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Using the equations of transformation given in Problem 1 of Chapter 3 , derive the voltage equations of a two-phase symmetrical induction machine in the arbitrary reference frame. Compare with those for a three-phase machine given by (6.5-10) - (6.5-21).
Problem 1
Consider the symmetrical two-pole, two-phase symmetrical induction machine shown in Figure 1.4-1. Derive the voltage equations in machine variables.
A turbine receives air at 1500 K, 1000 kPa and expands it to 100 kPa. The turbine has an isentropic efficiency of 85%. Find the actual turbine exit air temperature and the specific entropy increase in the actual turbine.
Given an aerodynamic body, you have learned in Aerodynamics and Flight Mechanics how to apply the numerical Source Panel Method to this body to determine the velocity and pressure profiles along the surface of the body.
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