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Problem 1) Colebrook equation is used to find a friction factor, f, in a pipe flow as given by:
Problem 2) Consider the following non-linear ordinary equation with an initial condition, y(t=0)=2.
Compute and plot the solution as a function of time from 0 to 3 using Euler’s explicit method. Use various step sizes and plot the error as a function of step size.
Problem 3) A chemical specie decays over time when is subject to air and simultaneously reproduced by another process as given by:
where c is the concentration of the specie and co is the initial condition. Compute and plot the concentration profile as a function of time from 0 to 1 second with an initial condition of 2000 using Euler’s implicit (backward) method.
What is the total force reaction (magnitude) at pin joint O when the square plate is released from rest? Assume the plate has a uniform thickness.
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
What are the production conditions under which group technology and cellular manufacturing are most applicable?
a heat engine whose thermal efficiency is 40 percent uses a hot reservoir at 700 k and a cold reservoir at 280 k. a
A man goes to a traditional market to buy a steak for dinner. He finds a 12-oz steak (1 lbm = 16 oz) for $3.15. He then goes to the adjacent international market and finds a 320-g steak of identical quality for $2.80. Which steak is the better buy..
The maximum flow past a circular cylinder is 2 X the Up stream velocity. The max velocity occurs at the center line of the top of the cylinder.
Implement the weak form in COMSOL, and experiment on the effect of element size and type. You may control the mesh by selecting "User-controlled mesh" under meshing and specific the maximum element size.
an open feedwater hearter operating at steady state accepts superheated steam at 500kpa and 200degc and mixes the
Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups
1. An air compressor operates at steady state with air pressure of 50 bar. Kinetic and potential energy effects are negligible. Determine the pump work input, in kJ per kg of water flowing, using (a) Eq. 6.51c, (b) an energy balance. Obtain data f..
certain system is able to exert an external force f according to the relationship.v velocityf 15000-500vn for v lt
refrigerant 134-a enters a condenser of a residential heat pump at 800 kpa and 35oc at a rate of 0.018 kgs amd leaves
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