For generations of mechanical, civil, and industrial engineering students in Spanish-speaking universities, one name stands above the rest when it comes to fluid mechanics: Claudio Mataix. His seminal work, Turbomáquinas Hidráulicas (Hydraulic Turbomachines), is often referred to simply as "El Mataix." It is the definitive textbook for understanding pumps, turbines, fans, and compressors.
Conclusion: For hydraulic turbomachinery (water turbines and pumps), Mataix’s solucionario is superior to most English‑language manuals. The Ultimate Guide to the Solucionario de Turbomáquinas
Finding a high-quality, official "solucionario" (solution manual) for Claudio Mataix's Turbomáquinas Hidráulicas Turbomáquinas Hidráulicas (Hydraulic Turbomachines)
Fundamentos de Mecánica de Fluidos: Ecuaciones de Navier-Stokes y Euler aplicadas a máquinas. The Ultimate Guide to the Solucionario de Turbomáquinas