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What are the effects of hydraulic jump?

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The use of hydraulic jump in hydraulic engineering is not uncommon and the creation of such jumps has several purposes:

(i) Its main aim is to perform as an energy-dissipating device to reduce the excess energy of water flows.

(ii) The jump generates significant disturbances in the form of eddies and reverse flow rollers to facilitate mixing of chemicals.

(iii) During the jump formation, considerable amount of air is entrained so that it helps in the aeration of streams which is polluted by bio-degradable wastes.

(iv) It enables efficient operation of flow measuring device like flumes.

This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.

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Comments
  • owan pius October 14, 2012 at 4:42 am

    i apprecite dis work, pls keep it up.

  • srinu October 5, 2016 at 5:43 am

    Do we use this phenomenon to mix chemicals???
    or some other machines are there?

  • Abhishek kumar Singh October 21, 2016 at 12:48 am

    This site is so good for civil engineers, I like it. Thanks to help us

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