01-15-2012, 11:13 AM
Pipeflow Analysis (Developments in Water Science)
Author: David Stephenson | Size: 6.25 MB | Format: PDF | Quality: Original preprint | Publisher: Elsevier Science Ltd | Year: 1984 | pages: 214 | ISBN: 0444422838
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Book Description:
The advent of economical and simple micro computers has left no excuse f o r engineers to avoid computer solutions to problems. Hydraulic engineers now have tools f o r model I i n g steady and unsteady flows in complex pipe networks. Tedious graphical and analogue simulations can be discarded w i t h r e l i e f . This book i s aimed at the water engineer who has to design water reticulation pipe networks, trunk mains, pumping lines and storage reservoirs. The p r a c t i s i n g
engineer often tends to negelect the theoretical side, but when the occasion arises he requires a r a p i d , simple answer to problems of head loss, discharge capacity and pressures. The various computational methods a v a i l a b l e to him are summarized i n t h i s book, s t a r t i n g w i t h simple steady flow problems and advancing through slow motion to water hammer in complex networks. The subject matter w i l l also be
of use to students of h y d r a u l i c engineering and those contemplating research in t h i s f i e l d .
The i t e r a t i v e techniques f o r flow a n a l y s i s of pipe networks such as the Hardy Cross method a r e known to most water engineers and have been applied extensively without the a i d of computers. Some lesser known techniques a r e in fact simpler to a p p l y on computers, e.g. the
l i n e a r method. When i t comes to unsteady flow, e.g. water hammer, computer a n a l y s i s i s much more r a p i d than the older graphical method and can account f o r many more factors such as column separation, changes i n section and branch pipes. Numerical methods f o r computers are easy and accurate provided simple rules are followed. This book
condenses and compares various methods f o r analysing flows and pressure v a r i a t i o n s in pipelines, whether they be pumping systems o r mu1 t i p l e reservoir g r a v i t y systems. Simple BASIC computer programs are given in many chapters and these w i l l serve as a basis for more
comprehensive programs which the reader should be able to write a f t e r reading t h i s book.
I n addition to those on flow analysis, sections are given on
design of pipe systems using optimization programs, and preperation using computer simulation programs. An introduction to computer graphics i s given b u t the book does not cover s t r u c t u r a l design of pipes. That i s covered in another book b y the same author, 'Pipeline Design for Water Engineers' (Elsevier, 1981).
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