Horsepower requirement of the tugboat towing the pipeline

Discussion in 'Boat Design' started by Ali Golshani, Nov 7, 2017.

Page 3 of 3
  1. Ali Golshani
    Joined: Nov 2017
    Posts: 16
    Likes: 0, Points: 1
    Location: Tehran

    Ali Golshani Junior Member

    Thanks. Do you have any reference for Cd=1 and also Cr=1 which you have considered in your calculation?
     
    Ali Golshani, Dec 17, 2017
    #31
  2. baeckmo
    Joined: Jun 2009
    Posts: 1,666
    Likes: 675, Points: 113, Legacy Rep: 1165
    Location: Sweden

    baeckmo Hydrodynamics

    A standard reference here is: S F Hoerner; "Fluid dynamic drag" 1965.
     
    baeckmo, Dec 18, 2017
    #32
  3. Ali Golshani
    Joined: Nov 2017
    Posts: 16
    Likes: 0, Points: 1
    Location: Tehran

    Ali Golshani Junior Member

    Thanks.
     
    Ali Golshani, Dec 20, 2017
    #33

  5. Ali Golshani
    Joined: Nov 2017
    Posts: 16
    Likes: 0, Points: 1
    Location: Tehran

    Ali Golshani Junior Member

    Hi, would you please answer below question as this is very important for us. I know that you might be busy.
    "For Fs, could you please show me the detailed calculation? I can not reach to 13365 N."
    Thanks a lot and Merry Xmas.
     
    Ali Golshani, Dec 21, 2017
    #34
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