Dynamic calibration of magnetic suspension and balance system for sting-free measurement in wind tunnel tests

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To avoid flow disturbance generated by mechanical supports around a model and to guarantee flow quality, a magnetic suspension and balance system (MSBS) can be used to measure aerodynamic forces and moments during wind tunnel tests. We present a dynamic method for the efficient multiple degree of freedom calibration of an MSBS. The MSBS has linear characteristics that allow it to be used as a non-contact-type balance. Moreover, the MSBS can measure multi-component external forces at the same time. The calibration results were used to measure the aerodynamic forces and moments acting on a finite wing model over various angles of attack during wind tunnel tests, allowing the aerodynamic coefficients of the finite wing model to be successfully obtained without support interference.
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Issue Date
2013-07
Language
English
Article Type
Article
Keywords

CIRCULAR-CYLINDER; FLOW; DRAG

Citation

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.27, no.7, pp.1963 - 1970

ISSN
1738-494X
DOI
10.1007/s12206-013-0513-0
URI
http://hdl.handle.net/10203/194555
Appears in Collection
AE-Journal Papers(저널논문)
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