Nano fluid-enhanced heat transfer characteristic test system with low surface energy evaporator

Abstract

The invention discloses a nano fluid-enhanced heat transfer characteristic test system with a low surface energy evaporator. The nano fluid-enhanced heat transfer characteristic test system comprises a nano fluid circulation control module, a low surface energy micro-channel evaporator test section module, an enhanced heat transfer data acquisition and analysis module and a nano fluid phase-change visual acquisition module, wherein the nano fluid circulation control module is used for controlling the flow velocity, the flow rate, the temperature and the pressure of a nano fluid in a control pipeline; the low surface energy micro-channel evaporator test section module is used for performing low surface energy micro channel evaporator enhanced heat transfer test on the nano fluid; the enhanced heat transfer data acquisition and analysis module is used for acquiring and analyzing a temperature and pressure sensor signal on the low surface energy micro channel evaporator test section module, so as to obtain required test parameters; the nano fluid phase-change visual acquisition module is used for observing the enhanced heat transfer and the phase change process of the nano fluid in the low surface energy micro channel evaporator test section module. The nano fluid-enhanced heat transfer characteristic test system disclosed by the invention can be used for testing the gas-liquid phase-change evolution process of the nano fluid containing Al2O3, Fe3O4 and the like in a low surface energy micro channel and the nano fluid-enhanced heat transfer characteristics.

Description

technical field [0001] The invention relates to the field of nanofluid enhanced heat transfer in micro-channels, in particular to a nanofluid enhanced heat transfer characteristic testing system with a low surface energy evaporator. technical background [0002] With the advancement of science and technology, electronic components and equipment tend to be integrated. Traditional heat transfer equipment with large channels can no longer meet the heat transfer process of electronic chips. important direction of development. [0003] The micro-structure heat exchanger not only has high-efficiency and excellent heat exchange performance, but also has a simple and compact structure. In order to further efficiently improve the heat exchange efficiency of the micro-channel heat exchanger, researchers have introduced nanofluid heat transfer technology into the micro-channel for heat transfer. At the same time, the research shows that the comprehensive characteristics of the materia...

AI Technical Summary

Problems solved by technology

[0004] As for the strengthening of nanofluids in micro-channels, the theory has not been able to accurately describe and predict the phase change heat transfer characteristics of fluids in micro-channels. Therefore, systematic experimental testing and high-speed visualization are needed to study the behavior of nanofluids in micro-channels. Phase change heat transfer process and enhanced heat transfer characteristics. Under this background, a nanofluid enhanced heat transfer characteristic testing system and method with a low surface energy micro-channel evaporator was invented

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