Lecture 6 Flashcards
Aerodynamics of Commercial Vehicles: Trucks (11 cards)
1
Q
What is the definition of a commercial vehicle?
A
Any type of motor vehicle used for transporting goods or paying passengers.
2
Q
What are the two main parts of a truck?
A
Tractor and trailer.
3
Q
Which front is more favorable to low drag, long nose or flat nose?
A
Long nose.
4
Q
Why are the noses different between europe and na?
A
Length legislations.
5
Q
What is the biggest reason for truck aerodynamics?
A
Fuel consumption.
6
Q
True or False: Trucks are not bluff bodies
A
False
7
Q
What type of drag dominates the trucks?
A
Pressure drag
8
Q
What makes the friction drag increase?
A
Length of the body.
9
Q
What is the most common solution to improve the aerodynamic drag?
A
Cab shape
10
Q
What are the three ways to change the cab shape?
A
Front screen angle, wedge shape, front corner radius
11
Q
A
