Wind needle generator

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Ionic wind velocity and energy efficiency improvement in needle

At 15 mm needle-net distance, the needle-net electrode structure ionic wind generator shows a maximum energy efficiency value of 2.19%. A metal circular plate is attached on the needle electrode to change the spatial electric field distribution, increase the field intensity of the discharge gap, and promote the particle collision.

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The Effects of Inlet Blockage and Electrical Driving Mode on the

Moreover, the energy efficiency of such a small needle-ring ionic wind pump is not sensitive to both the electrical driving mode and the inlet blockage. All these characteristics make needle-ring ionic wind pumps a viable option for applications that have space limitations and require consistent performance.

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Flow distribution and cooling performance of needle-to-ring ionic wind

Zhang et al. [15]. investigated the ionic wind velocity variation of a blower with a ''needle-ring'' structure at various discharge spacings, and found that the wind velocity in the collector''s center was greatest when the discharge spacing was 5 mm. Wang et al. [16]. developed a compact ''multi-needle-mesh'' ionic fan that significantly increased the ionic wind

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Wind Needle | Aselia Wiki

Wind Needle (ウィンドニードル, Windoniidoru?) is a burst-style arte used by characters in Tales of Graces. The caster summons a row of green crosses in front of them. This arte is effective against birds. Tales of Graces - Pascal, Bat Specter, Cursed Bowman, Luvah (Wind Needle) Tales of Asteria - Pascal Japanese Description: のでをりく User: Pascal

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Flow distribution and cooling performance of needle-to-ring ionic

The parallel design can boost the volume flow of the ionic wind by providing a greater cross-sectional area. The above research also shows that the ''needle-ring'' ionic wind

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Ion Wind Generator Utilizing Bipolar Discharge in

We present a simple and efficient airflow generator utilizing the effect of ion wind by generating simultaneously both the positive and negative ions from two sharp electrodes mounted parallel to

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Multi-needle-ring type ionic wind generator for thermal

At the applied potential of 9 kV, the designed multi-needle to ring type ionic wind generator can keep the heated plate below 20°C from the maximum allowable limit (85°C).

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Experimental optimization of ion wind generator with needle

A tri-needle/ring ionic wind generator was developed to improve the heat dissipation condition of bulbs. The operation characteristics of the ionic wind generator, such as the electrode gap

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International Journal of Thermal Sciences

serial connection of multiple needle-to-cylinder ionic wind generators can increase the airflow velocity. Kawamoto et al. [19] used a needle-plate-type ionic wind generator to study the ionic wind flow, heat-transfer enhancement, and rules of ozone generation. In Kawamoto''s work, the collector electrode is a plate with a hole in the center. Qiu

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Van de Graaff Generator Instructions VDGPSUB

As the generator is continuously running, it keeps supplying more and more negative ions at a fast speed. The ions running away form a wind called "electric wind" which blows away (radially outward) from the generator. By attaching the conductor or needle, you have created an electric wind. Generate Statics. The wind is strong enough for

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Analysis of a two-stage ionic wind pump with multiple needle-to

Wang et al. [26] proposed an ionic wind generator with a needle-to-net electrode arrangement for LED chip cooling. In their parametric study, the discharge distance, applied voltage, and discharge power had an important influence on ionic wind cooling performance. An optimized ionic wind generator had a maximum wind velocity of 2.97 m/s and its

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Numerical and experimental study of heat-transfer characteristics

Moreau et al. [18] reported that the serial connection of multiple needle-to-cylinder ionic wind generators can increase the airflow velocity. Kawamoto et al. [19] used a needle-plate-type ionic wind generator to study the ionic wind flow, heat-transfer enhancement, and rules of ozone generation. In Kawamoto''s work, the collector electrode is a

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The Optimization of Needle-Net Ionic Wind Generator Electrode

In this work, a DC powered needle-net electrode structure ionic wind generator is built. The energy efficiency and wind speed of the ionic wind generator are optimized by

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Products for Wind Turbine Generators

bearing failures in wind turbine generators due to stray electrical currents. Insulated ceramic bearings eliminate electrolytic corrosion (commonly called fluting)and extend bearing life. (Generator: The device that converts rotational energy into electrical energy.) needle roller bearings that simultaneously provide high reliability

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Effect of the high voltage waveform on the ionic wind produced

Time-averaged ionic wind velocity. The coming section focuses on the time-averaged velocity of the ionic wind induced by the needle-to-plate DBD.

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Heat dissipation of electronic components by ionic wind from

Among various electrodes, this paper focuses on needle-ring ionic wind pumps because of their high flexibility in the number and configuration of the needles [17,[20][21][22][23] and, thus, high

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Experimental optimization of ion wind generator with needle to

DOI: 10.1016/J.IJHEATMASSTRANSFER.2015.01.018 Corpus ID: 111367682; Experimental optimization of ion wind generator with needle to parallel plates for cooling device @article{Shin2015ExperimentalOO, title={Experimental optimization of ion wind generator with needle to parallel plates for cooling device}, author={Dong Ho Shin and Joon Shik Yoon and

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Heat dissipation of electronic components by ionic wind from

Chen et al. [19] manufactured a needle-mesh ionic wind generator for LED chip cooling, with a needle electrode having six types of different tip curvatures. The effects of electrode configuration, including the needle tip curvature, vertical separation height of the electrodes, and tilt angle on the cooling performance, were investigated and analyzed.

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The heat dissipation by the multi-needle electrode structure ionic wind

In this paper, an ionic wind generator, constructed with needle-net electrode structure and powered by high-voltage positive dielectric current (DC) power supply, is built for cooling of a metal

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Numerical and experimental study of heat-transfer characteristics

Ionic wind generators have shown significant application potential in devices for cooling, air actuation, and flow control. In this study, a needle-to-ring electrode ionic wind generator with

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Experimental optimization of ion wind generator with needle to

An ion wind generator with a needle to parallel plate was fabricated for the experiment. The electrode intervals, needle positions and length of the plates were controlled to measure the velocity in various conditions, as shown in Fig. 3, Fig. 4, respectively. The needle electrode and the plate electrode were made of pure steel. Table 1 shows the

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Experimental optimization of ion wind generator with needle to

Therefore, an ion wind generator was suggested for use as a new cooling device in this study. The characteristics of the ion wind from the needle to parallel plate electrodes were analyzed for developing optimized cooling devices. Temperature changes induced by the ion wind were measured under various conditions for quantitative analysis.

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Ionic wind velocity and energy efficiency improvement in needle

It is found that the wind velocity and energy efficiency can be improved from 1.90 m/s to 2.35 m/s, and 1.87% to 3.14%, at same applied voltage and needle-net distance.

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(PDF) Experimental Investigation on Flow and Heat Transfer

In order to study the cooling performance of ionic wind on a Light Emitting Diode (LED), an ionic wind generator with a needles-ring electrode configuration was set up. A cylindrical heat sink for

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Experimental Investigation on Flow and Heat Transfer

Ionic wind cooling for electronic elements is a relevant research field. In order to study the cooling performance of ionic wind on a Light Emitting Diode (LED), an ionic wind generator with a needles-ring electrode configuration was set up. A cylindrical heat sink for the heat dissipation of a heating film representing the LED chip was also manufactured. Following

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Heat dissipation of electronic components by ionic wind from

Semantic Scholar extracted view of "Heat dissipation of electronic components by ionic wind from multi-needle electrodes discharge: Experimental and multi-physical analysis" by J. Qu et al. Multi-needle-ring type ionic wind generator for thermal management. Digvijay Shukla Ayush Singh P. Panigrahi. Engineering, Environmental Science.

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Ionic wind velocity and energy efficiency improvement in needle

Ionic wind produced by high voltage discharge has been proved as a promising technique in heat dissipation, food drying, electrostatic precipitation and air propulsion. On the other hand, the low wind velocity and the low energy efficiency of the ionic wind generators limit their performance in practical industrial applications. To improve this, a single needle-net

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The heat dissipation by the multi-needle electrode structure ionic wind

In this paper, an ionic wind generator, constructed with needle-net electrode structure and powered by high-voltage positive dielectric current (DC) power supply, is built for cooling of a metal oxide semiconductor field effect transistor (MOSFET). The energy efficiency and wind speed of the ionic wind generator are optimized by adjusting the

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The best home wind turbines for 2024, according to experts

See It Why it made the cut: This is the premium choice for long-term wind energy collection. Specs. Swept area: ~24.6 square meters Height: 9 / 15 / 20 meter options Certification: SWCC Pros

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Ionic wind velocity and energy efficiency improvement in needle

To improve this, a single needle-net electrode structure ionic wind generator driven by positive DC voltage is constructed and the effects of the applied voltage and the

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Heat transfer enhancement using CNT-coated needle electrodes

Miniaturization and high integration of electronic devices demand effective removal of heat flux, which requires an efficient cooling system. Corona wind discharge system (CWDS) with CNT-coated electrode is an attractive option for efficient cooling with low power consumption. The flow and heat transfer characteristics of the CWDS with CNT-coated

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Characteristics of ionic wind in needle-to-ring corona discharge

This new ion blower based on bipolar corona discharge of needle-dielectric-needle configuration has an excellent performance, including an offset voltage of ±5V, a short discharge time of 5s or less at distance of 20cm and the design of self-balancing regulation unit can effectively monitor the charged characteristics of mixed ion wind and make corresponding

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About Wind needle generator

About Wind needle generator

As the photovoltaic (PV) industry continues to evolve, advancements in Wind needle generator have become critical to optimizing the utilization of renewable energy sources. From innovative battery technologies to intelligent energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.

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By interacting with our online customer service, you'll gain a deep understanding of the various Wind needle generator featured in our extensive catalog, such as high-efficiency storage batteries and intelligent energy management systems, and how they work together to provide a stable and reliable power supply for your PV projects.

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