Download Energy Dissipators and Hydraulic Jump by Willi H. Hager PDF

By Willi H. Hager

Stilling basins utili z ing a hydraulic leap for strength dissipation are w i d e l y utilized in hydraulic engineering . D a Vinci was once the 1st to explain the hydraulic bounce, and Bidone performed classical experiments approximately a hundred and seventy years in the past . Stilling basins w e r e constructed within the thirties with signif- cant layout advancements being made over the past sixty years . even supposing w e l l - a c c e p t e d directions for a profitable layout are shortly to be had, the data for the layout of such dissipators isn't but compiled in publication shape . This e-book offers state of the art details on hydraulic jumps and associat ed stilling basins . a wide numbe r of papers at the to images are reviewed. T h e current tendencies of the paintings of designing a stilli ng basin are mentioned and concepts for destiny learn are defined. layout standards and recommendat ions are usually given . even if, this could now not be regarded as a r eady-to -use guide because the layout of a good stilling basin is way extra comple x than following basic layout steps . The publication is split into elements. half 1 on hydraulic jumps is c- prised of chapters 2 to five. half 2 which include chapters 6 to fourteen offers with quite a few hydraulic constructions used to expend strength. The lists of notation and references are supplied in each one half individually even though an identical notation is u sed throughout.

Show description

Read Online or Download Energy Dissipators and Hydraulic Jump PDF

Similar waste management books

Element recovery and sustainability

Elevated intake of digital gear has introduced with it a better call for for infrequent earth components and metals. including to this is often the expansion in low carbon applied sciences resembling hybrid gas autos. it truly is estimated that the worldwide offer of infrequent earth parts may possibly quickly be exhausted. A sustainable method of the use and restoration of infrequent earth parts is required, and this ebook addresses the political, monetary and examine agendas relating them.

Basic Water and Wastewater Treatment

This quantity goals to mix the purposes of easy programming in easy with an realizing of these facets of water/wastewater therapy engineering that are expressed by means of mathematical relationships or which require a decision-making series. Waste and wastewater remedy is a crucial region of engineering and the subjects chosen illustrate the multidisciplinary elements of the topic.

Underground. The Way to the Future

Underground – find out how to the longer term used to be the motto of the area Tunnel Congress 2013 in Geneva, Switzerland. using underground area has received value over the last years a result of large worldwide urbanization, the excessive call for on transportation capacities and effort construction. All this lead to a much wider variety of use of underground house: along with the normal street, railway, metro and application tunnels, increasingly more different functionalities of contemporary lifestyles are put less than flooring so as to unfastened the skin for different makes use of.

Waste Energy for Life Cycle Assessment

This e-book presents technical info and knowledge on unconventional- and inactive power assets. After reviewing the present worldwide power scenario, person chapters talk about fossil gasoline assets and renewable power assets. It makes a speciality of destiny strength platforms and explores renewable strength situations together with water power and tool, biofuels and algae strength.

Additional resources for Energy Dissipators and Hydraulic Jump

Example text

Their results apply to part ially developed flow . For undeveloped approach ing CLASSICAL HYDRAULIC JUMP 31 fl o w, Pm may decrease to half t he value as previousl y considered . More intere sting in t h e present context i s the d imensionles s c o o rd i na t e X l e n g th x/ L* which ma y be r e g ar d e d as a simil arit y parameter . = r Abd ul Khader a n d Elango (1 9 74 ) u s e d h individual c u r v e s for each F i n s t ea d of L; fo r scal ing , and 1 res u lted . 3L * f rom the toe .

027E? 1) may be approximated {2 '10 0. 4) 44 CHAPTER 3 The length of jump as obser ved b y Br adle y a nd Pet e r k a (19 5 7 e) may b e a p proxima t e d a s 4 e xp( -~ ) (3 . 5 ) ,', in wh i c h L. is the length of a c lassical jump according to Eq . 12 ) . J 0 Equat ions ( 3. 5 ) apply to bo t t o m slopes tg0 <0. 30 ( 0 (17 ) . 3 Notation for Eq ua tion (3. 4) may als o be applied to D- jumps wh e r e h i s no w the 2 flo w depth at the end of the jump , measured verti call y from the sloping bo ttom to t h e surface .

J ets , as a lr ea dy observed fo r the cl ass ical hydrauli c jump . 3 . 1 0 b ) . 2 ... 8 v . 4 . 10 20 30 " T 40 .. 10 Dec ay of Ma x i mum Str e a mwise Velocit y . a) ~ ( X ), an d b ) u / V ( X ) . M 1 ( --) Class ical Hyd raul i c Jump a nd ( ---) C l ass i c a l Ac c o r d i n g to Raj a r at n a m a n d Murahar i (1974). 1: 0 0 30 0 : Wall J e t ( ... ) E ( . 4 2: (,,) A-J u mp (Kawa g o s hi & Ha ge r , 199 0) . 51 SLOPING JUMP ~/N1 i n wh i ch 01 c or r e s po n d s to th e dis t an ce f r o m a s a fun ction of X u /2 , a n d rJu/iJz < O.

Download PDF sample

Rated 4.10 of 5 – based on 20 votes