Recent content by JB312

  1. J

    Boeing Keep your seatbelt low and tight in flight, especially when seated next to a plugged door

    I'm a final-year engineering student in college and this is for a dissertation project, I don't work for Boeing ..
  2. J

    I Effects of the centre of gravity on aircraft's stability

    I'm working on a feasibility study for the integration of a liquid hydrogen storage tank for a Boeing 737-800. The tank weighs approximately 5000 kg and must be located towards the rear of the aircraft. I understand that this will shift the centre of gravity slightly further back and...
  3. J

    I Modelling Liquid Hydrogen Boil-Off Rate

    Certainly. Shape = horizontal cylinder with hemispherical end caps, volume = 30.02 m^3, initial liquid volume = 29.44 m^3, inner diameter = 2.93 m, length = 2.5 m (cylinder), relief pressure = 0.25 MPa, liquid temp = 20 K, pressure = 0.092 MPa, ambient temp = 293.15 K, insulation (MLI) thermal...
  4. J

    I Modelling Liquid Hydrogen Boil-Off Rate

    The relevant thermal conductivity, heat transfer coefficients, and thicknesses along with all other required parameters are known. I have attempted to use the online simulation tool boilFAST to simulate each scenario however, the results show a negative spike in boil-off rate which I don't see...
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