Studying three-dimensionality of vortex shedding at Reynolds numbers of 104 with MEMS sensors

J. K. Tu; Jiun-Jih Miau; Y. J. Wang; G. B. Lee; C. Lin

Studying three-dimensionality of vortex shedding at Reynolds numbers of 10⁴ with MEMS sensors

J. K. Tu, Jiun-Jih Miau, Y. J. Wang, G. B. Lee, C. Lin

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Experiments were made with 14 MEMS sensors situated along the span of a circular cylinder of aspect ratio 5. The signals of the MEMS sensors were sampled simultaneously as flow over the cylinder at Reynolds numbers of 104. The results of Wavelet analysis of the signals indicate that the percentage of time during which strong three-dimensionality of vortex shedding was detected is about 10%. As noted, strong three-dimensionality took place when the fluctuating amplitude of the. signals was severely modulated and the vortex shedding - frequency reduced was abnormally high or low. Further noted was that the addition of a splitter plate of 0.5 or one diameter in length behind the circular cylinder was not able to suppress the three-dimensionality of the flow.

Original language	English
Title of host publication	Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
Pages	17014-17028
Number of pages	15
Publication status	Published - 2006 Dec 1
Event	44th AIAA Aerospace Sciences Meeting 2006 - Reno, NV, United States Duration: 2006 Jan 9 → 2006 Jan 12

Publication series

Name	Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
Volume	22

Other

Other	44th AIAA Aerospace Sciences Meeting 2006
Country/Territory	United States
City	Reno, NV
Period	06-01-09 → 06-01-12

All Science Journal Classification (ASJC) codes

Space and Planetary Science
Aerospace Engineering

Cite this

@inproceedings{a2912a2dccb84416b5c001a7476c3a3f,

title = "Studying three-dimensionality of vortex shedding at Reynolds numbers of 104 with MEMS sensors",

abstract = "Experiments were made with 14 MEMS sensors situated along the span of a circular cylinder of aspect ratio 5. The signals of the MEMS sensors were sampled simultaneously as flow over the cylinder at Reynolds numbers of 104. The results of Wavelet analysis of the signals indicate that the percentage of time during which strong three-dimensionality of vortex shedding was detected is about 10%. As noted, strong three-dimensionality took place when the fluctuating amplitude of the. signals was severely modulated and the vortex shedding - frequency reduced was abnormally high or low. Further noted was that the addition of a splitter plate of 0.5 or one diameter in length behind the circular cylinder was not able to suppress the three-dimensionality of the flow.",

author = "Tu, {J. K.} and Jiun-Jih Miau and Wang, {Y. J.} and Lee, {G. B.} and C. Lin",

year = "2006",

month = dec,

day = "1",

language = "English",

isbn = "1563478072",

series = "Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting",

pages = "17014--17028",

booktitle = "Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting",

note = "44th AIAA Aerospace Sciences Meeting 2006 ; Conference date: 09-01-2006 Through 12-01-2006",

}

Tu, JK, Miau, J-J, Wang, YJ, Lee, GB & Lin, C 2006, Studying three-dimensionality of vortex shedding at Reynolds numbers of 10⁴ with MEMS sensors. in Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting. Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting, vol. 22, pp. 17014-17028, 44th AIAA Aerospace Sciences Meeting 2006, Reno, NV, United States, 06-01-09.

Studying three-dimensionality of vortex shedding at Reynolds numbers of 10⁴ with MEMS sensors. / Tu, J. K.; Miau, Jiun-Jih; Wang, Y. J. et al.
Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting. 2006. p. 17014-17028 (Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting; Vol. 22).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Studying three-dimensionality of vortex shedding at Reynolds numbers of 104 with MEMS sensors

AU - Tu, J. K.

AU - Miau, Jiun-Jih

AU - Wang, Y. J.

AU - Lee, G. B.

AU - Lin, C.

PY - 2006/12/1

Y1 - 2006/12/1

N2 - Experiments were made with 14 MEMS sensors situated along the span of a circular cylinder of aspect ratio 5. The signals of the MEMS sensors were sampled simultaneously as flow over the cylinder at Reynolds numbers of 104. The results of Wavelet analysis of the signals indicate that the percentage of time during which strong three-dimensionality of vortex shedding was detected is about 10%. As noted, strong three-dimensionality took place when the fluctuating amplitude of the. signals was severely modulated and the vortex shedding - frequency reduced was abnormally high or low. Further noted was that the addition of a splitter plate of 0.5 or one diameter in length behind the circular cylinder was not able to suppress the three-dimensionality of the flow.

AB - Experiments were made with 14 MEMS sensors situated along the span of a circular cylinder of aspect ratio 5. The signals of the MEMS sensors were sampled simultaneously as flow over the cylinder at Reynolds numbers of 104. The results of Wavelet analysis of the signals indicate that the percentage of time during which strong three-dimensionality of vortex shedding was detected is about 10%. As noted, strong three-dimensionality took place when the fluctuating amplitude of the. signals was severely modulated and the vortex shedding - frequency reduced was abnormally high or low. Further noted was that the addition of a splitter plate of 0.5 or one diameter in length behind the circular cylinder was not able to suppress the three-dimensionality of the flow.

UR - http://www.scopus.com/inward/record.url?scp=34250774579&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=34250774579&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:34250774579

SN - 1563478072

SN - 9781563478079

T3 - Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting

SP - 17014

EP - 17028

BT - Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting

T2 - 44th AIAA Aerospace Sciences Meeting 2006

Y2 - 9 January 2006 through 12 January 2006

ER -