Visual device for capillary reflux boiling of wick and construction method

The invention discloses a wick capillary reflux boiling visualization device and a construction method, and relates to the technical field of thermal management experiments, and the wick capillary reflux boiling visualization device comprises a frame structure, a heating module, a cooling module, a support structure, and a data acquisition and visualization module. An experiment cavity is formed in the frame structure, and a liquid inlet dam, a liquid absorption core and heat transfer working medium liquid are arranged in the experiment cavity; the heating module comprises an immersion heater and a heating block; the data acquisition and visualization module comprises a visualization window and a plurality of temperature acquisition thermocouples. According to the invention, the temperature change data of the experiment cavity is acquired through the temperature acquisition thermocouple, and the visual boiling image of the wick is acquired by adopting the external high-speed camera; the heat transmission temp