Recent content by jonagad

  1. jonagad

    I Error in Euler angles and quaternions

    Hi, I got a set of Euler angles and a set of quaternions, and I wanted to compare each set against its corresponding set obtained from STK, and I was wondering what would be a good indicator to measure the error between the Euler angles I got and those from stk , and the same for quaternions...
  2. jonagad

    Engineering Trying to design Wind Turbine Blades

    Ohh, I see, that´s exactly what I was doubting, thank you for responding, i will do that. This is what I have, if you want to check it out: Data: a: Axial Induction factor a´: Angular induction factor Both a and a´ usually are =0 initially. Then it´s an iterative process U_1= 5.17 m/s Ω=...
  3. jonagad

    Engineering Trying to design Wind Turbine Blades

    Hello, I'm trying to follow the instructions from the book "Aerodynamics of Wind Turbines"-Martin O.L. Hansen, to design a blade, the method it's the BEM accounting for the tip loss (Prandtl) and Glauert corrections, but I can't get it right, for the Cl (lift coefficient) and Cd (drag...
  4. jonagad

    Troubleshooting Interplanetary Cruise Calculations

    I understand that the moment of inertia is I=1/6 ma2 = ma2/6, where m= 3000kg, and a=2m, that gives a value of 2000m² for the moment of inertia, the, when applying the formula for t=sqrt(2*θ*Iz/n*F*L), where θ=180 degrees=pi, Iz=2000 m², n=4 (because you will use four attitude thrusters per...
  5. jonagad

    Troubleshooting Interplanetary Cruise Calculations

    Hello, yes, it's the same problem, but my answers are different from the ones that viii obtained, so I would like to know which ones are the right ones
  6. jonagad

    Troubleshooting Interplanetary Cruise Calculations

    Hello Viii, I would like to know what are your correct answers for this problem
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