The height of burst and the distance from ground zero above which a peak overpressure extends is given as:
d.h1 = h.d1 = W^(1/3)
where W is the yield of the explosion, in kilotons.
‘d’ and ‘h’ are the distance and height for a 1 kT yield.
Given any two of the yield W, burst h overpressure p, or distance d, proceed as follows:
[caption id="attachment_780" align="aligncenter" width="320" caption="h vs. d chart"]
- Calculate scaled height of burst: h1 = h.W^(-1/3)
- Given the scaled height h1 and the given overpressure p, calculate the distance d1 at which p is produced
- Convert scaled distance d1 to actual distance: d = d1.W^(1/3)
For any other two parameters given, proceed in a similar way.
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