# The Nuclear Safeguards (Notification) Regulations 2004, Paragraph: EXPLANATORY NOTE


The feed gas enters the vortex tube tangentially at one end or through swirl vanes or at numerous tangential positions along the periphery of the tube.

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Source: https://www.legislation.gov.uk/uksi/2004/1255/schedule/part/II/paragraph/wrapper22n1 (the official version)
Page: https://openlegislation.uk/nuclear-safeguards-notification-regulations-2004/schedule/part-II/paragraph-wrapper22n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.