Math and cars 2.0

euroMath

1. CONNECTION THAT MOVES THE WORLD
Borna Brloši
ć
Centar izvrsnosti Koprivnica
Mentor: Ksenija Varovi
ć

2. 1886 – The first car was „born” –
invented by CARL BENZ, forever changes
the way people move and sparks the
innovation process that continues to this
day;
1893 – the first diesel engine was
invented by RUDOLF DIESEL – first truck
with build in diesel engine was
produced in 1924
•during 20th century cars, trucks and
buses has become main means of
transport

3. Today our life's are interconnected with cars, trucks and buses –
they, together with other means of transport, allow us to travel
freely so that we can meet new people, discover different cultures
and regions

4. Let’s take a look togetherLet’s take a look together

5. Each car is structured out of:

6. Geometry is a ground of all shapes that creates one car –
rectangular and square shapes, circles, trapezes and splines

7. Geometry is used to determine main characteristics of suspension
and steering

8. Small explanation

9. Car needs to have sufficient engine power to prevail all the resistance
which appears at certain speed and road conditions.

10. Engine power is created by thermodynamic process in cylinder

11. Transmission is used for
controlled application of
engine power.

12. G2
G1
G2
G1
Z1 – no of teeth of gear G1
Z2 – no of teeth of gear G2
D1 – clevelage circle diameter
gear G1
D2 – clevelage cirlce diameter
gear G2
n1 – revolution speed gear G1
n2 – revolution speed gear G2

13. Engine torque and engine revolution speed is
transferred through transmission onto car
wheels

14. Through this journey we have:
cruising nice and smoothly on different roads and gravel paths and enjoying our ride
thanks to great suspension
created explosion in combustion engine → force on piston
But does anybody know how to stop the
car before it actually runs out of fuel?
with this force we have turned engine crankshaft and created engine torque and
power
accelerated car by switching gears and pressing the throttle
turning right and left with the help of steering unit

15. We all like to read what is acceleration time for certain cars, but what about
braking distance needed to safely stop the car?

16. How do we calculate maximum braking deceleration?

17. Self driven cars, smart braking systems, maybe flying cars?
Everything is possible; behind all those future achievements of the human
kind will always be one basic ground – BEAUTY OF MATH