This book presents selected papers from the eighteenth Asian International Conference on Fluid Machinery (AICFM18 2025) hosted in Ha Long, Quang Ninh, Vietnam, on October 2–4, 2025, with the focus on “Innovations in Fluid Systems for Sustainable Development.” This book encompasses a diverse range of topics, reflecting the interdisciplinary nature of fluid machinery. Esteemed experts in fluid dynamics provided insights into current challenges and opportunities in the field. Their discussions emphasized the importance of sustainable practices and advanced technologies in fluid machinery applications. Researchers presented cutting-edge studies on various aspects of fluid machinery, including Computational Fluid Dynamics (CFD) simulations for system optimization, Innovative pump designs and their impact on energy efficiency, and Advances in turbine technology for renewable energy applications. Interactive workshops allowed participants to gain hands-on experience with the latest software and methodologies. Panel discussions addressed future trends in fluid machinery, including the integration of artificial intelligence and smart technologies. The proceedings also included perspectives from industry leaders on the practical applications of fluid machinery advancements, bridging the gap between academia and industry. This book serves as a comprehensive resource for attendees and those unable to attend, encapsulating the innovative spirit and collaborative efforts within the fluid machinery community. The conference concluded with a commitment to continued collaboration and exploration of sustainable solutions in fluid dynamics and machinery. This book represents Volume 2 for this conference proceedings, which consists of a 2-volume book series.

This book presents selected papers from the eighteenth Asian International Conference on Fluid Machinery (AICFM18 2025) hosted in Ha Long, Quang Ninh, Vietnam, on October 2–4, 2025, with the focus on “Innovations in Fluid Systems for Sustainable Development.” This book encompasses a diverse range of topics, reflecting the interdisciplinary nature of fluid machinery. Esteemed experts in fluid dynamics provided insights into current challenges and opportunities in the field. Their discussions emphasized the importance of sustainable practices and advanced technologies in fluid machinery applications. Researchers presented cutting-edge studies on various aspects of fluid machinery, including Computational Fluid Dynamics (CFD) simulations for system optimization, Innovative pump designs and their impact on energy efficiency, and Advances in turbine technology for renewable energy applications. Interactive workshops allowed participants to gain hands-on experience with the latest software and methodologies. Panel discussions addressed future trends in fluid machinery, including the integration of artificial intelligence and smart technologies. The proceedings also included perspectives from industry leaders on the practical applications of fluid machinery advancements, bridging the gap between academia and industry. This book serves as a comprehensive resource for attendees and those unable to attend, encapsulating the innovative spirit and collaborative efforts within the fluid machinery community. The conference concluded with a commitment to continued collaboration and exploration of sustainable solutions in fluid dynamics and machinery. This book represents Volume 2 for this conference proceedings, which consists of a 2-volume book series.