Heat transfer enhancement using corona wind generator

Zhang, J.; Lai, F. C.

doi:10.1016/j.elstat.2018.01.001

Cited by 21 publications

(7 citation statements)

References 18 publications

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“…The temperature field (T) in the air-filled region and at the copper plate was calculated to determine the rate of heat flux. Dissipation Equations (14) and (15) govern the temperature field in the air-filled and the copper-filled regions, respectively. Boundary condition (16) was used at the surface of the heater block and the needle.…”

Section: Numerical Simulationmentioning

confidence: 99%

“…It is worth mentioning that heat transfer enhancement by using ionic wind devices has been studied for decades [10][11][12][13][14][15][16][17][18][19]. For example, [18] showed that ionic wind induced by a wire-type discharge electrode enhanced the heat transfer between two of the surfaces that face each other of a rectangular duct (the duct had a primary airstream).…”

Section: Introductionmentioning

confidence: 99%

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Fundamental Evaluation of Thermal Switch Based on Ionic Wind

Yoshida

2019

Energies

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A significant amount of thermal energy (mainly under 200 °C) is wasted in the world. To utilize the waste heat, efficient heat management and thermal switching is required. The basic characteristics of a thermal switch that controls the flow of heat by switching on/off the ionic wind is discussed in this study. The study was conducted through experiments and numerical simulations. A heater made of aluminum block maintained at 100 °C was used as a heat source, and the rate of heat flow to a copper plate placed over it was measured. Ionic wind was induced by corona discharge with a needle placed on the heater. The ratio of heat transfer coefficients was obtained in the range of 3–4, with an energy efficiency of around 10. The heat flux at this condition was approximately 400 W/m2. The numerical simulations indicate that the heat transfer is enhanced by ionic winds, and the results were found to corroborate well with the experimental ones.

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Section: Numerical Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fundamental Evaluation of Thermal Switch Based on Ionic Wind

Yoshida

2019

Energies

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“…A specific multitip geometry is considered, already object of previous studies at bench using DC power supply [8], [13], which proved to already partially contribute to the stability improvement of the discharge with respect to a traditional DC wire-plate configuration. Similar geometries with flush-mounted multiple pins were studied also in heat transfer applications [14].…”

Section: Introductionmentioning

confidence: 99%

Discharge Stability Enhancement in Surface Corona Actuators

Belan

Tescaroli

2022

IEEE Trans. Plasma Sci.

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“…Ramadhan developed a 3D numerical model and validated it to solve the coupled equations of EHD flow and conjugate heat transfer, and predicted the cooling performance of the integrated EHD system. Zhang J [6] numerically examined Heat transfer enhancement using corona wind generators in a square channel, and then three configurations of the corona wind generator are investigated for their effectiveness in the enhancement of heat transfer as well as the pumping power requirement. Chen S [7] investigated ionic wind by a DC corona discharge under different conditions with an emphasis on the effects of voltage polarity and the transition between different discharge regimes.…”

Section: Introductionmentioning

confidence: 99%