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Explain in your own words the manner in which the Pelamis wave power device operates. Note that the motion at the hinges produces hydraulic power that is fed into electric generators. A motion picture of the operation of the Pelamis can be viewed at https://www.youtube.com/watch?v=JYzocwUfpNg
for a rankine cycle with reheat finda. the inlet pressure at the low pressure turbine if the inlet pressure at the high
Consider the Newtonian fluid with constant viscosity u and density p flowing between two parallel plates. The plates have a surface area of . The fluid velocity profile is parapolic in shapre and given by Vx=aLy-4ay^2.
The disk rotates about the shaft S, while the shaft is turning about the z axis at a rate of vz = 4 rad>s, which is increasing at 2 rad>s2. Determine the velocity and acceleration of point A on the disk at the instant shown. No slipping occurs.
providing domestic hot water to a household typically requires 107 kj of energy per year. a typical electric water
Consider a system consisting of liquid water initially at T1 = 318 K, p1 = 3.5 bar undergoing a process to a final state at T2 = 353 K, p2 = 1.5 bar. Use appropriate equation with the data from the table to evaluate change in specific entropy.
What will the ratio of the angle of twist be to that of the hollow shaft if the maximum shear stress in the material of 75 N / mm ^2 and what is the ratio of actual permissible shear stress?
two flash distillation chambers are hooked together. both are at 1 atm pressure. the feed to the first drum is a binary
a refrigerator operates on the ideal vapor compression refrigeration cycle with r-22 as the working fluid between
Calculate the particle displacement amplitudes for a 90-dB tone at 100, 1000, and 10,000 Hz.
An airplane flies at an elevation of 20,000 ft, where the atmospheric pressure is 45 kPa and the temperature is -24 °C. A pitot-static tube mounted on the plane in the free-stream gives a differential manometer reading equivalent to 8.5 inches of H2O..
a wad of clay mass m1 with an initial horizontal velocity v1 hits and adheres to the massless rigid bar which supports
Air modeled as an ideal gas enters at 320k, 900kpa, with a velocity of 30 m/s and exits at 305k. Assuming steady state and neglecting stray heat transfer, determine for air exiting the pipe a) the velocity and b) the pressure.
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