Experimental device for testing flow heat transfer in high-temperature and high-pressure carbon dioxide tube

The utility model provides an experimental device for testing flow heat transfer in a high-temperature and high-pressure carbon dioxide pipe, belongs to the field of carbon dioxide thermal hydraulic testing, and is used for solving the problem that an air cooling wall and a heat exchanger of an existing supercritical carbon dioxide power generation system are difficult to effectively measure. Comprising a high-pressure carbon dioxide pump, a pressure sensor, a main pipe safety valve, an air bag type pressure stabilizer, a system flow meter, a heat regenerator, a main pipe sheathed thermocouple, a pressure regulating valve, a system stop valve and a filter which are connected in sequence, the cooling system is connected between the heat regenerator and the main pipe sheathed thermocouple, a vacuumizing liquid injection system and a condensation liquid storage system which are communicated with each other are connected between the pressure regulating valve and the system stop valve, and the condensation liquid