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Oscillating jets

A technology of oscillating jet and jet device, which is used in fluid mixers, combustion methods, mixers, etc., can solve the problems of not directly promoting the performance of precession jets, and not having the ability to adapt and adjust precession jets.

Inactive Publication Date: 2001-01-10
拉米尼斯股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While the jet devices disclosed in W094 / 07086 and W096 / 27761 are very good at enhancing the performance of the precession jet in combustion systems such as rotary cement kilns, but they do not directly promote the performance of the precession jet for other specific industrial applications optimized because they do not have the ability to directly and simply adapt and adjust to the mixing characteristics of the precessing jet itself

Method used

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Embodiment Construction

[0023] The best way to practice the invention

[0024] figure 1 A simple fluidic device 2 produced according to the method proposed in the present invention is schematically shown for exciting an oscillating jet. The fluidic device 2 generally includes a cavity 4 having a fluid outlet 6 spaced longitudinally from a fluid inlet 8 . The cross-section of chamber 4 and / or fluid outlet 6 may optionally be shaped as circular, rectangular, polygonal, elliptical, hexagonal or octagonal (other geometric planar figures may be usefully used in certain embodiments). The cross-section of chamber 4 is preferably constant, although the cross-section may vary along the length of chamber 4 to be useful in certain embodiments.

[0025] Although the actual formation mechanism of the oscillating jet in the cavity 4 is very complicated, the general operation of the jet device 2 can still refer to figure 1 In this case, the fluid jet 10 initially separates from the inner surface of the chamber 4...

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Abstract

A method for producing a fluidic device (2) for exciting an oscillating jet of predetermined oscillation and mixing characteristics. The fluidic device (2) includes a chamber (4) having a fluid outlet (6) longitudinally displaced from a fluid inlet (8). The fluid inlet (8) is disposed such that in use the fluid (10) entering the chamber (4) through the fluid inlet (8) separates from the inner surface of chamber (4) to excite an oscillating jet (12). The method includes the step of configuring the geometry of the shape and / or dimensions of the cross section of the fluid inlet (8) to determine the mode of oscillation and mixing characteristics of the oscillating jet (12). A fluidic device (2') for exciting an oscillating jet (12') whose characteristics can be determined to meet operational requirements.

Description

field of invention [0001] The present invention relates to oscillating jets. Background technique [0002] Oscillating jets are jets that are excited to assume an oscillating kinetic mode. Whilst oscillating jets may be excited to exhibit a wide variety of oscillation modes, illustrative examples of oscillating jets include "oscillating jets", in which the jet column oscillates from side to side in a quasi-planar fashion; and "precessive jets" ”, wherein the jet column as a whole rotates (or “precesses”) about an axis other than its own. [0003] Oscillating jets, such as precession and oscillating jets, have broad potential industrial applications in fluid mixing because of their enhanced mixing characteristics compared to ordinary non-oscillating jets. Examples of industrial processes where oscillating jets have potential applications include combustion systems, chemical reactors, heat and mass exchangers, fluid mixers, and spray systems. [0004] The potentially broad ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/04B01F23/10F23D14/48F23D14/62
CPCB01F5/0682B01F5/0475F23D14/62F23D2900/14482B01F5/0688B01F5/0653B01F5/048F23D14/48B01F5/0646B01F5/0609B01F5/0473B01F25/31423B01F25/3142B01F25/3141B01F25/43B01F25/4336B01F25/433B01F25/45B01F25/4521
Inventor 米建春拉塞尔·E·勒克斯顿格雷哈恩·J·内森
Owner 拉米尼斯股份有限公司
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