NPSH | NET POSITIVE SUCTION HEAD | NPSH IN CENTRIFUGAL PUMP | NPSH ENERGY EQUATION

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  • Опубліковано 14 лис 2020
  • Hello Friends,
    In this video we are going to understand what is NPSH, what is its requirement, and how to avoid cavitation in pump using NPSH.
    #npsh, #NetPositiveSuctionHead, #NpshOfCentrifugalPump, #NPSHEnenrgyEquation, #NPSHRequired, #NPSHAvailable,
    Thank You

КОМЕНТАРІ • 37

  • @mrhs4597
    @mrhs4597 Рік тому +3

    Well , very well, to much well explain

  • @alokanand8547
    @alokanand8547 3 місяці тому +2

    Best faculty I ever found on UA-cam

  • @NIZAMKHAN-oq9ns
    @NIZAMKHAN-oq9ns 2 роки тому +3

    Thanks Sir, jitni achi tarah se aap ne explain kiya, it's awesome ....aap ke video se pahle kayi videos dekha magar aap ki tarah explain nhi kiya hai kisi ne

    • @mechanicalnexus
      @mechanicalnexus  2 роки тому

      Thank You so much Nizam for your words.. 😊🙏

  • @NabeelAhmed-zp4en
    @NabeelAhmed-zp4en 10 місяців тому +1

    amazingly explained.. keep it up

  • @studywither.shaurya3283
    @studywither.shaurya3283 Рік тому +2

    Bahoot hi achha 🙏❤️

  • @user-dg6kr2zo4s
    @user-dg6kr2zo4s 10 місяців тому +1

    thank you sir for explanation

  • @madhumitasawant261
    @madhumitasawant261 3 роки тому +4

    Hi Ashok, I hope you are safe and healthy!
    I have a question for you. You described NPSH for a open system. How would you describe it in a close system (like boiler pump, condenser water pump). What variables change in that case?

    • @mechanicalnexus
      @mechanicalnexus  3 роки тому +3

      Hi, Thank you, hope you are also safe & healthy 🙂.
      In Open system only atmospheric pressure works which is only a static head, but in closed system atmospheric pressure as well as gauge pressure both will act here, It mean Absolute pressure equals to the gauge pressure plus atmospheric pressure.

  • @mehabubmustafa3441
    @mehabubmustafa3441 Рік тому +1

    Simple explanation

  • @vikramsinghshekhawat3448
    @vikramsinghshekhawat3448 3 роки тому +2

    Sir p2/rho&g should be greater than pv/rho*g to avoid cavitation this is more correct definition for net positive suction head

  • @poobear170
    @poobear170 8 місяців тому +1

    Thank you Sir

  • @mehtafoodblogg
    @mehtafoodblogg 2 роки тому +1

    Nice vedio

  • @rkanjan
    @rkanjan 10 місяців тому +1

    dono ka difference toh negative hua na sir

  • @tarunprajapat795
    @tarunprajapat795 Рік тому

    We have three pump different npsh
    2.23,2.91,3.69
    Which one I chose

  • @rkanjan
    @rkanjan 10 місяців тому +1

    pure term ko idhar laydnge to hs negative nhi hoga kya

  • @RajeshKumar-oh9np
    @RajeshKumar-oh9np 3 роки тому +1

    What is rojo? Pg u have mentioned in formula?

    • @mechanicalnexus
      @mechanicalnexus  3 роки тому

      Pg is pressure X gravitational which is also equal to "w" means specific weight

  • @slengoslengaw8510
    @slengoslengaw8510 Рік тому +1

    Is NPSH calc applicable for closed loop systems? I only saw open loop examples and nothing for closed system

    • @mechanicalnexus
      @mechanicalnexus  Рік тому

      Centrifugal pumps characteristics by npsh need. In closed loop system, pressure lost play important role.

    • @slengoslengaw8510
      @slengoslengaw8510 Рік тому

      @@mechanicalnexus can you give an example or refer me to guide explaining Npsh for closed loop system? Thanks

  • @passions...4112
    @passions...4112 2 роки тому +1

    Sir barc ka aaj hua exam ka cut off video bnaiye please stipendary cat 1 mech

    • @mechanicalnexus
      @mechanicalnexus  2 роки тому

      Sure

    • @passions...4112
      @passions...4112 2 роки тому

      @@mechanicalnexus sir aapke hisabse kinta questions sahi hona jaruri hain??? Unreserved category ke liy

    • @mechanicalnexus
      @mechanicalnexus  2 роки тому

      @@passions...4112 uR ki post kitni hai?

    • @passions...4112
      @passions...4112 2 роки тому

      @@mechanicalnexus 6

    • @mechanicalnexus
      @mechanicalnexus  2 роки тому

      @@passions...4112 33-35 + approx... 1 seat par 5 or 10 they will call

  • @mohammedelazrak852
    @mohammedelazrak852 Рік тому

    why you don't use English for explaining siiiir..?

    • @mechanicalnexus
      @mechanicalnexus  Рік тому

      Here people want local language for easily understanding.