Non-contact tube pass fluid temperature measuring method based on temperature measurement of pipeline outer wall

A technology for the temperature of the outer wall of the pipe and the fluid, which is used in the field of tube-side fluid temperature measurement and non-contact tube-side fluid temperature measurement, which can solve problems such as difficulty in implementation.

Active Publication Date: 2014-09-24
SHENZHEN TAIKE TEST
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Problems solved by technology

When this method is used to measure the temperature of the tube-side fluid, the volume of the water calorimeter

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  • Non-contact tube pass fluid temperature measuring method based on temperature measurement of pipeline outer wall
  • Non-contact tube pass fluid temperature measuring method based on temperature measurement of pipeline outer wall
  • Non-contact tube pass fluid temperature measuring method based on temperature measurement of pipeline outer wall

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Embodiment Construction

[0039] According to the technical solution of the present invention, without changing the spirit of the present invention, those skilled in the art can propose multiple structural modes and production methods of the present invention. Therefore, the following specific embodiments and drawings are only specific descriptions of the technical solution of the present invention, and should not be regarded as the entirety of the present invention or as a limitation or restriction on the technical solution of the present invention.

[0040] Below in conjunction with embodiment and attached figure 1 The present invention is described in further detail:

[0041] A non-contact tube-side fluid temperature measurement method based on the temperature measurement of the outer wall of the pipeline described in the present invention, the specific steps include:

[0042] Step 10, using the acquisition device to collect pipeline parameters and external environment parameters, and determine the...

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Abstract

The invention discloses a non-contact tube pass fluid temperature measuring method based on temperature measurement of a pipeline outer wall. The measuring method includes the steps that pipeline and external environment parameters are collected, and the flow speed of internal fluid is determined, so that the pipeline heat transfer process is divided into natural convective heat transfer between the pipeline outer wall and air, pipe wall heat conduction and forced convective heat transfer between the pipeline inner wall and water at three levels; a heat transfer expression is obtained after a radial-direction heat transfer model of a pipeline is set up, the expression is iteratively and repeatedly calculated to obtain the needed tube pass fluid temperature value. The non-contact measurement of the tube pass fluid temperature is achieved, the applicability is good, on the premise of guaranteeing real-time performance, measurement accuracy and detection efficiency are improved, and the non-contact tube pass fluid temperature measuring method can be suitable for fast measuring tube pass fluid temperature under various conditions.

Description

technical field [0001] The invention relates to a tube-side fluid temperature measurement method, in particular to a non-contact tube-side fluid temperature measurement method based on a pipeline radial heat transfer model and pipeline outer wall temperature measurement, and belongs to the technical field of fluid measurement. Background technique [0002] Fluid temperature is an important parameter in the field of industry and scientific research, and its accurate and rapid measurement plays a decisive role in industrial production and process control. [0003] Common fluid temperature measurement methods include direct contact measurement and indirect measurement. Direct contact measurement methods, such as patents CN203452771U, CN102998000A, etc., directly contact the sensor with the measured object, collect the temperature information of the measured fluid, and complete the direct temperature measurement process. The method is simple, direct, and accurate in measurement...

Claims

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Application Information

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IPC IPC(8): G01K13/02
Inventor 曾明庆滕艳张智鹰赵金辉
Owner SHENZHEN TAIKE TEST
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