Electrostatic Fluid Accelerator under High‐Speed Free Air Stream

Wen, T.; Lindgren, Kyle; Mamishev, A.V.

doi:10.1002/ctpp.201600013

Cited by 4 publications

(2 citation statements)

References 17 publications

(30 reference statements)

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“…Both studies reported that the ionic wind provides the largest amount of improvement when the bulk flow is at a low Reynolds number, where the inertia of the bulk flow does not overwhelm the secondary flow produced by the ionic wind. These findings are not unique to thermal applications, as EHD pumps lose effectiveness as secondary wind devices as the velocity of the bulk flow increases [130]. This can be understood from the scaling arguments described in section 2.3, where it is necessary for  Re E HD 2 for the EHD body force to overcome the inertia of the bulk flow.…”

Section: Ehd For Cooling and Thermal Managementmentioning

confidence: 99%

Recent advances in electrohydrodynamic pumps operated by ionic winds: a review

Johnson

2017

Plasma Sources Sci. Technol.

111

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An ionic or electric wind is a bulk air movement induced by electrohydrodynamic (EHD) phenomena in a gas discharge. Because they are silent, low power, respond rapidly, and require no moving parts, ionic wind devices have been proposed for a wide range of applications, ranging from convection cooling and food drying to combustion management. The past several decades have seen the area grow tremendously leading to a number of new actuation strategies and devices that can be incorporated into various applications. In this review, we discuss the physics of ionic winds and recent developments of the past five years that have pushed the field forward, focusing on the development on bulk air-moving devices we term EHD pumps. We then highlight the ongoing challenges with transitioning ionic wind technologies to the market place, from issues that affect robustness to practical implementation, and point to areas where future research could have an impact on the field.

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Section: Ehd For Cooling and Thermal Managementmentioning

confidence: 99%

Recent advances in electrohydrodynamic pumps operated by ionic winds: a review

Johnson

2017

Plasma Sources Sci. Technol.

111

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“…Air molecules will be charged when passing around the ionization region. The charged air molecules will then move to the collector electrode following the electric field, transferring charges and momentum to other air molecules [ 10 ]. The bulk air movement is the result, also known as ionic wind or EHD flow [ 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Inlet Blockage and Electrical Driving Mode on the Performance of a Needle-Ring Ionic Wind Pump

Wen

2021

Micromachines

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The thermal management of microelectronics is important because overheating can lead to various reliability issues. The most common thermal solution used in microelectronics is forced convection, which is usually initiated and sustained by an airflow generator, such as rotary fans. However, traditional rotary fans might not be appropriate for microelectronics due to the space limit. The form factor of an ionic wind pump can be small and, thus, could play a role in the thermal management of microelectronics. This paper presents how the performance of a needle-ring ionic wind pump responds to inlet blockage in different electrical driving modes (direct current), including the flow rate, the corona power, and the energy efficiency. The results show that the performance of small needle-ring ionic wind pumps is sensitive to neither the inlet blockage nor the electrical driving mode, making needle-ring ionic wind pumps a viable option for microelectronics. On the other hand, it is preferable to drive needle-ring ionic wind pumps by a constant current if consistent performance is desired.

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Effects of inlet blockage and electrical driving mode on static pressure and flow rate of wire-rod electrohydrodynamic pumps

Wang

Wen

2020

Journal of Electrostatics

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Electrostatic Fluid Accelerator under High‐Speed Free Air Stream

Cited by 4 publications

References 17 publications

Recent advances in electrohydrodynamic pumps operated by ionic winds: a review

Recent advances in electrohydrodynamic pumps operated by ionic winds: a review

The Effects of Inlet Blockage and Electrical Driving Mode on the Performance of a Needle-Ring Ionic Wind Pump

Effects of inlet blockage and electrical driving mode on static pressure and flow rate of wire-rod electrohydrodynamic pumps

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