Effect of Using R-1234ze Refrigerant Instead of Water-Methanol Fluid in Laptop Heat Pipes on CPU Temperature
Abstract
Excessive temperatures generated by the CPU in laptop computers across various operating environments can lead to significant damage to electronic components. To mitigate this, heat pipes are employed. Within these heat pipes, refrigerants are used to effectively transfer heat from the laptop's CPU to the surroundings, thereby reducing system temperatures to safe operating levels and ensuring the continuous functionality of electronic systems and components. Traditionally, a water-methanol mixture has been utilized as the working fluid in heat pipes.
This study experimentally compares the usability of the next-generation R-1234ze refrigerant as a replacement for the water-methanol mixture fluid in the heat pipe of an Intel Core processor-equipped laptop, based on temperature measurement results. Experiments were conducted under three distinct operating conditions: idle, normal load (during video playback), and maximum load. Internal CPU temperature measurements were taken every 5 seconds for 20 minutes in each environment using the Core Temp software.
The internal CPU temperature variations were evaluated for both the water-methanol mixture fluid and the new generation R-1234ze refrigerant. The experimental results indicate that the R-1234ze refrigerant can indeed be utilized in laptop heat pipes and exhibits promising thermal performance.
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