MWH Soft Ships Transient Flow Analysis Textbook

MWH Soft announced the release of Pressure Wave Analysis of Transient Flow in Pipe Distribution Systems - a resource for anyone involved in the design, operation and protection of water distribution systems.

The first of its kind, this modern, comprehensive textbook presents an innovative and highly efficient approach for modeling and controlling hydraulic transients in large and complex piping systems - one that can be directly applied to engineering practice.

From a review of basic hydraulic transient principles to sophisticated transient flow and pressure calculations, this instructional volume covers everything students, professional engineers, managers, modelers, health department officials, government agencies, consultants, and researchers need to know to reliably address transient flow situations in the large, complex pipe distribution systems that are so critical to sound engineering design. Special emphasis is placed on the mechanisms of pressure wave propagation and dissipation in these systems, and why an understanding of pressure wave action is such an invaluable tool for evaluating system vulnerability to pressure surges.

Anticipating and controlling transient response is critical in ensuring the protection, integrity, and effective operation of drinking water distribution systems. Transient responses can introduce pressures of sufficient magnitude (upsurge) to burst pipes and damage equipment. The resulting repercussions can include loss of property and life. Transient responses can also produce sub-atmospheric pressures (downsurge) that destroy seals and allow dirty water and pathogens into the system, leading to grave health consequences.

Written by leading industry experts, Pressure Wave Analysis of Transient Flow in Pipe Distribution Systems covers theoretical scientific foundations, advanced technological issues, and real-world modeling application solutions. It builds on basic hydraulic theory to give engineers the confidence to solve their own transient flow problems. The text is supported by extensive computer graphical tools that illustrate pressure wave actions at various network components, greatly enhancing the reader's visualization and understanding of transient pipe flow. Once these concepts are understood, the reader should be able to adapt them to any piping system in any particular situation.

The text also includes a basic but powerful computer model for transient flow analysis in both simple and complex pipe systems. It presents examples which show that solutions produced by simple wave analysis are virtually identical to those obtained using the more complex traditional technique - while requiring orders of magnitude fewer calculations. The computational advantages of this approach mean that transient analysis can be efficiently carried out on large representative networks without model simplifications and skeletonization, which require additional effort and can adversely affect results.

The unparalleled scope and specific focus of the book make it an essential addition to any engineering reference library. Chapter-by-chapter coverage includes reviews of unsteady flow and basic transient equations and solution techniques; pressure wave analysis using the rigorous and highly efficient Lagrangian Wave Characteristic Method; cavitation analysis; and analysis of network hydraulic components (e.g., pumps including normal operation and four quadrant characteristics, valves) and surge control devices. Also addressed are computer modeling of transient flows; demonstration examples; method of characteristics; examples and comparisons of methods; graphical wave propagation and analysis computational tools; graphical calculation tools (valve stroking, resistance calculation, wave speed calculation, head-flow characteristic calculation); and C computer program listings. Eight appendices complete the volume.

"Because of the complexity of the traditional approach, the topic of transient flow in piping systems often gets short shrift in undergraduate and graduate engineering curricula. The use of pressure wave analysis will allow this important topic to be properly covered," said Dr. Don J. Wood, Professor Emeritus at the University of Kentucky, a world-renowned hydraulic modeling expert and the senior author of the book. "Combining theory with hands-on computer modeling, Pressure Wave Analysis of Transient Flow in Pipe Distribution Systems features the most complete and up-to-date information about water distribution transient modeling, and offers an enriching educational experience, even to readers new to the water industry. This knowledge will greatly assist industry professionals in designing, maintaining and operating safe, reliable water systems and continuing to earn the public trust."


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