{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:UJRF7N23UM3HK43RVJUO2SPYG2","short_pith_number":"pith:UJRF7N23","schema_version":"1.0","canonical_sha256":"a2625fb75ba336757371aa68ed49f836861b2b0f0036e3e5a8ebe6907606b914","source":{"kind":"arxiv","id":"1507.07022","version":1},"attestation_state":"computed","paper":{"title":"The effect of Reynolds number on inertial particle dynamics in isotropic turbulence. Part II: Simulations with gravitational effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Andrew D. Bragg, Lance R. Collins, Peter J. Ireland","submitted_at":"2015-07-24T21:32:00Z","abstract_excerpt":"In Part I of this study, we analyzed the motion of inertial particles in isotropic turbulence in the absence of gravity using direct numerical simulation (DNS). Here, in Part II, we introduce gravity and study its effect over a wide range of flow Reynolds numbers, Froude numbers, and particle Stokes numbers. We see that gravity causes particles to sample the flow more uniformly and reduces the time particles can spend interacting with the underlying turbulence. We also find that gravity tends to increase inertial particle accelerations, and we introduce a model to explain that effect.\n  We the"},"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":"1507.07022","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2015-07-24T21:32:00Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"bee1cc97254df9207a15e0a7563ff43d181c225004dfaaa2214e0c923f915a42","abstract_canon_sha256":"1e9eac431e777a00b92e510ad40bd8cf986662278b470eb40a2dfd46a3f1df96"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:03.810405Z","signature_b64":"b1iriOiApseejk5chHQBHrPlrFZAWYEfloM7yi+43JWcO3itkLqDvItiSYd6F4fZP+fLUMC+UaS0yt1BymoaDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2625fb75ba336757371aa68ed49f836861b2b0f0036e3e5a8ebe6907606b914","last_reissued_at":"2026-05-18T01:14:03.809843Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:03.809843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The effect of Reynolds number on inertial particle dynamics in isotropic turbulence. Part II: Simulations with gravitational effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Andrew D. Bragg, Lance R. Collins, Peter J. Ireland","submitted_at":"2015-07-24T21:32:00Z","abstract_excerpt":"In Part I of this study, we analyzed the motion of inertial particles in isotropic turbulence in the absence of gravity using direct numerical simulation (DNS). Here, in Part II, we introduce gravity and study its effect over a wide range of flow Reynolds numbers, Froude numbers, and particle Stokes numbers. We see that gravity causes particles to sample the flow more uniformly and reduces the time particles can spend interacting with the underlying turbulence. We also find that gravity tends to increase inertial particle accelerations, and we introduce a model to explain that effect.\n  We the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.07022","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1507.07022","created_at":"2026-05-18T01:14:03.809944+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.07022v1","created_at":"2026-05-18T01:14:03.809944+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.07022","created_at":"2026-05-18T01:14:03.809944+00:00"},{"alias_kind":"pith_short_12","alias_value":"UJRF7N23UM3H","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"UJRF7N23UM3HK43R","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"UJRF7N23","created_at":"2026-05-18T12:29:44.643036+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2","json":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2.json","graph_json":"https://pith.science/api/pith-number/UJRF7N23UM3HK43RVJUO2SPYG2/graph.json","events_json":"https://pith.science/api/pith-number/UJRF7N23UM3HK43RVJUO2SPYG2/events.json","paper":"https://pith.science/paper/UJRF7N23"},"agent_actions":{"view_html":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2","download_json":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2.json","view_paper":"https://pith.science/paper/UJRF7N23","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.07022&json=true","fetch_graph":"https://pith.science/api/pith-number/UJRF7N23UM3HK43RVJUO2SPYG2/graph.json","fetch_events":"https://pith.science/api/pith-number/UJRF7N23UM3HK43RVJUO2SPYG2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2/action/storage_attestation","attest_author":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2/action/author_attestation","sign_citation":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2/action/citation_signature","submit_replication":"https://pith.science/pith/UJRF7N23UM3HK43RVJUO2SPYG2/action/replication_record"}},"created_at":"2026-05-18T01:14:03.809944+00:00","updated_at":"2026-05-18T01:14:03.809944+00:00"}