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Re: How much do the harmonics matter? [message #21382 is a reply to message #21379]

Fri, 16 December 2005 05:54

Martin
Messages: 220
Registered: May 2009

Master

"Harmonics are multiples of the fundamental, so F3 (aka F2 in a stopped pipe) = 40*3 = 120 Hz........ "

I think that this simple relationship is only true for straight constant area pipes. If the pipe is tapered or expanding, like a TQWT, the frequency of the harmonics will not be simple multiples of the fundamental frequency.

Martin

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[Message index]

		folded voight pipes??? By: jim denton on Sat, 10 December 2005 10:34
		Re: folded voight pipes??? By: roncla on Sat, 10 December 2005 11:56
		Re: folded voight pipes??? By: Bob Brines on Mon, 12 December 2005 08:50
		Re: folded voight pipes??? By: akhilesh on Mon, 12 December 2005 10:55
		Re: folded voight pipes??? By: Bob Brines on Mon, 12 December 2005 15:05
		Re: folded voight pipes??? By: akhilesh on Mon, 12 December 2005 16:48
		Re: folded voight pipes??? By: Bob Brines on Tue, 13 December 2005 05:55
		How much do the harmonics matter? By: akhilesh on Tue, 13 December 2005 07:30
		Re: How much do the harmonics matter? By: Bob Brines on Wed, 14 December 2005 23:51
		Re: How much do the harmonics matter? By: GM on Thu, 15 December 2005 11:13
		Re: How much do the harmonics matter? By: akhilesh on Thu, 15 December 2005 11:55
		Re: How much do the harmonics matter? By: Martin on Fri, 16 December 2005 05:54
		Re: How much do the harmonics matter? By: Bob Brines on Fri, 16 December 2005 08:13
		Re: How much do the harmonics matter? By: GM on Fri, 16 December 2005 10:19
		Re: How much do the harmonics matter? By: Bob Brines on Fri, 16 December 2005 12:04
		Re: How much do the harmonics matter? By: GM on Mon, 19 December 2005 15:31
		Re: How much do the harmonics matter? By: Martin on Fri, 16 December 2005 20:00
		I mean port. (NT) By: Martin on Fri, 16 December 2005 20:01
		Re: How much do the harmonics matter? By: Bob Brines on Fri, 16 December 2005 20:09
		Re: How much do the harmonics matter? By: Martin on Sat, 17 December 2005 05:51
		Re: How much do the harmonics matter? By: GM on Fri, 16 December 2005 09:12
		Re: How much do the harmonics matter? By: Martin on Fri, 16 December 2005 11:06
		Clarifying questions By: akhilesh on Mon, 12 December 2005 16:55
		Re: Clarifying questions By: Bob Brines on Tue, 13 December 2005 05:49
		Re: Clarifying questions By: akhilesh on Tue, 13 December 2005 07:12
		Re: Clarifying questions By: Bob Brines on Wed, 14 December 2005 23:20
		Good Information By: FredT on Tue, 13 December 2005 05:35
		Re: Good Information By: akhilesh on Tue, 13 December 2005 07:11

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