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An air conditioner using R-134a as the working fluid and operating on the ideal vapor-compression refrigeration cycle is to maintain a space at T=22 C while operating its condenser at 1000 kPa. Determine the COP of the system when a temperature difference of T=2C is allowed for the transfer of heat in the evaporator.
a single stream tube is selected to characterize the air flow past the wing of an aircraft in flight at an altitude of
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
a satellite is in a circular orbit 250 mi above the surface of the earth. determine the new perigee and apogee
Calculate the yield stress of the material and the force required to produce yield - determine the bulk modulus of the material.
the rigid gate oab shown in the figure below is hinged at o and rests against a rigid support at b. what minimum
a compressor is used to compress air from 1 bar and 290 k to 10 bar. the compression can be assumed to be adiabatic and
Water at 150C flows in 1½-inch Sch 40 steel pipe with a flow velocity of 2.86 m/s. The pipe expands to 4-inch Sch 40.
collar c moves along a circular guide with radius R=2ft with a constant speed v=18ft/s. at the instant, the bars AB and BC are vertical and horizontal respectively. Letting L=4ft and H=5ft, determine the angular acceleration of the bars AB and BC ..
A car accelerates uniformly rest to 81 ft/s over a distance of 700 ft along a curve of 800ft radius .Determine the magnitude of the total acceleration at the instant that speed of 81ft is reached.
design of absorption column and the cooler process design of other units should be completed along with pipe sizes. the
find a) velocity distribution in the film b) shear stress distribution c) volumetric rate of flow d) average velocity. assume the flow is steady and laminar.
Calculate spring stiffness for which the oscillator becomes unstable (gravity in the negative y direction) verify with SW Simulation (study 1)
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