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What is the maximum velocity if the nozzle in Example 3-2 was designed to expand into a vacuum? If the expansion area ratio was 2000?
Example 3-2
A rocket operates near sea level with a chamber pressure of p1 = 2.068 MPa or 300 psia, a chamber temperature of 2222 K, and a propellant consumption of m? = 1.0 kg/sec. Take k = 1.30 and R = 345.7 J/kg-K. Calculate the ideal thrust and the ideal specific impulse. Also plot the cross-section area A, the local velocity v, the specific volume V, the absolute temperature T, and the local Mach number M with respect to pressure along the nozzle.
Suppose a membrane has an active Na-K pump with and Cm = 1mF as shown in Figure 11.15. Design a stimulus that will drive Vm to threshold at 3 ms. Assume that the threshold potential is 40mV.
find the voltage across the 8-A current source in the circuit of Figure P2.2.6 with the use of nodal analysis.
Calculate the flow rates of burets Y and Z. Assume the flow rates remain constant during the experiment.
If the capacitor, consisting of three equal sections, is connected in delta across the supply lines, calculate the capacitance required in each section.
Weight Percentage of MTBE (methyl tert-butylether) in Gasoline : Oxygen Content, If gasoline had a hypothetical chemical formula of C8H17, and we knew the chemical formula of MTBE as CH3OC4H9, what weight (actual weight and percent by weight) of M..
What temperature will be indicated by the thermocouple? Assume free convection from the thermocouple.
Determine the force applied to the plunger by the electric system.
the equilibrium conversion is negligible at 300 K, but becomes appreciable at temperatures above 500 K.
Derive the ODE representing this system and solve for the concentration of the outlet stream as a function of time. Plot this until equilibrium is established - derive and solve the equation and plot the new temperature profile.
If the annular space is pressurized with nitrogen at 5 atm, estimate the convection heat transfer rate per unit length of the tubes.
An evaporator is used to concentrate 20 wt % NaOH solution entering at 150°F to a 45 wt% NaOH solution exiting at 200°F. What is the pressure in the vapor space of the evaporator
A hot water heater measures 20" in diameter. What is the area of a metal base for the water heater, assuming a four-inch overhang for the base beyond the edge of the heater? (Round to the nearest tenth.)
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