obtain the optimum loading of the two generating units in Problem 3.1 using the following technique

As an exercise, obtain the optimum loading of the two generating units in Problem 3.1 using the following technique. The two units are to deliver 100 MW. Assume both units are on-line and delivering power. Plot the total fuel cost for 100 MW of delivered power as generation is shifted from one unit to the other. Find the minimum cost. The optimum schedule should check with the schedule obtained by equal incremental production costs. Problem 3.1 Assume that the fuel inputs in MBtu per hour for units 1 and 2, which are both on-line, are given by

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Determine the thrust available to propel the cart.

A CO2 cartridge is used to propel a small rocket cart. Compressed gas, stored at 35 MPa and 20C, is expanded through a smoothly contoured converging nozzle with 0.5 mm….

Determine the range(s) of inlet stagnation pressures for which the nozzle will be free from normal shocks.

A converging-diverging nozzle, with Ae/At 5 1.633, is designed to operate with atmospheric pressure at the exit plane. Determine the range(s) of inlet stagnation pressures for which the nozzle will….

Find the range of exit pressures for which the duct exit flow is choked.

Room air is drawn into an insulated duct of constant area through a smoothly contoured converging nozzle. Room conditions are T 5 80 F and p 5 14:7 psia. The….