A motor vehicle has a mass of 1200kg and the road wheels have a radius of 360mm. The engine rotating parts have a moment of iner
tia of 0.36kgm2 and the four wheels together have a moment of inertia of 4.8kgm2. The gear ratio from engine to back axle is 6 and when the vehicle speed is v m/s, the engine torque available for propulsion is 82Nm and the resistance to motion is (240 +0?)N. Determine the acceleration of the vehicle at a speed of 15m/s on a level road and the time required to increase the speed of the vehicle from 15 to 25m/s
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comparing the standard approximation with the plot attached we can tune the PI gains so that the desired response is obtained. this is because the time requirement of the setting is met while the %OS requirement is not achieved instead a 12% OS is seen from the plot.
attached is the detailed solution and the plot in Matlab
Usually, hoods have what is called "Crush Zones" underneath the panels. The function of the Crush Zone is to prevent the hoods, during a collision, from entering into the passenger space.
The crush zones allow the hoods to fold instead.
Technician B is right.
Automobile producers now make use of a hybrid form of hood that consists of fiberglass reinforced with plastic.
They are mostly used for trucks that have a low volume of production.
The hood is built using a process called Resin Transfer Model (RTM).
See the link below for more about automobile engineering:
Explanation:Moving air has a force that will lift kites and balloons up and down. Air is a mixture ... Here is a simple computer simulation that you can use to explore how wings make lift. ... All these dimensions together combine to control the flight of the plane. A pilot ... When the rudder is turned to one side, the airplane moves left or right.
The shear stress at any point is proportional to the velocity gradient at any that point. Since the fluid that is in contact with the pipe wall shall have zero velocity due to no flow boundary condition and if we move small distance away from the wall the velocity will have a non zero value thus a maximum gradient will exist at the surface of the pipe hence correspondingly the shear stresses will also be maximum.
