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Use of an electric field for the removal of droplets in a gaseous fluid

A gaseous fluid, electric field technology, applied in the field of electric fields used to remove droplets in gaseous fluids, to solve problems such as loss of revenue travelers

Inactive Publication Date: 2011-02-16
TECH UNIV DELFT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

100 fewer planes an hour is a serious loss of revenue and a problem for travelers

Method used

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  • Use of an electric field for the removal of droplets in a gaseous fluid
  • Use of an electric field for the removal of droplets in a gaseous fluid
  • Use of an electric field for the removal of droplets in a gaseous fluid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Mist / Fog Removal Test

[0064] A (styrophome) plate pierced by a needle is used. In this test each pin is connected to a charge of 15.000V on the back side. The foam acts purely as an insulator and keeps the pin straight and upright. The needles were charged stepwise in steps of 1 kV. For this experiment, a common mist diffuser (electric water boiler) was applied.

[0065] At a level of 6 kV, the movement of fog droplets in the air was observed. The observed movement is about 0.5 meters per second. At a level of 7 kV, a general movement of all airborne droplets towards the pair of electrodes was observed. A mesh having a meander diameter of 50 mm was used as the counter electrode. The pair of electrodes is grounded. The observed movement is about 1 m / s. At 8kV, all fog droplets move violently directly towards the web. The movement is at least about 3 to 4 m / s. Then, at 9kV, the same result as at 8kV is observed; the wind is stronger. The movement appears to...

Embodiment 2

[0068] Change in mesh size

[0069] To change the mesh size, see the table below,

[0070] Mesh

Embodiment 3

[0072] change in distance

[0073] The fog source is 5cm away from the first electrode (corona electrode), at the following voltage and distance:

[0074]

[0075] 20

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PUM

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Abstract

The invention provides the use, a method, and an apparatus to reduce and remove liquid droplets in air, such as fog, mist, or haze, although the invention in specific embodiments might also be used to reduce and remove liquid droplets from a spray or steam.The invention of the mist and / or air borne water or other liquid droplets catching and collection apparatus creates an electric wind, especially enforced by charged needle points or line arranged constructions and / or wires of the first electrode and an electric charging of mist and / or air borne water or other liquid droplets, which will be directed by the electric wind and the electric field between the electric source and the opposite grounded or opposite charged counter electrode (second electrode) of fine gauze or something comparable.

Description

technical field [0001] The present invention relates to the problem of mist or fog on roads, airports and the like. Background technique [0002] Fog at airports and on highways, highways and other roads poses serious risks and safety concerns. In addition to security aspects, there is also the issue of traffic control at airports and on roads. At Schiphol airport in the Netherlands, about 120 aircraft are usually handled an hour. However, in foggy conditions, this number can be reduced to a maximum of about 20 aircraft per hour, and even less in very dense fog conditions. Reducing 100 aircraft an hour is a serious loss of revenue and a problem for travelers. The problem may not only be landing or take-off, but in particular aircraft diversion at the airport itself, ie aircraft traffic control at the airport itself. If airports could be fog-free, it would provide a great business opportunity. Further, this will help travelers and traffic and will provide a more economic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01H13/00
CPCB03C3/09B03C3/017B03C3/41B03C2201/14B03C2201/10E01H13/00B01D53/32
Inventor W·N·J·于尔瑟姆J·C·M·马里杰尼森R·A·鲁斯
Owner TECH UNIV DELFT
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