Kapitaniak, MarcinVaziri, VahidPáez Chávez, JosephWiercigroch, Marian2018-08-052018-08-052018-02-01Kapitaniak, M, Vaziri, V, Páez Chávez, J & Wiercigroch, M 2018, 'Experimental studies of forward and backward whirls of drill-string', Mechanical Systems and Signal Processing, vol. 100, pp. 454-465. https://doi.org/10.1016/j.ymssp.2017.07.0140888-3270ORCID: /0000-0003-1882-2013/work/75214754ORCID: /0000-0001-9321-6334/work/157655981http://hdl.handle.net/2164/10860The authors wish to thank BG Group plc for the financial support to this research.123356078engexperimental studiesdrill-string dynamicslateral vibrationforward and backward whirlsco-existing attractorsTA Engineering (General). Civil engineering (General)Control and Systems EngineeringSignal ProcessingCivil and Structural EngineeringAerospace EngineeringMechanical EngineeringComputer Science ApplicationsTAJournal article10.1016/j.ymssp.2017.07.014http://www.scopus.com/inward/record.url?scp=85028717177&partnerID=8YFLogxK100