This book presents select proceedings of the 2nd Biennial International Symposium on Fluids and Thermal Engineering (FLUTE 2023). It covers latest research trends in the areas of production engineering and technology such as sustainable manufacturing processes, rapid prototyping, process planning, production scheduling, manufacturing management and automation, metrology, optimization methods for production processes, developments in casting, welding, machining, materials and machine tools. The contents of this book are useful for researchers and professionals working in the areas of manufacturing and materials engineering.