Abstract
Two-phase closed thermosyphon has been widely used in many heat transfer devices due to its high thermal conductivity, low cost and sample structure. During its starting and operation, there have some unstable oscillation, including dry oscillation, geyser boiling and carrying oscillation. An experimental investigation of unstable oscillation of two-phase closed thermosyphon was presented in the present paper. The experimental results showed that under the same starting power, geyser boiling is easy to achieve stability with the cooling power increasing, and under the same cooling power condition, geyser boiling could be significantly affected by the starting power. At the situation of high heating power, carrying oscillation happened easily, which caused great temperature fluctuation and disastrous effects on the heat pipe.
Publisher
Trans Tech Publications, Ltd.
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