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Re: Consequences of non-optimal throat transition in mid and high frequency horns [message #19178 is a reply to message #19177]

Mon, 19 March 2007 17:02

Wayne Parham
Messages: 18723
Registered: January 2001

Illuminati (33rd Degree)

I have found that adapters formed with straight pipe often create a 1/4λ resonance with frequency set by the length of the adapter. This is particularly true if the interface isn't smooth, or if the flare widens rapidly at the throat. The 1/4λ resonance is also modified by by cross-section area and boundary conditions.

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[Message index]

		Consequences of non-optimal throat transition in mid and high frequency horns By: Peter Krojgaard on Mon, 19 March 2007 05:55
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Wayne Parham on Mon, 19 March 2007 10:13
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Peter Krojgaard on Mon, 19 March 2007 11:53
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Wayne Parham on Mon, 19 March 2007 17:02
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Cuppa Joe on Mon, 19 March 2007 19:46
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Peter Krojgaard on Tue, 20 March 2007 00:37
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Cuppa Joe on Tue, 20 March 2007 20:50
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Peter Krojgaard on Wed, 21 March 2007 02:22
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: DMoore on Tue, 20 March 2007 12:15
		LC Peaking By: Wayne Parham on Tue, 20 March 2007 23:25
		Re: LC Peaking By: randle on Sat, 07 April 2007 22:06
		Re: LC Peaking By: Wayne Parham on Sun, 08 April 2007 09:53
		Re: LC Peaking By: Cuppa Joe on Sun, 08 April 2007 11:25
		Re: LC Peaking By: randle on Wed, 11 April 2007 10:18
		Re: LC Peaking By: Cuppa Joe on Wed, 11 April 2007 22:02
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: randle on Thu, 12 April 2007 18:12
		Re: Consequences of non-optimal throat transition in mid and high frequency horns By: Peter Krojgaard on Tue, 20 March 2007 00:34

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