Well fins do, but pins allow flow in many directions and less likely to be blocked by debris. It's whatever fits the bill for the application, fins, ribs, pins/studs.
Well fins do, but pins allow flow in many directions and less likely to be blocked by debris. It's whatever fits the bill for the application, fins, ribs, pins/studs.
From this view you can really see how the rear leg of the front upper wishbone complements the floor leading edge:
From this angle it could be deceiving with the upper element looking like the lower element.. If they have removed it, it wouldn't surprise me given Ferrari have also gone in that direction, but I think they haven't
Maybe you are confusing what is happening. The convection is of the air blowing past the pins.Henk_v wrote: ↑02 Mar 2023, 21:34I have a shoe here fearing for his future. I hope more pictures arrive...
Regarding the pins on the caliper; at the temperatures the brakes run, heat exchange by radiation can exceed convective heat exchange. Fins are terrible at radiating as most of the surface radiates towards the neighboring fins. I can imagine the shroud being of conductive material and having pins too. The pin spacing seems to imply this. Heat will then be transferred to the shroud by radiation and is convectively transferred to to the cooling air by the shroud pins. This could mean the shroud runs a bit cooler, which may be a desirable effect.
Actually the opposite I think. They did most of testing on the more efficient spec 2 wing, with a more loaded beam wing. The upper flap on the beam wing had sort of a semi-circular upper edge when they ran it in testing. See: edit (saw you already posted the image), but I think they are running the lower DF wing, with the lower DF beamwing.AR3-GP wrote: ↑02 Mar 2023, 17:01Yes, Spec 1 has a crease in the main plane. Spec 2 is more rounded and lower df.organic wrote: ↑02 Mar 2023, 12:12https://i.imgur.com/3OHK2vU.pngnico5 wrote: ↑02 Mar 2023, 12:10
It still is a lower df wing than their medium df wing from last year. It's somewhere halfway between the two specs they used for most of the season (Bahrain and Jeddah). I don't think there's gonna be a big gap in top speed at all. Ferrari only matched RB's medium df wing speed when they introduced the RW they ran in testing this year. Now RB has gone down a notch. If anything, RB might lose out in the acceleration if Ferrari's got some engine magic to show.
You reckon spec 1 is higher df than spec 2? I can't tell. So bad at judging these things. Angle on these photos is a bit different mind you
Last season it seemed like RB often had to use a compromised wing setup at medium-high df tracks such as Bahrain and Zandvoort. Seems to me that a med-high df wing was lacking in their lineup so would make sense if the wing on the car is that one
They did most of testing on spec 1. They’ve come to the track today with Spec 2 and a smaller beam wing. Fascinating.
I'm not sure. The speed traps were only 319-320 down the main straight for Perez on Friday/Saturday. This is quite a bit down from what RB did on lower downforce (326-328).Cs98 wrote: ↑02 Mar 2023, 22:35Actually the opposite I think. They did most of testing on the more efficient spec 2 wing, with a more loaded beam wing.AR3-GP wrote: ↑02 Mar 2023, 17:01Yes, Spec 1 has a crease in the main plane. Spec 2 is more rounded and lower df.organic wrote: ↑02 Mar 2023, 12:12
https://i.imgur.com/3OHK2vU.png
You reckon spec 1 is higher df than spec 2? I can't tell. So bad at judging these things. Angle on these photos is a bit different mind you
Last season it seemed like RB often had to use a compromised wing setup at medium-high df tracks such as Bahrain and Zandvoort. Seems to me that a med-high df wing was lacking in their lineup so would make sense if the wing on the car is that one
They did most of testing on spec 1. They’ve come to the track today with Spec 2 and a smaller beam wing. Fascinating.
Wind affects a lot, also engine modes are not known. Perez was using the lower DF rear wing with the higher DF beam wing on Saturday.AR3-GP wrote: ↑02 Mar 2023, 22:46I'm not sure. The speed traps were only 319-320 down the main straight for Perez on Friday/Saturday. This is quite a bit down from what RB did on lower downforce (326-328).
I design heat exchangers for a living. I hope I'm not confused...ringo wrote: ↑02 Mar 2023, 22:22Maybe you are confusing what is happening. The convection is of the air blowing past the pins.Henk_v wrote: ↑02 Mar 2023, 21:34I have a shoe here fearing for his future. I hope more pictures arrive...
Regarding the pins on the caliper; at the temperatures the brakes run, heat exchange by radiation can exceed convective heat exchange. Fins are terrible at radiating as most of the surface radiates towards the neighboring fins. I can imagine the shroud being of conductive material and having pins too. The pin spacing seems to imply this. Heat will then be transferred to the shroud by radiation and is convectively transferred to to the cooling air by the shroud pins. This could mean the shroud runs a bit cooler, which may be a desirable effect.
Radiative heat transfer usually has to do with light emission, such as fire etc. Once the view of that light or radiation, be it IR or whatever is blocked by a body then you are mostly depending on convection to transfer heat behind the shadow of that body.
Fins are not terrible for heat transfer. That's why radiators in most applications have fins and not studs.
Both have their strengths and weaknesses, usually with studs, it's for mechanical reasons why they are selected.
You'd be surprised...