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A 2in-diameter steel propeller shaft of an experimental high-speed boat transmits 2500hp at 2000rpm. Bending and axial loads are negligible. a) What is the nominal shear stress at the surface? b)If a hollow shaft of inside diameter .9 times outside diameter is used, what outside diameter would be required to give the same outer surface stress? c) How do the weights of the solid and hollow shafts compare?
stone mix concrete slabs are used to absorb thermal energy from flowing air that is carried from a large concentrating
the atmosphere is stable with a lapse rate of -0.2 degree c100 m. the surfaces air temperature is 15 degree c. a parcel
minimum weight design of a variable shape three-bar truss.numerical solution using the matlab optimization toolbox
what is comb drive actuator simulation steps in ansys software?
the figure below shows the geometrical stress concentration factor k for a flat bar loaded in uniaxial tension. the
Determine the average luminous exitance of the opaque interior surfaces of the room - what is the reflected component at this point?
Determine the resulting change
Consider a supersonic wind tunnel with test section Mach number of 2 and fixed geometry diffuser designed to operate with minimum stagnation pressure losses (smallest diffuser area).
A train accelerates uniformly along a straight track and passes three trackside markers. The distance between the first two markers is equal to 0.25 km and between the second and third the distance is 0.4km
Use potential flow theory to determine the lift coefficient of a spinning baseball in terms of the forward velocity (V ) and spin RPM.
Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for BCC chromium when monochromatic radiation of wavelength 0.0711 nm is used.
Sketch the frequency response of the system. Overlay the frequency spectrum of the excitation and as you start the system up, increasing Ω from 0 to 60 rpm, what speeds are most likely to excite large amplitude response? Why?
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