Advertisement
Help Keep Boards Alive. Support us by going ad free today. See here: https://subscriptions.boards.ie/.
If we do not hit our goal we will be forced to close the site.

Current status: https://keepboardsalive.com/

Annual subs are best for most impact. If you are still undecided on going Ad Free - you can also donate using the Paypal Donate option. All contribution helps. Thank you.
https://www.boards.ie/group/1878-subscribers-forum

Private Group for paid up members of Boards.ie. Join the club.
Hi all, please see this major site announcement: https://www.boards.ie/discussion/2058427594/boards-ie-2026

Calculating power requirements for AC Motor

  • 26-01-2010 03:09AM
    #1
    iii Stevo iii
    Registered Users, Registered Users 2 Posts: 285 ✭✭


    I am trying to determine the power requirements for an AC Motor for 2 types of wavemakers; Plunger and Flap.

    Attached is the layout of the plunger mechanism.

    The formulas that I think might be involved in solving this problem are below:
    P.E = mgh
    W= F x d
    Power= W/time
    Pressure= F/ area

    What I know(guesstimates to try help me understand the problem) :
    Volume of plunger =.125m3 => amount of water displaced by plunger = 125kgs of water
    Distance = 50cm = plunger moves from start position 50cm downwards.
    Time= 1 sec for plunger to move downward 50cm.
    10000kg of water in the tank.

    What I dont know:
    How is Force calculated in this situation
    Which of the above formula(if any) can be used in figuring this out

    Any idea anyone?


Advertisement