1. Introduction to Nanofluids: Definition and Historical Background 2. Thermophysical Properties of Nanofluids 3. Rheology of Nanofluids: Viscosity and Flow Behaviour 4. Optical Properties of Nanofluids and Their Applications 5. Synthesis and Characterization of Nanofluids 6. Nanoparticle-Fluid Interactions: Mechanisms and Models 7. Stability of Nanofluids: Challenges and Solutions 8.

Nanofluids in Energy Systems: Solar, Thermal, and Nuclear 9. Magnetic Nanofluids: Principles and Applications 10. Nanofluids in Biomedical Applications: Drug Delivery and Imaging 11. Nanofluids in Industrial Cooling Systems 12. Nanofluids in Microelectronics Cooling 13. Nanofluids in Lubrication and Tribology 14. Nanofluids in Chemical Processing and Catalysis 15. Nanofluids in Aerospace and Automotive Applications 16.

Nanofluids in Water Treatment and Desalination 17. Nanofluids in Heat Exchangers: Design and Optimization 18. Environmental Impact and Safety of Nanofluids 19. Computational Modelling of Nanofluid Behaviour 20. Hybrid Nanofluids: Combining Nanoparticles for Enhanced Properties 21. Experimental Techniques for Nanofluid Analysis 22. Future Trends and Challenges in Nanofluid Research.