Device and method for controlling shape of aerosol particle condensation growth flow field through electromagnetic field

Patent metadata

Field	Value
Publication number	US-12090504-B2
Application number	US-202117445618-A
Country	US
Kind code	B2
Filing date	Aug 23, 2021
Priority date	Aug 24, 2020
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

The present disclosure provides a device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field. The device includes an aerosol growth device and a power supply. The aerosol growth device includes a porous medium, magnetic rubber and an electromagnet group. The magnetic rubber is sleeved in an inner cavity of the electromagnet group, and the porous medium is sleeved in an inner cavity of the magnetic rubber. The magnetic rubber is clung or clings to the porous medium, and the power supply is connected with the electromagnet group. The present disclosure also provides a method for controlling the shape of the aerosol particle condensation growth flow field through the electromagnetic field.

First claim

What is claimed is:

1. A device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field, comprising:
an aerosol growth device and a power supply, wherein the aerosol growth device comprises a porous medium, magnetic rubber and an electromagnet group connected to the power supply;
the magnetic rubber is sleeved in an inner cavity of the electromagnet group, and the porous medium is sleeved in an inner cavity of the magnetic rubber, where the magnetic rubber clings to the porous medium.

2. The device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field according to claim 1 , wherein the electromagnet group is a circular electromagnet coil composed of a plurality of arc-shaped iron cores, and a winding coil is arranged on an edge of each arc-shaped iron core;
the winding coils are connected with the power supply; and
the magnetic rubber is prepared by taking rubber as a matrix and adding magnetic solid powder.

3. The device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field according to claim 2 , wherein the electromagnet group comprises direct-current electromagnets, and the power supply is a direct-current stabilized power supply.

4. The device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field according to claim 3 , wherein the device further comprises an aluminum hexagonal shell, and
the electromagnet group is sleeved in the shell.

5. The device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field according to claim 4 , wherein nine temperature measuring holes are formed in the shell in a longitudinal direction of the shell at equal intervals.

6. A method for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field by using the device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field according to claim 1 , the method comprising:
adjusting a direction and the magnitude of current passing through the electromagnet group to control a magnetic pole direction and a magnetism magnitude of the electromagnet group by the power supply, so that a deformation degree of the magnetic rubber is changed; and
when the magnetic rubber is affected by the ferromagnetism to deform, enabling the porous medium to deform as well, such that a shape of an inner channel of the porous medium is directly changed, and a shape of the flow field for condensation growth treatment of aerosol is changed.

7. The method according to claim 6 , wherein the electromagnet group is a circular electromagnet coil composed of a plurality of arc-shaped iron cores, and a winding coil is arranged on an edge of each arc-shaped iron core;
the winding coils are connected with the power supply; and
the magnetic rubber is prepared by taking rubber as a matrix and adding magnetic solid powder.

8. The method according to claim 7 , wherein the electromagnet group comprises direct-current electromagnets, and the power supply is a direct-current stabilized power supply.

9. The method according to claim 8 , wherein the device further comprises a shell, the electromagnet group is sleeved in the shell, and the shell is an aluminum hexagonal shell.

10. The method according to claim 9 , wherein nine temperature measuring holes are formed in the shell in the length direction of the shell at equal intervals.

Assignees

• Univ Jiliang China

Inventors

• Yu Mingzhou
• Liu Chenyang
• Liu Yueyan
• Zhang Qianyu
• Zhu Binbin
• Wu Taiquan
• Cao Yanlong
• Zhang Yitao

Classifications

• B05B12/10

  responsive to temperature or viscosity of liquid or other fluent material discharged · CPC title

• B01J13/0095 Primary

  Preparation of aerosols · CPC title

• G01K13/02

  for measuring temperature of moving fluids or granular materials capable of flow · CPC title

• G01N1/42

  Low-temperature sample treatment, e.g. cryofixation · CPC title

• B05B5/005 Primary

  the high voltage supplied to an electrostatic spraying apparatus being adjustable during spraying operation, e.g. for modifying spray width, droplet size · CPC title