Innovations in Fluid Mechanics and Heat Transfer" explores the cutting-edge advancements and breakthroughs in the field of fluid mechanics and heat transfer. This book delves into the intricate mechanisms governing fluid flow and heat exchange, showcasing innovative techniques, technologies, and methodologies that have revolutionized this domain. The chapters in this book cover a wide range of topics, including computational fluid dynamics (CFD), turbulence modelling, heat transfer enhancement techniques, multiphase flows, nanofluids, and renewable energy applications. Each chapter presents state-of-the-art research findings, case studies, and practical applications, providing readers with a comprehensive understanding of the latest developments and their implications. Key themes include the integration of advanced numerical simulations with experimental data, the utilization of artificial intelligence and machine learning algorithms for predictive modeling, sustainable energy solutions through heat transfer optimization, and the exploration of novel materials and nanotechnologies for enhanced heat transfer performance.