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At what Mach number will the normal shock occur in the nozzle of Problem 15.53 if the back pressure is 1.4 MPa? (Trial and error on Mx)
Problem 15.53
Air flows into a convergent-divergent nozzle with an exit area 2.0 times the throat area of 0.005 m2. The inlet stagnation state is 1.2 MPa, 600 K. Find the back pressure that will cause a reversible supersonic exit flow with M = 1 at the throat. What is the mass flow rate?
Ethane gas (C2H6) at 25C is burned with 150% theoretical air at 500 K and 1 atm. Find the heat transfer (in KJ/Kmol)from a steady-flow combustor if the products are at 1000 K and (a) complete combustion occurs; (b) 95% of the carbon is converted to C..
derive expressions relating k1 and k2 to KI and KII in terms of the tilt angle, a.
A stockpile of highway crushed stone is shaped into a conical figure; the base has a diameter of 72 ft, and the height of the stockpile is 52.5 ft. Compute the volume (cu. yd) of stone in the stockpile.
The total annual runoff from small drainage basin is determined to be approximately normal with a mean of 14.0 in. and a variance of 9.0in^2. Determine the probability that the annual runoff from the basin will be less than 11.0 in. in all three of t..
Evaluate company performance in relation to GRI standards and comment on Stigler's theory.
Determine the tension-compression boundary for an axially loaded I-beam
A sag vertical curve along an existing vertical alignment begins at station 23+45 and ends at station 30+25. The initial grade coming into the curve is -2% and the grade out is +5%. What is the finished grade elevation on the curve at station
Steam enters a turbine with neglible velocity at 4 mpa, 600 degrees celcius and a flow rate of 36000 kg/h. Determine the heat loss from the steam passing through the turbine if the turbine has a power output of 20000 kw
Assuming that the velcity of a 185 lb athlete just before landing is 30 ft/s at an angle of 35 degrees with the horizontal and that the athlete comes to a complete stop in .22 seconds after landing,
A solid one-way slab is to be used for a framing system similar to that shown. Column spacing is 33 ft, with regularly spaced beams occurring at 11 ft center to center.
The forces F1, F2, and F3, all of which act on point A of the bracket, arespecified in three different ways. Determine the x and y scalar components of each of the three forces.
The plant currently has one CMFR for removal of chromium. How many more identical reactors does the sony music company require to meet the regulatory requirements for chromium discharge of 0.01 mg/L into the Pitman Sewer?
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