Posted by Wayne Parham [ 67.66.230.68 ] on April 19, 2005 at 15:32:30:
In Reply to: manipulation of horn calculation posted by DanTheMan on April 18, 2005 at 21:08:10:
Placing a horn near a boundary acts similarly to a mirror, so for example, half-space acts like twice the cross-section area of a horn in freespace. Once you get to eighth-space, you also gain length because the expansion from the apex of a corner forms a conical horn, all by itself. The corner's expansion adds length and area because it is quite literally a horn flare in toto. Grab a copy of McBean's Hornresp program and run some horn simulations because that will give you a good feel for the behavior of different horn flares in different spatial conditions.
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