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For the system
x = x + y + 1
y = 2x - y + 5
(i) Find the fixed point.
(ii) Transform the system into deviations from the fixed point. What are the characteristic roots of this transformed system?
(iii) Derive the equations for the stable and unstable arms.
(iv) Set the model up on a spreadsheet and plot, on the same graph, the following trajectories:
(a) The trajectory from initial point (- 2,4).
(b) The unstable arm passing through the point at which x =2.
Draw a free-body diagram that identifies all the forces acting on the block in motion.
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Explain why the environment in which a computer-based system is installed may have unanticipated effects on the system that lead to system failure. Illustrate your answer with a different example from that used in this chapter.
A commercial refrigerator with refrigerant- 134a as the working fluid is used to keep the refrigerated space at 235°C by rejecting waste heat to cooling water that enters the condenser at 18°C at a rate of 0.25 kg/ s and leaves at 26°C.
3 kg of refrigerant 22 undergoes a process for which the pressure-specific volume relation is pv^-0.8 = constant. The initial state of the refrigerant is 12 bar and 60 degrees C. The final pressure is 8 bar. Kinetic and potential energy effects are n..
a power plant using steam as the working fluid operates on a rankine cycle. the temperature at the condenser exit is
Question 1. Water is stored either side of a vertical lock gate as shown in Figure Q1 The water level on one side of the wall is 10.0 m, on the other side it is 4.0 m. Determine the net force on the wall, per metre length, and the location of the..
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steam is generated in a boiler. if the initial water enters the boiler as saturated water at 1000 psi a h542.4 btuibm
Use cold air properties to find the highest cycle pressure, the specific energy added by combustion, and the mean effective pressure.
find the fourier coefficient for a pulse wave with an amplitude of 30n a duty cycle of 0.5 seconds and a period of t2
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