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(Extended, open-ended problem) The second order, nonlinear, ordinary differential equation
governs the oscillations of the Van der Pol oscillator. By scaling the time variable the equation can be reduced to
Investigate the properties of the Van der Pol oscillator. In particular show that the oscillator shows limit cycle behaviour (that is, the oscillations tend to a form which is independent of the initial conditions and depends only on the parameter μ). Determine the dependence of the limit cycle period on μ.
Consider the hot water pipe of Problem 7.56, but under convection coefficient as a function of only !iT = Ts - Too, where Ts is the sensor temperature. Evaluate properties at an appropriate film temperature and show what effect this approximation ..
water contained in a piston-cylinder assembly initially at 1.5 bar and a quality of 20 is heated at constant pressure
Calculate energy savings, implementation costs and simple payback. You should be able to find some tips and calculations from the text book.
a one dimensional wall of material kw10wmk is 50 mm thick with uniform heat generation qlsquolsquolsquo5106wm3. the
when two cars a and b are next to one another they are traveling in the same direction with speeds va and vb
find the average velocity of flow at section B, and the pressure difference between sections A and B.
A 90N force is applied to control rod AB as shown. Knowing the length of the rod is 225mm, determine the moment of the force about point B by resolving the force into components along AB and in direction perpendicular to AB?
a heat engine is operating on a carnot cycle and has a thermal efficiency of 75 percent. the waste heat from this
a two-compartment water tank contains saturated water vapor at 4 mpa on one side and water vapor at the same
motion of the threaded collars and is controlled by the rotation of their respective lead screws. if has a velocity to
a particle is traveling with a velocity of v 3sqrtte-0.2ti 4e-0.8t2j ms where t is in seconds. determine the magnitude
Air is contained in a piston-cylinder assembly, initially at 40 lbf/in^2. And 600R the air expands in a poly tropic process with n=k=1.4 until the volume is doubled. Modeling the air as an ideal gas with constant specific heats,
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