PROBLEM TO BE SOLVED: To provide are a heat transport performance analysis method and a heat transport performance analysis device capable of highly accurately evaluating heat transport performance of a heat pipe with a low calculation cost.SOLUTION: A heat transport performance analysis method includes: a step of reading, by an input data reading unit (12), an initial parameter containing dimension information and physical property value information of a heat pipe (1); a step of creating, by a model creation unit (14), an analysis model in which the heat pipe is divided into a plurality of regions based on the initial parameter; and a step of calculating, by an equation solver (16), a heat passing amount of a boundary between regions in the analysis model based on the initial parameter; where the step of creating an analysis model contains a step of dividing the heat pipe into three regions, a pipe wall of a pipe (2), a fluid film region of a working fluid (8) flowing along an inner surface of the pipe wall, and a central volume region on a radially inner side of the pipe than the fluid film region.SELECTED DRAWING: Figure 5
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