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Consider the flow field over a circular cylinder mounted perpendicular to the flow in the test section of a low-speed subsonic wind tunnel. At standard sea-level conditions, if the flow velocity at some region of the flow field exceeds about 250 mi/h, compressibility begins to have an effect in that region. Calculate the velocity of the flow in the test section of the wind tunnel above which compressibility effects begin to become important, i.e., above which we can not accurately assume totally incompressible flow over the cylinder for the wind tunnel tests.
design an amplifier to sense the opencircuit output voltage of a transducer and to provide aproportional current through a load resistor. the equivelent sourceresistance of the transducer is specified to vary in the range of 1k to 10 k.
Use appropriate parameter passing and return mechanisms. Use appropriate datatypes. For example, with inputs of 4 quarts and 4 pints, the result would be 1.5 gallons. Use proper code formatting techniques. Do not write a main routine. Your functio..
Assuming that the current through and inductor is i l(t) = 10exp(-t/3). Find at what time this current dropped by 50percent of its initial value.
The project has been broken down into the following modules: Power supply Processor and motherboard with RAM I/O circuit board CD-ROM drive Floppy drive LCD display Keypad Enclosure and all mechanical parts Final assembly The total manufacturing c..
Write the formula for the magnetization volume current density J M and magnetization surface current density JMS in terms of magnetization vector M. 4. A sphere has permanent magnetization where is a positive constant.
write a program that implement the system difference equation recursively, in "real-time" fashion, including the recursive update of variable samples(shift register). Compute and plot the response to x2[n] and x3[n], for one of the two systems, fo..
A 25KVA transformer supplies a load with the following schedule: 8hrs-full load with 0.8 lagging power factor. 4hrs-75% full load at unity power factor. 12hrs-No load. The transformer is energised 24hrs per day and has iron losses of350w.
Express the diode current equation. A) Define all the diode parameters and draw the I-V characteristics. (Assume non-ideal diode) B) If IF=10 mA, Is=10-15A, VT=25mV, Calculate the voltage drop across the diode.
Given the ratings of a single-phase transformer - 3kVA 220V/110V 50 Hz, calculate the rated current for the primary winding and the rated current for the secondary winding. The currents in the transformer should not exceed these values during the ..
A clock signal is connected to input A, i.e G(ate) input of the transistor. When the signal is high "1" the transistor is on. When the signal is low "0" the transistor is off. What is the minimum voltage the clock signal must have in the high state..
Using 4-bit numbers to save space, multiply 3ten x 4ten in binary.
an inventory control system that keeps track of what items are in stock when the level falls below a certain value ?
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