Abstract Visualization experiments and the PSD of pressure signal were used to identify cryogenic vaporliquid two phase flows regime in vertical pipes. The flow regime got from highspeed camera and one inferred according to the PSD of pressure signal of different location were compared. It is found that PSD which is usually used to identify room temperature two phase regime can also be used to identify cryogenic two phase flow regime; even in different heat flux, it all works.
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Received: 19 August 2009
Published: 31 August 2010
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