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Determine the transfer functions from input voltage to angular velocity and from load torque to angular velocity for a PM DC motor rigidly connected to an inertial load. Assume resistance and inductance parameters Ra , La let the armature constant be ka.
Assume ideal energy conversion, so that ka = kT.
The motor has inertia Jm and damping coefficient bm, and it is rigidly connected to an inertial load with inertia J and damping coefficient b. The load torque TL acts on the load inertia to oppose the magnetic torque.
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A piston cylinder holds air at 80 F and 15 psi. During an adiabatic process the pressure is increased to 165 psi and the entropy generated is 0.15 BTU/lb-R. Determine the isentropic efficiency for this process.
A well-insulated tank in a vapor power plant operates at steady state. Water enters at inlet 1 at a rate of 125lb/s at 14.7lbf/in^2. Make up water to replenish steam losses from the plant enters at inlet 2 at a rate of 10 lb/s at 14.7 lbf/in^2 and 60..
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Explain the difference between applying the Method of Sections to trusses and applying it to beams.
a silicon wafer with thickness of 925 microm is being heated with a uniform heat flux at the lower surface. the silicon
Methane gas (CH4) at 25° C, 1 atm enters an insulated reactor operating at steady state and burns completely with x % of theoretical air entering at 25°C, 1 atm. Calculate the adiabatic flame temperature (AFT) at x=100, 200, 300 and 400 % and plot t..
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