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Method and device for determining the movements of a fluid from remote measurements of radial velocities

A technology of radial velocity and remote measurement, which is applied in the directions of measuring device, fluid velocity measurement, velocity/acceleration/impact measurement, etc., to improve the effect of measurement

Active Publication Date: 2013-12-04
利奥斯费尔公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] This limitation also occurs when studying altitude-dependent wind velocity contours (i.e., the velocity vector of the wind relative to the altitude directly above the instrument)

Method used

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  • Method and device for determining the movements of a fluid from remote measurements of radial velocities
  • Method and device for determining the movements of a fluid from remote measurements of radial velocities
  • Method and device for determining the movements of a fluid from remote measurements of radial velocities

Examples

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Embodiment Construction

[0116] An embodiment of the method according to the invention in an atmospheric lidar for measuring wind located in the lower atmosphere will be described below.

[0117] According to this non-limiting embodiment, the fluid is air, and the flow of air generates wind.

[0118] refer to figure 1 , the invention is implemented in a LiDAR 1 with a single-station configuration, for example as described in A. Dolfi-Bouteyre et al., "1.5 μm all-fiber pulsed LiDAR for wake vortex monitoring". The lidar includes:

[0119] - a light source 4 with a pulsed fiber laser based on an architecture of the MOPFA (Master Oscillator Power Fiber Amplifier) ​​type, emitting linearly polarized monochromatic light pulses with a wavelength of about 1.5 μm;

[0120] - an orientable collimator 2 with collimating optics, which emits a measuring beam along a measuring axis 3 located in a measuring cone 8 with a base angle of about 30° and the orientable collimator The instrument 2 collects light backsc...

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Abstract

A method is provided for determining the flow of a fluid in a volume of interest, including steps of remotely measuring, at a plurality of measurement points distributed along at least three axes of measurement having different spatial orientations passing through the volume of interest, the radial velocity of the fluid in the vicinity of the measurement points, and for calculating the velocity of the fluid at a plurality of calculation points distributed in a grid in the volume of interest, wherein the calculation of the velocity of the fluid includes the use of a mechanical behavior model of the fluid. A device is disclosed for implementing the method.

Description

technical field [0001] The present invention relates to a method for determining the movement of a fluid by remotely measuring the radial movement velocity of the fluid. The invention also relates to a device for remotely sensing fluid movement by implementing the method. More specifically, the field to which the present invention pertains relates to, but is not limited to, remote sensing of properties of wind located in the lower layers of the atmosphere. Background technique [0002] Measuring the movement of the atmosphere or wind is important for many applications, especially in meteorology and applications for monitoring features such as airports and wind farms. [0003] It is often useful to measure the displacement of air masses over a wide range of heights or regions corresponding to large volumes, which cannot be achieved with conventional anemometers such as cup anemometers, and such measurements require the ability to Remote sensing instruments for making remote...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P5/26
CPCG01P5/26G01P5/00
Inventor 马希欧·博奎特马克西米·尼巴特阿蒙德·阿尔伯格尔
Owner 利奥斯费尔公司
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