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Consider an array of (n x n) particles initially equally positioned apart from each other by dx=1 and dy=1. Allow these particles to move walk randomly with time in a space much greater than the originally occupied space of (ndx x ndy). Calculate the average square distance between the particles and plot its ratio to the time step . This is the diffusion/dispersion coefficient.
Refrigerant 134a leaves the evaporator as saturated vapor at 1.4bar and is heated at constant pressure to 20 degrees C before entering the compressor.
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
Air at 200 kPa enters a 2-m-Iong, thin-walled tube of 25-mm diameter at 150°C and 6 m/s Steam at 20 bars condenses on the outer surface.
A 0.7-lb block rests on top of a 0.5-lb block supported by but not attached to a spring of constant 9 lb/ft. The upper block is suddenly removed. Determine (a) the Maximum velocity reached by the 0.5-lb block, (b) the maximum height reached by the..
A spherical balloon inflated sos that the volume is increasing at the rate of cubic meter/min. At what rate is the diameter increasing when the diameter is 12 m?
Determine the heat transfer coefficient for laminar flow over this cylinder. First, at your discretion, select an available set of experimentally obtained data from the literature. Then, this would provide you with a set of Reynolds numbers.
find the momentum and buoyant length scales.
Construct the homogeneous solution in terms of four constant that could be determined from initial conditions and show the equations of motion
Calculate the value of forces P and Q for each test using the method of sections technique.
a hunter aims directly at a target 140 meter away. if the bullet leaves the gun ay a speed of 280 m/s, by how much will the bullets miss the target?
Determine the stress in a stay at a given temperature. A steel 'stay' of effective length 5m is fitted in between the walls of a ships refrigerated compartment when the temperature is 18 degrees centigrade.
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
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