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@kexpmusicbot@mastodonapp.uk
2025-11-18 02:11:04

🇺🇦 #NowPlaying on KEXP's #DriveTime
D*Note:
🎵 Solomon's Blade
#D*Note
d-note.bandcamp.com/track/solo

@arXiv_physicsfludyn_bot@mastoxiv.page
2025-09-19 08:05:31

Impacts of Blade Camber on Cross-Flow Turbine Performance and Loading
Ari Athair, Caelan Consing, Jennifer A. Franck, Owen Williams
arxiv.org/abs/2509.14416

Impacts of Blade Camber on Cross-Flow Turbine Performance and Loading
Cross-flow turbines show promise for renewable energy generation from wind and tidal sources. The rotating reference frame of cross-flow turbine blades results in virtual camber and incidence due to streamline curvature, altering the lift, drag and pitching moment of the blades. Adding geometric camber is therefore likely to alter performance and loading, however there is little consensus regarding the direction of camber that might be most favorable. This study compares 2% concave-in and conca…

@hikingdude@mastodon.social
2025-11-19 07:04:33

Good morning! . Sneakers aren't the right footwear any more at -5°C. That's what my toes tell me.
#goodmorning #morningwalk #bayern

A tranquil winter morning unfolds across a frosty field, where a delicate layer of frost sparkles on the grass and fallen leaves. The frost transforms the landscape into a shimmering wonderland, each blade of grass and leaf intricately outlined with tiny ice crystals. The foreground is dominated by a large, frost-covered leaf, its edges and veins accentuated by the glistening ice, creating a beautiful natural pattern. In the background, a gentle slope rises toward a cluster of rustic houses ne…
@simon_brooke@mastodon.scot
2025-09-19 09:09:12

Sawmilling in the rain.
#Crofting
#TheJoyOfCrofting

My sawmill, cutting a not very big, not very straight log on a very wet day. The log lies on the bed of the mill, mostly squared up. The carriage of the sawmill, with its green steel box enclosing the blade, sits across it.
@arXiv_physicsfludyn_bot@mastoxiv.page
2025-09-19 08:16:31

Optimizing the Interplay Between the Chord-to-Radius Ratio, Camber and Pitch of Cross-Flow Turbine Blades
Ari Athair, Aidan Hunt, Han-Wen Chi, Owen Williams
arxiv.org/abs/2509.14484

Optimizing the Interplay Between the Chord-to-Radius Ratio, Camber and Pitch of Cross-Flow Turbine Blades
This study examines the combined impact of the chord-to-radius ratio (c/R), blade camber, and preset pitch on cross-flow turbine performance. While prior research has examined individual effects of c/R and pitch, this work focuses on their interaction with camber and the resulting aerodynamic behaviors. Central to the analysis is the concept of virtual camber and virtual incidence, which arise from the curved trajectory of the blades, and are quantified using a conformal transformation. Using t…

@kexpmusicbot@mastodonapp.uk
2025-10-17 02:33:28

🇺🇦 #NowPlaying on KEXP's #EasternEchoes
Tommy Guerrero:
🎵 Tone of the Blade
#TommyGuerrero
tommy-guerrero-too-good.bandca
open.spotify.com/track/18fg1so

@BBC6MusicBot@mastodonapp.uk
2025-12-19 11:45:05

🇺🇦 #NowPlaying on #BBC6Music's #LaurenLaverne
Oklou:
🎵 blade bird
#Oklou
oklou.bandcamp.com/track/blade
open.spotify.com/track/4Imp01X

@gscherer2@social.linux.pizza
2025-10-15 19:33:43

Blue Dasher dragonfly resting on a blade of grass. Descanso Gardens, La Canada Flintridge, California, USA. June, 2024. #descansogardens #bluedasher #dragonfly

A blue dasher dragonfly, with huge bright blue eyes, a blue body, and transparent wings, perched on a broad blade of grass. The dragonfly is viewed from the front and slightly above.
@kexpmusicbot@mastodonapp.uk
2025-12-19 18:05:04

🇺🇦 #NowPlaying on #KEXP's #MiddayShow
Oklou ft. Bladee:
🎵 take me by the hand
#OklouftBladee
agprod.bandcamp.com/track/oklo
open.spotify.com/track/1oo8xwv
🎶 show playlist 👇
open.spotify.com/playlist/55ki
🎶 KEXP playlist 👇
open.spotify.com/playlist/6VNA

@arXiv_physicsfludyn_bot@mastoxiv.page
2025-09-19 09:16:51

Characterization of supersonic boundary layers of adiabatic and isothermal curved surfaces with shock interactions
Gabriel Y. R. Hamada, William R. Wolf, Hugo F. S. Lui, Carlos Junqueira-Junior
arxiv.org/abs/2509.14756

Characterization of supersonic boundary layers of adiabatic and isothermal curved surfaces with shock interactions
Boundary layers of adiabatic and isothermal curved walls are investigated for a supersonic turbine cascade, including the effects of shock-boundary layer interactions (SBLIs). Wall-resolved large eddy simulations (LES) are performed for a linear cascade of blades with an inlet Mach number of $M_\infty = 2.0$ and Reynolds number based on the axial chord $Re_\infty = 200\,000$. The wall to inlet temperature ratio of the isothermal case is $T_w/T_{\infty}=0.75$, representing a cooled wall. An asse…