Modares Mechanical Engineering

Modares Mechanical Engineering

Investigation of temperature variation effect in -100 C to +100 C on the behavior of torsion springs

Document Type : Original Research

Authors
Alireza Ehsani 1
Kamal Jahani 2
Adel Pourtaghi 3
1 Graduated as Ms in Mechanical Engineering, University of Tabriz
2 Faculty member of Mechanical Engineering Department, University Of Tabriz
3 Engineer of Mechanical Engineering, Space Thrusters Research Institute, Tabriz,
Abstract
Nowadays, torsion springs are used widely in aerospace equipments. In most of gravity gradient booms and some of solar panel extruders, torsion springs plays an important role in expanding these mechanisms. Since these mechanisms are constantly exposed to severe thermal gradients during orbital circulation and because of sensitivity of these mechanisms, it is important to identify the behavior of their elements under temperature variations. Therefore, in this study, the effect of temperature and its variation on these springs and their performance are investigated analytically and experimentally. To investigate the torsional behavior of the spring, an specific test setup is designed and constructed. This test train includes power transmission, temperature control chamber, temperature controller and torque meter. Torsion springs are selected from hard drawn spring steel. At the temperature range of to ,the effect of temperature variation on the produced torque due to different forced torsion angles are investigated. As well as the spring constant variation with temperature is obtained and compared with analytically obtained data. The obtained results validate the consistency and accuracy of the analytical modeling and the applied experimental test train and procedure.
Keywords
Torsion spring
Torque
Torsion angle
Aerospace mechanisms
Effect of hot and very cold temperature variations

Subjects

[1] Duthil, P., Material properties at low temperature. arXiv preprint arXiv:1501.07100, 2015.
[2] Gilmore, D.G. and M. Donabedian, Spacecraft thermal control handbook: cryogenics. Vol. 2. 2003: AIAA.
[3] Khademi A., Jahani K., Farhang F., Experimental, theoretical and numerical investigation of temperature effects on load-deflection behavior of tape spring, Journal of Theoretical and Applied Mechanics Bolgaria, Vol. 51. 2021
[4] Soboyejo, W., Mechanical properties of engineered materials. Vol. 152. 2002: CRC press.
[5] Weiguo, H., et al., Failure analysis of aviation torsional springs. Chinese Journal of Aeronautics, 2011. 24(4): p527-532
[6] Valles González, M.P., M. García-Martínez, and A. Pastor Muro, Study of a torsion spring fracture. Engineering Failure Analysis, 2019. 98: p. 150-155.
[7] Muñoz-Guijosa, J.M., et al., Generalized spiral torsion spring model. Mechanism and Machine Theory, 2012. 51: p.110-130.
[8] Zubov, L. Exact nonlinear theory of tension and torsion of helical springs. in Doklady Physics. 2002. Springer.
[9] Babenko, A., B. Soltannia, and P. Shakeri Mobarakeh, Solving geometrically nonlinear problem on deformation of a Helical spring throug variational methods. International journal of Mechanics and applications 2018. 8: p.21–24
[10] W.G.Jiang, J.L. Henshall, A novel finit element model for helical springs 2000.35: p.363-377
[11] R. G Budynas,. and , J. K Nisbett, Shigley’s mechanical engineering design, 8th edition, 2008 , McGraw-Hill, Boston.
[12] The engineering toolbox (2005). Young modulus of elasticity for metals and alloys http://www.engineeringtoolbox.com/young-modulus -d773.html-.
Modares Mechanical Engineering
Volume 21, Issue 5
April 2021
Pages 307-314