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Homework Help: TNT Overpressure and Impulse Calculation

  1. Oct 5, 2011 #1
    After looking online and checking papers I`m not closer to get a useful result. The thing is I find some many different equations and they all give totally different answers.

    [a] A wall is 3 m high and infinintly long. An explosion of 25 kg TNT is done at a distance of 10 m on the ground. What is the reflected over pressure Pr and the impulse I of the explosion on the wall? Maybe if someone would know of a could source and I`ll try again
    [/a]

    2. Relevant equations
    Z=R/W1/3
    1. P=1772/z3-114/z2+108/Z

    2. P=6784(W/R3)+93(W/R3).5




    1. gives 66.1 bar?
    2. gives 184.3 bar?
     
  2. jcsd
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