By precisely controlling the temperature gradients, rate of pulling and speed of rotation, it is possible to extract a large, single-crystal, cylindrical ingot from the melt.
32.
Due to physical limitations of materials and motors, limiting the maximum speed of rotation of the blades, these devices are only useful for relatively slow neutrons.
33.
Not knowing the cause of the vibration, the pilot aborted the takeoff, even though he was past the Vr speed ( the speed of rotation ).
34.
The kinetic energy of a rotating object depends on the mass of the object, the shape of the object, and the square of the speed of rotation.
35.
For example, high vibration at the frequency corresponding to the speed of rotation is most often due to residual imbalance and is corrected by balancing the machine.
36.
AMCA Standard 210 defines uniform methods for conducting laboratory tests on housed fans to determine airflow rate, pressure, power and efficiency, at a given speed of rotation.
37.
The magnitude of Vg depends on the excitation current ( Ie ) and the speed of rotation, and as the latter is fixed, Vg depends only on Ie.
38.
To prepare for maximum speed of rotation, the rider next moves the center of effort of the sail as far away from their center of mass as possible.
39.
"" It seemed to me that moderate surface velocities and speeds of rotation were essential if the turbine motor was to receive general acceptance as a prime mover.
40.
:: Thanks, as a follow-on, is there an optimum speed of rotation, or does this vary with size and shape of the yard, or the amount of remaining beer?