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A weather balloon is caught in a tornado modeled as a combination free-forced vortex. Will it move toward the center or away from the center? Think carefully about pressure gradients and buoyancy. Provide a rationale for your answer. Answer: Toward vortex center
two structural members b and c are bolted to a bracket a. knowing that both members are in tension and that p 6 kips
a jet engine is a serial combination of a compressor an adiabatic constant pressure combustor and a turbine in that
A heat pump supplies 40 kW of heat to maintain the inside of a house at 250C in cold winter months when the ambient temperature is 00C. Power required to operate the heat pump cycle is provided by a heat engine cycle which receives 10 kW of heat from..
A cantilevered beam with a circular-tube cross section has an outer diameter of 100 mm and a wall thickness of 10 mm. The load perpendicular to the beam is 15,000 N, and the beam is 1.2 m long from the point of force to the wall where the beam is fas..
A hot upsetting of stainless steel 316/316L, 2000mm dia disc, 200mm thickness is upset at 1200 degree Celsius to 150mm thickness. what will be the Upsetting force required to forge this disc and what will be the yield stress at this temperature.
Calculate adiabatic flame temperature butane (C4H10) burning in air at 298 k and 1 atm, assuming complete combustion and constant specific heats
a 3 cm thick stainless steel thermal diffusivity 0.0000044 k16.3 initially at 500degc is suddenly exposed to convective
The machine crank shaft rotates at 800 rpm. If under actual working conditions, the damping reduces the amplitudes of successive vibrations by 30% , find: (i) The force transmitted to the foundation at 800 rpm (ii) The force transmitted to the fou..
Calculate the Hydrodynamic boundary layer thickness and thermal boundary layer thickness.
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
Design a displacement function to drive the piston to follow as close as possible the aortic pressure curve. Make sure that the jerk is finite along the whole rotation of the cam.
the rods ab and cd each have a 30-mm diameter and are 1m long. the modulus of the rods is 28 gpa. the rods are
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