Numerical Analysis of the Heat Transfer Performance and Axial Heat Conduction Issues in Micro-Channel Heat Exchangers under Cryogenic Conditions

Key Points

• Cryogenic conditions significantly impact heat transfer performance in micro-channel heat exchangers,
• A notable decrease of 34% in effective heat transfer coefficients was observed under specific conditions,
• Numerical analysis was conducted to evaluate both heat transfer performance and axial heat conduction issues,
• The findings suggest that optimized design can enhance efficiency under cryogenic conditions, warranting further investigation.