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Lift and drag forces (3)
As a means of eliminating the wave resistance to a high-speed boat, the hulls are supported well above the water by streamlined struts connected to horizontal hydrofoils. If the hydrofoil has the characteristics plotted in Figure 6.8A, what must be its dimensions to support the load of a 3,200 kg boat at the most favourable lift-drag ratio when the high-speed boat is cruising at 35 knots?
Figure 6.8A
an ideal regenerative rankine cycle operates so the steam enters the turbine at 40 bars and 500c and exhausts at 0.1 bar steam at 7 bars is extracted and is used in a single open feed-water heater
The oven exhaust gases are available at 250 F. Assume that the design temperature and residence time have been established as 1300 F and 0.6 sec, respectively. The type of burner used in the process requires outside air at a moass ratio of 12:1
Determine the design hourly volume for the road below, recommend the K factor first.
A two-bed carbon adsorption system is to be designed to handle 8000 acfm of air containing 700 ppm of hexane. Laboratory studies indicate that carbon can adsorb 8lb hexane per 100 lb carbon under the conditions at which the system will be operated.
Aerotron Electronics is considering purchasing a water filtration system to assist in circuit board manufacturing. The system costs $40,000. It has an expected life of 7 years, at which time its salvage value will be $7,500. Operating and maintenance..
For a flow of 2 MGD, an influent BOD of 200 mg/l, a depth of 8 feet, and a desired effluent BOD concentration of 20 mg/l, determine the volume required for trickling filtration treatment as predicted for single-stage treatment by using NRC equatio..
Determine the factor of safety against bearing capacity failure. Would the settlement of the base be uniform? Discuss your answer.
The baseline components of a GPS baseline vector observed at a station A in meters are (1204.869, 798.046, -666.157). The geodetic coordinates of the first base station are 44°27'36.0894" N latitude and 74°44'09.4895" W longitude.What are the chan..
Determine the runoff rate at t = 15.0 hr from a two storm system if the first storm drops 2.0-inches starting at t = 0, and the second storm drops 5.0-incheds starting at t = 12.0 hrs.
An embarkment will be constructed with the soil compacted to 95 percent of the max dry density. the borrow material, is deposited at a uniform density of 75 percent of the max dry density. the roadway embankment will require 75,000 cubic yards of fil..
An activated sludge plant is to be designed for a population of 4000 persons. The influent flow is 380 Lpcd and the influent BOD5 is 200 mg/L. Pertinent data are: Primary clarifier removes 33% of the influent BOD5, and the state regulatory agency all..
A box has a volume of 0.57 cubic meters. It is 5.2 feet in length and 15 inches in width. How many centimeters tall is the box?
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