy that in the present research, the effects of SURFACE ROUGHNESS change due to nano particles deposition and the impact of passing time on boiling process have been investigated for the first time. Therefore, several experiments have been designed in order to study the change of NANOPARTICLES DEPOSITION due to the change of nanofluid concentration and boiling surface heat flux. The results indicate that boiling heat transfer of deposited surfaces at low heat fluxes decreases, while it rises at high heat fluxes.

Cites

EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF TEMPERATURE AND NANOPARTICLES VOLUME FRACTION ON THE VISCOSITY OF NON-NEWTONIAN HYBRID NANOFLUID

References

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APA: Copy

ABDOLLAHI, ALI, SALIMPOUR, MOHAMMAD REZA, & ETESAMI, NASRIN. (2016). EXPERIMENTAL ANALYSIS OF POOL BOILING HEAT TRANSFER OF FERROFLUID ON SURFACES DEPOSITED WITH NANOFLUID. MODARES MECHANICAL ENGINEERING, 16(2), 19-30. SID. https://sid.ir/paper/178831/en

Vancouver: Copy

ABDOLLAHI ALI, SALIMPOUR MOHAMMAD REZA, ETESAMI NASRIN. EXPERIMENTAL ANALYSIS OF POOL BOILING HEAT TRANSFER OF FERROFLUID ON SURFACES DEPOSITED WITH NANOFLUID. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(2):19-30. Available from: https://sid.ir/paper/178831/en

IEEE: Copy

ALI ABDOLLAHI, MOHAMMAD REZA SALIMPOUR, and NASRIN ETESAMI, “EXPERIMENTAL ANALYSIS OF POOL BOILING HEAT TRANSFER OF FERROFLUID ON SURFACES DEPOSITED WITH NANOFLUID,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 2, pp. 19–30, 2016, [Online]. Available: https://sid.ir/paper/178831/en

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