Recent content by Ian Limjap

  1. Ian Limjap

    Fluid Mechanics: Tank problems.

    Homework Statement In the attached file. Homework Equations P1/rhoe+v1^2/2+gh1=P2/rhoe+v2^2/2+gh2 The Attempt at a Solution I do not know how to begin it; however, I think part(iii) is the same as part (iv)[/B]
  2. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    I did my calculations again and I ended up with 100m.
  3. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    I got about 100m.
  4. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    I apologise for the confusion I wasn't really given an answer for this.
  5. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    I used the mean of the bulk inlet and outlet temperatures and used that to find the properties of the fluid.
  6. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    Hi, my answer is L=0.0165m
  7. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    Again, thanks for replying.
  8. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    I ended up with L=(0.023Re^0.8Pr^0.4kA(Tw-T))/q
  9. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    Thanks for replying.
  10. Ian Limjap

    Tube length to heat water from 20 to 40°C with 90°C wall temperature

    Homework Statement Water flowing at the rate 3.5 kg s−1 through a tube with an inner diameter of 2 cm is to be heated from 20 to 40◦C. If the tube wall temperature is maintained at 90◦C, determine the length of the tube required. Homework Equations Q'=Cp*m*(DeltaT) Q=2*pi*r*L*Q' The Attempt...
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