This book presents numerical computational fluid dynamics (CFD) solutions for studying the effect of fluid-structure interaction (FSI) on evaluation of pressure waves in pipelines with cavitation. The authors develop a uniform one-dimensional model using coupled models. These models consider unsteady friction (UF), Poisson coupling, axial vibration (junction coupling), gas release and viscoelasticity. The authors consider two cases: elastic pipelines and viscoelastic (VE) pipelines. The book starts with a detailed literature review on the relevant methods for calculating transient fluid flow, followed by chapters that explain the mathematical development for calculations and the numerical steps for water hammer and transient cavitation. The concluding chapters present the results for the two pipeline cases. The book is presented in simple language intended for engineering students who want to understand CFD simulations for transient flow in pipelines. Equations are explained in simple steps for easy understanding, and concepts are illustrated with detailed diagrams. The information and the codes demonstrated in the book will equip readers with the knowledge to study hydraulic problems where transients are caused by pump starting, stopping and failure.

Erosion-corrosion is a generic name of degradation phenomena which occur on the chemical plant composing metallic materials under the conditions of various flowing liquids. For example, it occurs on heat transfer pipes of seawater heat exchangers (made of copper base alloys), casings of seawater pumps (made of gray cast iron) and carbon steel pipes which transport pure water of high temperature and pressure. Pipes made of carbon steel have sufficient strength and are simple and inexpensive to process. These are commonly used to transfer de-ionized water. Sudden and fatal explosion accidents have occurred in succession due to carbon steel pipes involved in high-temperature de-ionized water transport in thermal and nuclear power plants. The phenomenon was named FAC (flow accelerated corrosion) without the exact cause being clarified. It is a strongly suspected cause of the serious accident in 1986 with four victims which arose in the Surry nuclear power plant in Virginia, U.S.A. Erosion-Corrosion is a compilation of nearly five decades of research on this theme throughout and demonstrates one true colour of this phenomenon; erosion-corrosions are not the product of the cooperation of erosion and corrosion, in which they may be generally believed, but are pure electrochemical corrosions in nature and usually occur in copper based alloys. This e-book contains descriptions on erosion-corrosion testing methods and case studies carried out on the accidents which have occurred in the real chemical plants. Testing equipment helps us to estimate the erosion-corrosion damage in the laboratory and data of successive accidents in the field allows us to study the mechanisms behind it. The mechanisms brought to light in this e-book are useful for predicting the site of incidence in chemical plants and the degree of the damage. In consequence, it is a useful tool for designing, material selection and maintenance of safer hydraulic machines and chemical plants, seawater pumps and piping in nuclear power plants.

Hydraulic Power Plants is a textbook for engineering students which explains the construction of hydraulic power plants. The book presents the theory of the working process for each part, i.e. the kinematics and molecular dynamics of liquids flowing through hydraulic machines and systems. The information is presented in a simple manner necessary for understanding their operational conditions and basic numerical relationships. The chapters explain concepts with several drawings and charts to aid the reader, along with relevant specifications, working examples and solved problems, which can be applied in designing practice and maintenance of hydroelectric power plants, pumping stations and pump installations. Hydraulic Power Plants emphasizes the need of young engineers to acquire knowledge about efficiency in using the tools for the study and design for components of hydraulic power plants such as turbines, pumps and penstocks in a straightforward format, making it an ideal reference for introductory hydraulics and mechanical engineering courses.