Resonance in closed end Pipe

With the help of URL link at Hyperphysics, values for first , third and fifth fundamental frequencies are noted.

These frequencies are for round pipe with one end closed. However, these are applicable for open ended pipe as well.

http://hyperphysics.phy-astr.gsu.edu/hbase/Waves/opecol.html

Frequencies (Hz) are listed in columns F1 , F3 and F5

 

Temperature in degree Celsius			50
Speed of Sound in Air ( m/s )			362
#	Length (cm)	F1	F3	F5
1	5	1810	5430	9050
2	10	905	2715	4525
3	15	603	1810	3016
4	20	452	1357	2262
5	25	362	1086	1810
6	30	301	905	1508
7	35	258	775	1292
8	40	226	678	1131
9	45	201	603	1005
10	50	181	543	905

Temperature in degree Celsius			26
Speed of Sound in Air ( m/s )			347
#	Length (cm)	F1	F3	F5
1	5	1736	5210	8684
2	10	868	2605	4342
3	15	578	1736	2894
4	20	434	1302	2171
5	25	347	1042	1736
6	30	289	868	1447
7	35	248	744	1240
8	40	217	651	1085
9	45	192	578	964
10	50	173	521	868

Temperature in degree Celsius			20
Speed of Sound in Air ( m/s )			343
#	Length (cm)	f1	F3	F5
1	5	1718	5155	8592
2	10	859	2577	4296
3	15	572	1718	2864
4	20	429	1288	2148
5	25	343	1031	1718
6	30	286	859	1432
7	35	245	736	1227
8	40	214	644	1074
9	45	190	572	954
10	50	171	515	859

Temperature in degree Celsius			10
Speed of Sound in Air ( m/s )			337
#	Length (cm)	F1	F3	F5
1	5	1688	5064	8440
2	10	844	2532	4220
3	15	562	1688	2813
4	20	422	1266	2110
5	25	337	1012	1688
6	30	281	844	1406
7	35	241	723	1205
8	40	211	631	1055
9	45	187	562	937
10	50	168	506	844

Length of closed pipe one end - 15 cm
#	Temperature (C)	F1
1	50	603
2	26	578
3	20	572
4	10	562

When only 1 frequency is used as a source, length of air column in a pipe at which f1,f3,f5 occur.

Temperature in degree Celsius			26
Speed of Sound in Air ( m/s )			347
#	Frequency	L for f1 (cm)	L for f3 (cm)	L for f5 ( cm )
1	1500	5.7	17.3	28.9
2	1000	8	26	43
3	900	9	28	48
4	800	9.6	28.9	48.2