Adjustable aerodynamic lens system for aerodynamic focusing of aerosols

An adjustable and structural technology, applied in electrical components, instruments, sampling devices, etc., can solve problems affecting cloud generation mechanism and atmospheric photochemical reaction mechanism, affecting human health, endangering the stability of the earth's environment, etc.

Inactive Publication Date: 2017-02-22
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aerogels play an important role in the fields of environmental chemistry, atmospheric chemistry, biochemistry, biomedicine, and interstellar chemistry. Natural gas gels are very important for the radiation balance of the earth. However, artificial aerosols produced by human activities affect the formation mechanism of clouds and Atmospheric photochemical reaction mechanism, and cause air quality deterioration and seriously affect human health, so aerosols have seriously endangered the stability of the earth's environment

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  • Adjustable aerodynamic lens system for aerodynamic focusing of aerosols
  • Adjustable aerodynamic lens system for aerodynamic focusing of aerosols
  • Adjustable aerodynamic lens system for aerodynamic focusing of aerosols

Examples

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Embodiment Construction

[0059] see figure 1 , a multifunctional aerosol detection system has an aerosol infrared spectrometer A1, an aerosol photoelectron spectrometer B1 and an adjustable aerodynamic focusing structure 1, the adjustable aerodynamic focusing structure 1 is used to aerodynamically focus a plurality of aerosol particles to form aerosol particles In this embodiment, the aerosol photoelectron spectrometer B1 is an aerosol ultraviolet photoelectron spectrometer.

[0060] see figure 1 , the airgel infrared spectrometer A1 has an airgel generating chamber A11, a valve port A12, a Fourier transform infrared spectrometer A13, a light source A14 and a control module (not shown in the figure), the control module can accurately control the interior of the aerogel generating chamber A11 temperature and pressure, so that the aerosol precursors in the aerosol generation chamber A11 gather into agglomerates and nucleate (homogeneous or heterogeneous nucleation) to form aerosol particles. The presen...

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Abstract

An adjustable aerodynamic lens system for aerodynamic focusing of aerosols comprises a hollow tube having an inlet terminal, an outlet terminal and a focusing segment located between the inlet terminal and the outlet terminal. The focusing segment includes a plurality of section tubes assembled in a manner to selectively focus aerosols of a specific average size. Each of the section tubes has a focusing orifice, and the diameters of the two adjacent focusing orifices are different. In specific, the section tubes having their focusing orifices of appropriate diameters are chosen according to the average size of aerosol particles to be focused, and assembled in sequence, so as to make aerosol fluid passing through to form a beam of aerosol particles with good focusing quality.

Description

technical field [0001] The present invention relates to an adjustable aerodynamic focus structure, in particular to a hollow tube body composed of a plurality of segmented tubes, wherein the aforementioned segmented tubes have different focusing apertures, so the aforementioned segmented tubes are assembled in a specific order The hollow tube can be used to focus the aerosol particles passing through the adjustable aerodynamic focusing structure to form a highly collimated aerosol particle beam, wherein the beam width of the aerosol particle beam is between 3 nm and 3 μm. Background technique [0002] Aerosols generally refer to a dispersion system in which solid particles or liquid droplets are suspended in a gas medium, and common aerosols in daily life include haze, dust, suspended particles, smog and sea salt droplets. The particle size of aerosols is The range is on the order of several nanometers or even micrometers. [0003] Aerogels play an important role in the fie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
CPCG01N1/28G01N2015/0046G01N2015/0026G01N1/22G01N1/24G01N2001/2223G01N2001/244H01J49/0445H01J49/44H01J49/162
Inventor 王家蓁
Owner SUN YAT SEN UNIV
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