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tendolm
tendolm
Last Activity: Mar 17 '09, 06:06 AM
Joined: Mar 13 '09
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  • tendolm
    replied to Applying heat flux on a tube surface (3D)
    in C
    Dear friends
    I have put my problem only in C++ so that you can be able to assist me. Please may you help me to:
    1.write corectly the formular to determining Atb. It is supposed to be
    Atb = a0 + a1exp(-k/cos_thetaz); With what I have done am getting wrong answers.
    2. for a given value of n be able to print a table of p ie value of (x,y,z), h, n,
    3. develop a code such that for the same value of n, I can calculate...
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    • tendolm
      replied to Applying heat flux on a tube surface (3D)
      in C
      It understand lines, and x is catered for in
      x[ND_ND] and my problem is to take into account the values of z and y for the constant x.
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      • tendolm
        replied to Applying heat flux on a tube surface (3D)
        in C
        All this other information you are not familiar with is used in a computational fluid dynamics package (Fluent) where I am going to interprete my code. To assist me try to develop a code that assigns heat of 500W/m2 to the line in C++. If I get that one correct I can then make necessary changes to suit Fluent.
        For exampleto apply heat to a point I use the code below.

        #include "udf.h"

        /* profile for heat...
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        Last edited by tendolm; Mar 13 '09, 09:06 AM. Reason: Had left out some information

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        • tendolm
          replied to Applying heat flux on a tube surface (3D)
          in C
          My equation of line is
          x=87.5
          y= 126.162-(1004.082)t
          z=166.162-(-1004.088)t

          and 0<<t<=1.
          I want to develop a code that applies heat to this line.
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          • tendolm
            replied to Applying heat flux on a tube surface (3D)
            in C
            I think let me take you back. The line on which I want to apply heat has the following starting point (87.5, 126.162, 166.162) and end point (87.5, -877.92, 1170.25) . I have been adviced that what I have in my code is describing a point not a line, Do you know I develop equation of this line? If this is solved then I can move on to my previous question.
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            • tendolm
              started a topic Applying heat flux on a tube surface (3D)
              in C

              Applying heat flux on a tube surface (3D)

              I want to apply heat on a tube surface (3D). The heat is to be applied on a straight line on the tube. The equation of line is
              x= 87.5
              y = 126.1620 + (-1*1004.0820)
              z= 166.1620 + (-1*-1004.0880)

              Since x is constant is given asposition holder, real x[ND_ND];
              For this constant value of x, heat is appiled on the line with the equation above. (If y and z are satisfied.
              I have created my code below and...
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