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A shaft with a diameter of 100 mm rotates at 1500 rpm. A fluid-film bearing is designed to support a 5 kN load. Assume the bearing's L/D ratio is 0.5, and the clearance is 0.5 mil. The lubricant used is SAE 40 oil with an inlet temperature of 40 °C.What is the maximum pressure within the oil film and its angular location?
a 16 kg mass of copper is dropped into an insulated tank which contains water at 20oc and 1 bar. the initial
a thin plastic membrane is used to separate helium from a gas stream. under steady-state conditions the concentration
the united states produced 51 of its electric grid energy from coal fired power plants in 2001. this electricity from
the arrhenius equation was originally developed for comparing rates of chemical reactions. compare the rates of a
a rock climber of weight w has a rope attached a distance h below him for protection. suppose that he falls and assume
Water drips at the rate of 5 drops per second from a leaking tap. Determine the vertical distance between two consecutive drops after the lower drop has attained a velocity of 3 m/s.
a sand core used to form the internal surfaces of a steel casting experiences a buoyancy force of 23 kg. the volume of
two tempered steel bars each 316 in thick are bonded to a 12 in mild steel bar. this composite is subjected as shown to
nitrogen at 900kpa and 300oc is expanded adiabatically and reversibly in a closed system to 100kpa. determine the
problem 110degc water is flowing in a 10-mm diameter smooth tube. the mass flow rate of the water is 0.15 kgs. the
Two equal masses are connected on either side of a pulley. One of the masses rests on an inclined plane with angle of inclination of b. The other one hangs in mid air.
an inverted conical container 26 in in diameter and 44 in high is filled with a liquid at 20degreesc. the liquid weight
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