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Separative power of the optimized concurrent gas centrifuges equals to $\\delta U=12.7(V/700~{\\rm m/s})^2 (300 ~{\\rm K}/T)L, ~{\\rm kg ~SWU/yr}$, where $L$ and $V$ are the length and linear velocity of the rotor of the gas centrifuge, $T$ is the temperature. This formula well agrees with an empirical separative power of counter current gas centrifuges. The optimal value of the separative power is not unique on the plane $(p_w,v_z)$, where $p_w$ is pressure at the wall of the rotor and $v_z$ is ax"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1506.00823","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-06-02T10:02:32Z","cross_cats_sorted":[],"title_canon_sha256":"e4aa724cecda8446ee59d8280113b4d1a31d90b82b6240eef0c429e259b62624","abstract_canon_sha256":"4ef56f6b97855ac96058a6d77dbae709fa1abc2b9053b6dda26501314c0012af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:34.415084Z","signature_b64":"QIvHIwVHAkmRq2kyCWTuGyricRP8sgG88tNOhxXstJ+NpPyAUMspydIeSRMPvts/KhFTIa/JcW4b8MeRR6UfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbc0f77e11cad6807460fb4da10a2185951506f4437244bdad9ea347a14d4f92","last_reissued_at":"2026-05-18T01:59:34.414382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:34.414382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Separative power of an optimised concurrent gas centrifuge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"S.V. 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