Section I Understanding Nanofluids 1. Nanofluids: Preparation Methods and Challenges in Stability [P. Padmaja and Harnish Soni] 2. Thermophysical Properties Enhancement Using Hybrid Nanofluids and Their Synthesis and Applications [B. Chitra, K. Sathishkumar, N. Fedal Castro, and S. Srinivas] 3. Hybrid Nanoparticles Enriched Cutting Fluids in Machining Processes [Anuj Kumar Sharma, Arun Kumar Tiwari, Amit Rai Dixit, and Rabesh Kumar Singh] Section II Theoretical Perspectives 4. Nanofluid-Based Single-Phase Natural Circulation Loops [Nur Çobanoglu, Ziya Haktan Karadeniz, and Alpaslan Turgut] 5. Entropy Generation Analysis of Hybrid Nanofluids Flow in Ducts with Various Shapes [Gabriela Huminic and Angel Huminic] 6. Viscosity of Nanofluid Systems: A Critical Evaluation of Modeling Approaches [Amir Varamesh and Abdolhossein Hemmati-Sarapardeh] Section III Nanofluids in Thermal Applications 7. Application of Nanofluids in Heat Transfer Enhancement of Refrigeration Systems [Khalil Khanafer and Kambiz Vafai] 8. Graphene-Based Hybrid Nanofluids and Its Application in Heat Exchangers [Hooman Yarmand, Nurin Wahidah Binti Mohd Zulkifli, Mahidzal Dahari, and S.N. Kazi] 9. Lattice Boltzmann Modeling on Convective Heat Transfer of Nanofluids through Highly Conductive Metal Foams [H.J. Xu, Z.B. Xing, X. Fang, W. Zhang, and Z.Z. Zhou] 10. CNT-Water Nanojet Impingement Cooling of a Sinusoidally Moving Isothermal Hot Wall [Fatih Selimefendigil and Hakan F. Oztop] Section IV Nanofluids in Solar Applications 11. An Insight of Ionanofluids Flow and Heat Transfer Behavior for Solar Energy Applications [Alina Adriana Minea and S.M. Sohel Murshed] 12. Nanofluid-Based Direct Absorption Solar Collectors [Gary O’Keeffe, Sarah Mitchell, Tim Myers, and Vincent Cregan] 13. Applications of Nanofluids in Solar Thermal Systems [Kalyani K. Chichghare, Divya P. Barai, and Bharat A. Bhanvase] 14. Nanofluids for Solar Steam Generation [Yurong He, Xinzhi Wang, and Yanwei Hu] 15. Supersteam Production Using Magnetic Nanofluids [K.R.V. Subramanian, Avinash Balakrishnan, Tubati Nageswara Rao, and A. Radhakrishna] 16. Enhanced Thermophysical Properties of the Heat Transfer Fluids for Concentrating Solar Power by Using Metal-Based Nanofluids: An Experimental and Theoretical Overview [Antonio Sánchez-Coronilla, Javier Navas, Elisa I. Martín, Roberto Gómez-Villarejo, Teresa Aguilar, Juan Jesús Gallardo, Miriam Teruel, Rodrigo Alcántara, and Concha Fernández-Lorenzo] 17. Potential Utilization of Nanofluids for Concentrating Solar Power (CSP) [Amine Allouhi and Mahmut Sami Buker] 18. Influence of the Base Fluid and Surfactant Arrangement on the Enhancement of Heat Transfer in Metal–Nanofluids Used in Concentrating Solar Power Plants: A Molecular Level Perspective [Elisa I. Martín, Antonio Sánchez-Coronilla, Javier Navas, Roberto Gómez-Villarejo, Rodrigo Alcántara, and Concha Fernández-Lorenzo] 19. Applications of Nanofluids in Direct Absorption Solar Collectors [M.E. Zayed, S.W. Sharshir, J. Shaibo, F.A. Hammad, Mohamed Kamal Ahmed Ali, Sajjad Sargana, K.K. Salman, Elbager M.A. Edreis, Jun Zhao, Chun Du, and Ammar H. Elsheikh] Section V Nanofluids in Oil and Gas Industry and Carbon Sequestration 20. Application of Nanofluids in Enhanced Oil Recovery: A Systematic Literature Review and Organizing Framework [Majid Mohammadi, Mehdi Sedighi, and Abdolhossein Hemmati-Sarapardeh] 21. Application of Nanoparticle Suspension in Enhanced Oil Recovery [Dengwei Jing Jing, L. Sun, and M. Hatami] 22. Nanofluids: Applications and Its Future for Oil and Gas Industry [Ravi Shankar Kumar and Tushar Sharma] 23. CO2 Capture via Nanofluids [Na Zhang, Jianchao Cai, Zhen Pan, Muftah H. El-Naas, Feng Chen, and Zhien Zhang]