Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/79640
Title: Development of 3-component force-moment balance for low speed water tunnel
Authors: Lee, Chi Seng
Lewpiriyawong, Nuttawut
Srigrarom, Sutthiphong
Nguyen, Nam-Trung
Keywords: DRNTU::Engineering::Mechanical engineering
Issue Date: 2005
Source: Lee, C. S., Lewpiriyawong, N., Srigrarom, S., & Nguyen, N. T. (2005). Development of 3-component force-moment balance for low speed water tunnel. Modern Physics Letters B, 19(28-29), 1575-1578.
Series/Report no.: Modern physics letters B
Abstract: An effort is made to develop a new 3-component force-moment balance, which is capable of measuring lift force, drag force and pitching moment of a model mounted in the water tunnel. The concept used in the balance design is the bending- beam principle. The forces acting on the spring element cause strains on its surface, which are measured by strain gauges. Since strain yielded by the axial force is usually very small, therefore it is not practical to measure axial force using strain gauge directly to sense the strain in axial direction. The main idea of the new balance design is to translate all desired forces (lift and drag) in such a way that they yield bending strain at selected strain-gauge station. This is done by using a bending balance geometry. Under this apparatus, the model wing is mounted at one of its end to the bending balance. The corresponding Lift, Drag forces and Pitching moment are translated into moments at the other end of the balance, and can be measured from sets of strain gauges in bending mode (twisting mode for pitching moment). Example readings are presented in this paper.
URI: https://hdl.handle.net/10356/79640
http://hdl.handle.net/10220/7853
DOI: 10.1142/S0217984905009948
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2005 World Scientific Publishing Company. This is the author created version of a work that has been peer reviewed and accepted for publication by Modern physics letters B, World Scientific Publishing Company. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1142/S0217984905009948.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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