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A temperature probe comb with air blowing strut structure

A technology of temperature probe and rod structure, which is applied in the field of parameter measurement device and temperature probe comb with blowing rod structure, can solve the problems of interference of the measured flow field, affecting the measurement of downstream flow field parameters, etc. The effect of reducing interference and reducing the blocking effect

Active Publication Date: 2019-06-04
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem mainly solved by the present invention is: when the plug-in temperature probe comb is used to measure the flow field parameters in the turbine, the blockage effect produced by the strut wake will interfere with the measured flow field and affect the measurement of the downstream flow field parameters

Method used

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  • A temperature probe comb with air blowing strut structure
  • A temperature probe comb with air blowing strut structure
  • A temperature probe comb with air blowing strut structure

Examples

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Embodiment

[0023] Such as figure 1 As shown, this embodiment introduces a temperature probe comb with a blowing strut structure, which is characterized in that it includes a probe head (1), a strut (2), a mounting seat (7), a supply Trachea (5), mouthpiece (6); the probe head (1) is welded to the pole (2), with a built-in temperature sensor; the sensor cable (3) is packaged inside the pole (2), and the pole (2) Leading out from the top; the pole (2) is welded to the mounting base (7), and its interior is divided into two parts, left and right, separated by a partition in the middle, the air supply part is a closed structure, facing the incoming flow, and the pole (2) Three rows of circular holes (4) are opened on the back, and the holes (4) communicate with the air supply pipe (5); the air supply pipe (5) is connected with the joint (6) welded on the mounting seat (7); The mouthpiece (6) is welded on the side or top of the mount (7).

[0024] In this example, the number of probes is 5;...

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Abstract

The invention belongs to the technical field of flow field temperature testing. The invention discloses a temperature probe comb with an air-blowing strut structure, which is characterized in that: it includes a probe head, a strut, a mounting seat, an air supply pipe, and a nozzle; the probe head and the strut Welding, built-in temperature sensor; the sensor cable is packaged inside the pole and led out from the top of the pole; the pole is welded to the mounting seat, and its interior is divided into left and right parts, separated by a partition in the middle, and the air supply part is closed Type structure, facing the incoming flow, single or multiple rows of round holes are opened on the back of the pole, and the holes are connected or communicated with the air supply pipe; the air supply pipe is connected with the joint welded on the mounting base; the joint is welded on the mounting base side or top. Compared with the existing probe comb, the present invention weakens the blocking effect of the struts and reduces the interference of the struts to the downstream flow field by controlling the air blowing of the struts.

Description

technical field [0001] The invention belongs to the technical field of flow field temperature testing, and relates to a measuring device for flow field total temperature, static temperature and other parameters, in particular to a temperature probe comb with an air blowing strut structure. Background technique [0002] At present, in the internal flow test, for example, when measuring the three-dimensional flow field parameters at the inlet and outlet of transonic compressors and turbines, including the distribution of static temperature and total temperature of the incoming flow along the blade height direction, temperature probe combs are generally used. [0003] Temperature probe combs are widely used in the testing process due to their flexibility and high efficiency. However, these temperature probe combs need to be supported by struts, and the struts will interfere with the measured flow field, resulting in flow mixing loss, flow blockage, and even affecting the normal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K13/02G01K13/024
CPCG01K13/028
Inventor 马宏伟钟亚飞
Owner BEIHANG UNIV
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