Accepted Manuscript Experimental and 3D CFD analysis on optimization of geometrical parameters of parallel vortex tube cyclone separator Seyed Ehsan Rafiee, M.M. Sadeghiazad PII: S1270-9638(16)31345-1 DOI: http://dx.doi.org/10.1016/j.ast.2016.12.014 Reference: AESCTE 3863 To appear in: Aerospace Science and Technology Received date: 21 October 2014 Revised date: 2 August 2016 Accepted date: 21 December 2016 Please cite this article in press as: S.E. Rafiee, M.M. Sadeghiazad, Experimental and 3D CFD analysis on optimization of geometrical parameters of parallel vortex tube cyclone separator, Aerosp. Sci. Technol. (2016), http://dx.doi.org/10.1016/j.ast.2016.12.014 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.