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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.
Nitrogen enters a nozzle steadily at 1.2mpa and 600k with a velocity of 30m/s the inlet area of the nozzle is 0.005m^2 the nitrogen leaves the nozzle at 298k with a velocity if 400m/s. find the heat transfer rate during the process?
Using the tables for water, determine the specified property data at the indicated states. In each case, locate the state by hand on sketches of the p-y and T-y diagrams.
flow around a brindge pier is studied using a modeal at 110 scake. when the velocity in the model is 0.9 ms the
a rigid tank is divided into two equal parts by a partition. one part of the tank contains 2.5 kg of compressed liquid
How does the amount of fine material (smaller than 20-mesh) differ from what would be predicted from the size distribution of the coarser material?
nitrogen gas is heated in a steady-state steady-flow process. the inlet conditions are 550 kpa 35degc and the exit
Steam produced in a boiler is frequently 'wet' - it consists of a mist composed of saturated vapor and entrained liquid droplets. The quality of the wet steam is defined as the fraction of the mixture by mass that is vapor.
nitrogen flows without gain or loss of heat through a horizontal duct cross-section is 1-ft by 2-ft throughout at
a working fluid at 500kpa 400c 673.15k is in a piston-cylinder equipment with an initial volume of 0.9 m3. the fluid
for a 6061 t-6 aluminum beam with dimensions b 3.0 cm d 0.5 cm and length a 30 cm what is the maximum mass that can
Temperature Effect on Materials (i) A hollow cylinder of aluminium 1 m long with a 40 mm outside diameter is at a temperature of 20 °C. What is the change in length and circumference of the cylinder when it is cooled to â?'25 °C
for some applications it is necessary to harden the surface of a steel above that of its interior. one way this may be
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