{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"c6517432883e7d557d4e16011cc25e7c580be046c52ea8d0263cafaeea8e1c63","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"d2d95c0fb602220f9bfe36d5d1b95a977ea5e61f3ba50a1a8fa25ffcf6e81c02","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"fluid.turbulent-combustion","field":"fluid","n":"1","review_cite":"Elaine S. Oran, Vadim N. Gamezo, Origins of the deflagration-to-detonation transition in gas-phase combustion, Combustion and Flame, 2007","review_link":"https://doi.org/10.1016/j.combustflame.2006.07.010","review_verified":"true","summary":"A flame in a turbulent gas wrinkles and burns faster, and under some conditions it suddenly turns into a detonation, a supersonic shock wave sustained by the burning behind it. The questions are how fast turbulent flames burn and when and how detonation starts.","title":"Turbulent combustion, flame acceleration and detonation","topic_ref":null,"why":"Engine and gas-turbine efficiency, the safety of hydrogen and mine gas, and the explosion of white-dwarf stars (type Ia supernovae) depend on turbulent flame speed and the transition to detonation."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"ff8822779d7d3829d62f794eaee78060074a7c7c5588960c0eae974a587339ac","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"4a66f6045b8264f2d0f71859ea303a48ae39392e114a534a4cf7c130ad224c10","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"FpnaiTnK3cBmNwgiD2ZgcOlIdDKVL7F-WF7Pu8fzEfelRwX7HCK8B2-w-Pnq-GUsQsbrih6QP9c6ldDbTwG4Cw"},"schema":"pubphys.envelope/1"},"record_hash":"ff8822779d7d3829d62f794eaee78060074a7c7c5588960c0eae974a587339ac","leaf_index":223}