Experimental system and measurement method for simultaneous measurement of multiple physical fields

Abstract

The invention provides an experimental system for simultaneous measurement of multiple physical fields and a measurement method, which are used for solving the problems of coupling and simultaneous measurement of a temperature field, a velocity field and a solid field in the prior art, and comprise a coupling system and a measurement system, the coupling system comprises a transparent experiment section, a heat exchange system and a water pump, the transparent experiment section, the heat exchange system and the water pump are connected through pipelines to form a circulating system, the transparent experiment section comprises a transparent fluid cavity, a heating system and a turbulent flow assembly, the heating system is used for heating fluid in the transparent fluid cavity, and the turbulent flow assembly comprises a rigid part and a flexible part. The flexible part is connected to the rigid part. The heat exchange system comprises a heat exchanger and a refrigerating device. The measurement system comprises a fluid temperature measurement system, a fluid speed measurement system and a solid deformation field measurement system which are respectively used for simultaneously measuring a temperature field, a speed field and a solid field under the heat-fluid-solid coupling effect.

Description

technical field [0001] The invention relates to the field of thermal fluid-solid multi-field coupling, in particular to an experimental system and a measurement method for simultaneous measurement of multi-physical fields. Background technique [0002] The existing patent CN201320544155.2 provides an experimental device for testing heat-fluid-solid multi-field coupling, which is aimed at testing under multi-field coupling conditions such as different temperatures, velocities, and turbulent objects, and fails to realize the heat-fluid-solid coupling inside the pipeline. Simultaneous measurement of the temperature field, velocity field, and solid deformation field inside the pipeline. At present, there is no experimental system and measurement method for the simultaneous measurement of solid deformation field, velocity field, and temperature field, especially when the thermal buoyancy effect is obvious. Coupling experimental system and measurement method of field and temperatu...

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Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an experimental system and measurement method for simultaneous measurement of multiple physical fields, which is used to solve the problem of temperature field, velocity field, The problem that the solid field cannot be accurately measured at the same time, and the image of the fluid-solid coupling field is realized through image processing technology, making the study of the fluid-solid coupling interaction more convenient and intuitive

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