All Questions
Tagged with automotive-engineering friction
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Derivation of static & kinetic friction formula
We know formula of static friction & kinetic friction = μsN and μkN.
I have searched online a lot about them.
I do know what is the formula & how to use it but I couldn’t find any article ...
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On Which Side Will The Tyre Wear Out More?
Whilst watching a F1 race recently I noticed the commentators talk about how all the cars on that race day started observing more/faster wearing down of the tyres on the front left of the car relative ...
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Effects of rolling resistance on wheel angular and vehicle longitudinal speed
The differential equation for wheel speed can be given as:
In here, $T_t$ is driving torque (not braking), $F_x$ is longitudinal force of tyre, $J_w$ is wheel inertia, $\dot{w}$ is angular speed of ...
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What is the average energy loss due to rolling friction in contemporary motor vehicles?
Around what percent of energy provided by gasoline is lost as heat due to rolling friction in vehicles? Is this number higher for larger vehicles likes trucks than smaller vehicles like bikes?
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What is the minimum frictional force required for a vehicle to operate smoothly, retain traction, and prevent any skids?
I am not looking for a specific number of course. I know that it may perhaps vary with different vehicles. However, I'm trying to figure out how to theoretically calculate the minimum necessary ...
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how to calculate required torque and rpm to through a 160 gram cricket ball horizontally at 160km/h velocity?
I am going to design a bowling machine. In this design, I'm going to use two motors that are being placed vertically and their shaft are attached with two horizontal identical wheels with a space of ...
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Pacejka "Magic Formula" tire models origin of the name
It might be a little off topic but I'm trying to find source for why is that model called magic formula? I read that it's a simple function of commonplace functions, a data fitting. Is it simply an ...
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Pacejka Formula - natural values
For my racing game I am using a simplified Pacejka Magical Formula:
$\mu_{lateral} = \mu_{0} * \mu_{1} * D * \sin(C * \arctan(B * x - E * (B * x - \arctan(B * x))))$
Where:
$\mu_{lateral}$ is ...
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