@adulau@infosec.exchange2026-01-31 08:52:27
GCVE-BCP-08 - GCVE GNA Directory File
Following some good pre-discussion at #fosdem - a first draft of the directory file specification has been updated. The goal is clarify some of the fields. Feedback is more than welcome.
@…@…
@arXiv_physicsfludyn_bot@mastoxiv.page2026-02-27 08:29:00
On the spatial structure and intermittency of soot in a lab-scale gas turbine combustor: Insights from large-eddy simulations
Leonardo Pachano, Daniel Mira, Abhijit Kalbhor, Jeroen van Oijen
https://arxiv.org/abs/2602.23155 https://arxiv.org/pdf/2602.23155 https://arxiv.org/html/2602.23155
arXiv:2602.23155v1 Announce Type: new
Abstract: This work presents a numerical investigation of soot formation in the Cambridge lab-scale gas turbine combustor. Large-eddy simulations (LES) of a swirl-stabilized ethylene flame are performed using the flamelet generated manifold method coupled with a discrete sectional model to account for soot formation, growth, and oxidation. The study aims to elucidate the mechanism governing the spatial structure and intermittency of soot, supported by comparisons with experimental data. The predicted soot distribution agrees well with measurements, with peak concentrations near the bluff body. Flow recirculation is identified as the key mechanism driving soot accumulation in fuel-rich regions, where surface reactions dominate soot mass growth. Soot intermittency arises from fluctuations in the flow field driven by interactions between the flame front and the recirculation vortex. Two soot modeling approaches are evaluated, differing in their treatment of soot model quantities: the first approach employs on-the-fly computation of source terms (FGM-C), while the second uses fully pre-tabulated source terms (FGM-T). Their predictive performance and computational cost are compared in the context of unsteady, sooting flames in swirl-stabilized combustors.
toXiv_bot_toot
@matthiasott@mastodon.social2026-02-09 00:30:04
✍️ New article: Webspace Invaders
👾👾👾👾👾👾👾👾👾👾👾👾
https://matthiasott.com/articles/webspace-invaders
@pre@boing.world2026-02-26 10:15:01
Day Five in the Improv Narrative house, and we're in the format I like most really. A few instructive games in the first half and a couple of longer narrative stories in the second half.
The island game was supposed to teach something about not deliberately getting obstructive.
A scene where your players are told they are on one island and must end up at some point all on the other one the other side of the stage.
Set a scene, make some characters, but nobody said it was supposed to be difficult to get from one island to the other.
Yet barriers are deliberately thrown up, actually imaginary barriers since the whole thing is imaginary after all. Why should there be sharks or a quest for a boat or the sea deep and cold.
You can just wade across. You can just have a boat. You can just levitate yourself over with your hive mind psychic abilities.
Unsure about this.
There must be conflict and peril and challenges which are mastered in a story, you can't set up a hero's quest only to have the hero just happen to have a holy grail in the stationary cupboard. Already got one you see. Use it for storing pens.
Still. Finding the crowbar doesn't have to be a quest. There can just be one in the boot. Don't let things get bogged down in difficulty.
Watched a story about a lazy fellow falling into a life of crime and villainy because of his tardiness and fulfilling his teacher's prophecy that he would indeed end up as a criminal if he didn't buck up his ideas. Good repeated themes of characters making lists of his failures and nice stage-focus work when everyone was on stage at once.
Played a preacher organizing a wedding in a story about friends running a hotel.
Fun to have Reverend Priest finding sin everywhere again. Easy wipe-off sin in this case. We may have come to an end too early. Perhaps not enough obstructions put in the way. 😆
#improv #london #hooplaImpro
@adulau@infosec.exchange2025-12-06 16:10:40
We’ve updated the draft GCVE BCP-05 standard to introduce flexible record types, making it easier to extend, enrich, and structure security advisories.
Comments are more than welcome!
#gcve #cve #vulnerability
