Ternary refrigerant mixture for pulsating heat pipe

Abstract

The invention discloses a ternary refrigerant mixture for a pulsating heat pipe. The ternary refrigerant mixture is prepared by evenly mixing a binary working medium graphene oxide dispersion liquid with a binary working medium normal butanol water solution, wherein the concentration of the binary working medium graphene oxide dispersion liquid is 0.5mg / ml; the mass percent of the binary working medium normal butanol water solution is 0.5%; and the binary working medium graphene oxide dispersion liquid and the binary working medium normal butanol water solution are evenly mixed at a volume ratio of 2 to 5. The pulsating heat pipe employing the ternary refrigerant mixture can be started under relatively small thermal load; and the heat transfer property of the pulsating heat pipe can be strengthened within the overall work range, so that the pulsating heat pipe employing the mixed solution as a working medium is relatively small in size and relatively light in weight under the same thermal load, and has a relatively wide application prospect in the field of heat dissipation of electronic parts and components and aviation and aerospace.

Description

technical field [0001] The invention relates to the technical field of phase change pulsating heat pipe heat transfer, in particular to a ternary mixed working medium for strengthening the phase change heat of a pulsating heat pipe and a determination method thereof. Background technique [0002] The pulsating heat pipe is a new type of phase-change coreless heat pipe proposed by the Japanese Akachi in the 1990s. In response to the rapid development of the electronics industry, the power consumption of electronic equipment has continued to increase, and the heat dissipation has risen sharply. Compared with traditional heat pipes with liquid-absorbing cores, pulsating heat pipes are simple in structure, small in size, light in weight, easy to manufacture, low in cost and excellent in performance. They are widely used in the cooling of electronic equipment and in aerospace and other fields. [0003] The pulsating heat pipe is generally bent into a serpentine structure by the c...

AI Technical Summary

Problems solved by technology

However, under high heating load, since its heat storage capacity is the same as that of water, too many air bubbles are generated due to the heat-absorbing phase transition of the working fluid in the evaporation section, and the improvement of this heat transfer capacity is very limited.

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