Ferrari F14T

[turbof1]

That has to cost quite a penny to manufacture.

[Holm86]

But why Titanium?? Isn't it a bad heat conductor compared to many other and cheaper materials?

[langwadt]

But why Titanium?? Isn't it a bad heat conductor compared to many other and cheaper materials?

yeh, afaict about 10 time worse than aluminium, 20 time worse than copper

can it be made 20 times thinner?

[Crucial_Xtreme]

from Lorenzo De Luca : Ferrari F14 use Ttitanium microtube heat exchanger with two tenths of a millimeter internal diameter used to cool the V6 059/3, capable of ensuring the necessary cooling with much smaller dimensions.

Yes the exchanger tubes are on their SITE

[trinidefender]

But why Titanium?? Isn't it a bad heat conductor compared to many other and cheaper materials?

yeh, afaict about 10 time worse than aluminium, 20 time worse than copper

can it be made 20 times thinner?

Pure titanium may be 20 times worse at conducting heat than copper but I' wouldn't be surprised if they used an alloy that may be a little bit heavier but has better thermal properties

[Downforce]

http://www.docstoc.com/docs/47422685/Mi ... nt-4676305

Here is the theory...

There are several additional reasons for preferring stainless steel or superalloys over the more common heat exchanger materials: 1)They have very low thermal conductivity which may make them easier to laser weld, but most importantly reduces the internal axial conduction loss mechanism Pm, in the counterflow exchangers; 2) Their high tensile strength allows higher working pressures; and, 3) Their corrosion and high temperature strength properties are essential in many applications.

[langwadt]

But why Titanium?? Isn't it a bad heat conductor compared to many other and cheaper materials?

yeh, afaict about 10 time worse than aluminium, 20 time worse than copper

can it be made 20 times thinner?

Pure titanium may be 20 times worse at conducting heat than copper but I' wouldn't be surprised if they used an alloy that may be a little bit heavier but has better thermal properties

the tables I've found for titanuim alloys thermal conductivity just gets worse compared to pure

[Chuckjr]

Ferrari engineers are studying a system which allows to cool down the V6 taking advantage of a feature of the engines 2014: direct injection. Basically, when engine power is not required, there is absolutely no fuel and no ignition of the spark plug: air enters only through pressure from the turbo.This lead to a cooling of the piston crown, the cylinder and the combustion chamber without having to use, as they did with V8, a small amount of fuel.

I'm fairly sure all the engine manufacturers are doing this. None of them want to burn fuel they do not have and as well as that turn that fuel into heat in the engine. It is a fairly basic principle so for now it would be safe to assume all the engines do this

I dont see anything special or innovative in cutting the fuel injection either. To me its just logical to do so. And if they are doing something it could be what i has been talking about for some time which is keeping the throttle bodies open when the driver is off throttle. Eccentially a sort of cold blowing. This would have some advantages which I've written about in other threads.

If all engine manufacturers are indeed performing this function, then how come in the test videos when the Ferrari was slowing and downshifting for a corner there was very little to no engine "blip" sound at all when compared to the very loud downshifting blip heard from Merc engined cars?

Not trying to pick a fight here, just trying to understand.

[Blackout]

Can they use the Kers to blip the engine during downshifting?

Renault is cutting injection too Btw. All manufacturers will do that imo.

[langwadt]

Can they use the Kers to blip the engine during downshifting?

Renault is cutting injection too Btw. All manufacturers will do that imo.

your everyday roadcar does it if you are off the accelerator and coasting

[thisisatest]

Can they use the Kers to blip the engine during downshifting?

i asked that same question two weeks ago in the engine thread.
http://www.f1technical.net/forum/viewto ... 78#p482178
nobody replied one way or the other though.
i think theyve figured out it was more efficient to do so.

[eslam1986]

But why Titanium?? Isn't it a bad heat conductor compared to many other and cheaper materials?

Titanium is the best metal to use in this case. In most of our heat exchanger designs we use Curpo-Nickel tube which offers great thermal conductivity and is good for corrosion resistance in common applications such as hydraulic and marine oil coolers, the strength and resilience of Titanium makes it an unquestionable choice in a Formula 1 car. We are now starting to see more demand for it in ships and even Swimming Pools and the cost is coming down making it more affordable for the F1 teams too.

[Richard]

Surely corrosion is a low priority because they have such a short life? I'd expect the priority would be the smallest sized radiator for least impact on aero, hence heat transfer would be top of the list, followed by weight?

[langwadt]

Surely corrosion is a low priority because they have such a short life? I'd expect the priority would be the smallest sized radiator for least impact on aero, hence heat transfer would be top of the list, followed by weight?

yeh seems like almost opposite design criteria in a ship surrounded by water getting enough cooling isn't a big issue, getting corrosion resistance and long life is. F1 has limited capacity for best aero but life time isn't a big issue

[Sombrero]

It will be interesting to see if that cooling system will survive the Bahrein test session. It was cold in Spain and the engine wasn't running at full speed...