Experimental device for two-phase heat transfer characteristic research and method for measuring wet steam dryness
2014
The invention discloses an experimental device for two-phase heat transfer characteristic research and a method for measuring wet steam dryness. The experimental device comprises a steam boiler, a first steam-water mixer, an experimental body and a first water injection system for providing cooling water, wherein both the first water injection system and the steam boiler are communicated with the first steam-water mixer; the first steam-water mixer is communicated with the experimental body; the cooling water provided by the first water injection system is mixed with wet steam provided by the steam boiler in the first steam-water mixer and then the mixture flows into the experimental body. The experimental device for the two-phase heat transfer characteristic research has the characteristics that the steam boiler is adopted to provide high-temperature and high-pressure steam instead of a traditional electric heating manner, the wet steam provided by the steam boiler and the cooling water by the first water injection system are mixed reasonably to realize the experimental working conditions of high flow, high pressure and high dryness, and the problems of insulating sealing and critical boiling are avoided because the experimental device has no pre-heating section and the experimental body also does not need to be heated.
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