Fig. 1. Schematic diagram of curved heat exchanger

Fig. 2. Schematic of geometric modeling (a), parameters (b) and meshing (c) for curved heat exchanger

Fig. 3. Schematic diagram of models with different curvatures

Fig. 4. Validation results of numerical simulation model for LBE side and SCO₂ side(a) Variation of Nu with Pe on LBE side, (b) Distribution of wall temperature along the SCO₂ side

Fig. 5. Distribution of temperature (a) and heat transfer coefficients (b) along the hot and cold side under different LBE mass flow rates

Fig. 6. Distribution of differential pressure along the hot and cold side under different LBE mass flow rates

Fig. 7. Temperature distribution along the hot and cold side under different SCO₂ mass flow rates

Fig. 8. Distribution of heat transfer coefficients along the hot and cold sides under different SCO₂ mass flow rates

Fig. 9. Distribution of differential pressure along the hot and cold sides under different SCO₂ mass flow rates

Fig. 10. Temperature distribution along the cold (a) and hot (b) side fluids for different hot and cold side inlet temperatures

Fig. 11. Distribution of heat transfer coefficients along the cold (a) and hot (b) side fluids at different hot and cold side inlet temperatures

Fig. 12. Temperature (a) and heat transfer coefficient (b) distributions along the hot and cold side fluids under different bending curvatures