NUMERICAL INVESTIGATION OF COLLECTING WIRE ELECTRODE EFFECT UPON FLOW FIELD AND HEAT TRANSFER WITH ELECTRO-HYDRODYNAMIC ACTUATOR

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TAGHAVI FADAKI S.S.; AMANIFARD N.; DEYLAMI H.M.; DOLATI F.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2016 | Volume:6 | Issue:1 Page(s): 201-213

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Information Journal Paper

Title

NUMERICAL INVESTIGATION OF COLLECTING WIRE ELECTRODE EFFECT UPON FLOW FIELD AND HEAT TRANSFER WITH ELECTRO-HYDRODYNAMIC ACTUATOR

Author(s)

TAGHAVI FADAKI S.S. | AMANIFARD N. | DEYLAMI H.M. | DOLATI F. | Issue Writer Certificate

Keywords

ELECTROHYDRODYNAMICQ2

COLLECTING ELECTRODEQ1

HEAT TRANSFERQ2

NUMERICAL INVESTIGATIONQ1

Abstract

In this work, the flow and temperature fields affected by an electric field in the presence of a wire-collecting electrode are numerically studied for the two-dimensional, incompressible, turbulent, and steady-flow conditions by the finite volume approach. This computational methodology includes the use of a structured non-uniform quadrilateral grid, and the standard K- model is adopted as the turbulence model. The computed results are compared with the experimental data; they agree very well. Then the effects of different parameters such as the COLLECTING ELECTRODE radius, applied voltage, Reynolds number, and distance between emitting and COLLECTING ELECTRODEs on the flow pattern and HEAT TRANSFER coefficient are evaluated. The numerical results obtained show that the influence of the electro-hydrodynamic phenomenon on the HEAT TRANSFER enhancement increases with the radius of the grounded electrode and applied voltage but decreases when the Reynolds number and the distance between electrodes are augmented. The results obtained indicate that the electro-hydrodynamic actuator acts as a generator of secondary flow, and these vortices are used to enhance the forced convection HEAT TRANSFER.

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APA: Copy

TAGHAVI FADAKI, S.S., AMANIFARD, N., DEYLAMI, H.M., & DOLATI, F.. (2016). NUMERICAL INVESTIGATION OF COLLECTING WIRE ELECTRODE EFFECT UPON FLOW FIELD AND HEAT TRANSFER WITH ELECTRO-HYDRODYNAMIC ACTUATOR. JOURNAL OF SOLID AND FLUID MECHANICS, 6(1), 201-213. SID. https://sid.ir/paper/212784/en

Vancouver: Copy

TAGHAVI FADAKI S.S., AMANIFARD N., DEYLAMI H.M., DOLATI F.. NUMERICAL INVESTIGATION OF COLLECTING WIRE ELECTRODE EFFECT UPON FLOW FIELD AND HEAT TRANSFER WITH ELECTRO-HYDRODYNAMIC ACTUATOR. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2016;6(1):201-213. Available from: https://sid.ir/paper/212784/en

IEEE: Copy

S.S. TAGHAVI FADAKI, N. AMANIFARD, H.M. DEYLAMI, and F. DOLATI, “NUMERICAL INVESTIGATION OF COLLECTING WIRE ELECTRODE EFFECT UPON FLOW FIELD AND HEAT TRANSFER WITH ELECTRO-HYDRODYNAMIC ACTUATOR,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 6, no. 1, pp. 201–213, 2016, [Online]. Available: https://sid.ir/paper/212784/en

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