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The following questions deal with laser sources in Raman spectroscopy.
(a) Under what circumstances would a helium-neon laser be preferable to an argon-ion laser?
(b) Under what circumstances would a diode laser be preferable to an argon-ion or helium-neon laser?
(c) Why are ultraviolet emitting sources avoided?
For the preferred paint of part (a), determine the steady-state value of the outer surface temperature Ts,o. The boundary layer is tripped at the leading edge of the roof, and turbulent flow may be assumed to exist over the entire roof. Properties..
a fan that can provide air speeds up to 50ms is to be used in a low-speed wind tunnel with atmospheric air at 25 degc.
determine the intersection points of the following pairs of curves. follow the following steps for each problemi. use
a brass rod 100 mm long and 5 mm in diameter extends horizontally from a casting at 200 degree c. the rod is in an air
A single phase step up transformer is used to transform 240VRMS to 2400VRMS. The transformer is operating at its rated power of 1kW (with purely resistive load), with transformer Reqp = 5, and a Xeqp = 4j,
A converging-only nozzle has an efficiency of 96%. Air enters with negligible velocity at a pressure of 150 psia and a temperature of 750°R. The receiver pressure is 100 psia. What are the actual outlet temperature, Mach number, and velocity?
water flows steadily in a horizontal 125 mm diameter cast-iron pipe. the pipe is 150 m long and the pressure drop
During this process, heat is transferred from a heat source at 200oC, such that when the valve is closed, the temperature inside the tank is 50oC. What is the heat transfer?
Show that Airy's stress function ? = Crθ sinθ satisfies the biharmonic equation. Also determine the stresses in polar co-ordinate system.
air flows through a converging-diverging nozzle with aeat 3.5. the upstream stagnation conditions are at atmospheric
steam flows steadily into a turbine at 2 mpa and 400 deg c at a flow rate of 25 kgs. if the turbine is adiabatic and
Prompts the user for the name of his/her jpg file using an input statement. Set up your input statement to expect a string.Uses the imread command to read in the jpg image. Note: the filename will already be a string so don't use single quotes arou..
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