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1. Solve Problem 8.109a using the effectiveness-NTU method.
2. Consider Problem 7.113. Estimate the heat transfer rate to the air, accounting for both the increase in the air temperature as it flows through the foam and the thermal resistance associated with conduction in the foam in the x-direction. Do you expect the actual heat transfer rate to the air to be equal to, less than, or greater than the value you have calculated?
hi ltbrgt ltbrgti need free hand sketches and cad 2d drawings. the assignment question is in the attached .pdf. ltbrgt
in a 150 mw steam turbine unit operating on an enhanced rankine cycle steam is delivered from the boiler to the high
How would you calculate the sensible heat, the latent heat, and determine the latent heat of vaporization of the water vapor in this air stream as the air is cooled from 170 F to 48 F?
air at 110 kpa and 250 k is compressed steadily to 570 kpa and 400 k. the mass flow rate of air through the compressor
Determine the average hydrogen concentration and change in refractive index after 1 h and 10 h of operation in the hydrogen environment.
a flat plate is sliding at a constant velocity of 5 ms on a large horizontal table. a thin layer of oil of absolute
Determine the coordinates of the mass center of the body constructed of a uniform square plate, a uniform straight rod, a uniform quarter-circular rod, and a particle (negligible dimensions). The mass of each component is given in the figure.
a three-blade wind turbine has a rotor diameter of 100 meters and a hub height of 80 meters. if wind power at this site
a a refrigeration system has a coeiumlnotfnofcient of performance of 5. the heat rejection is an isothermal process at
a one-shell-pass two-tube-pass exchanger is to be used to condense 100 kgs of steam at 4714 pa using water at 290 k. if
A perfect gas (methane) undergoes a reversible polytropic process in which the polytrotic exponent is 1.4. 1) Using the first law, arrive at an expression for heat transfer per unit mass solely as a function of the temperature difference (change in T..
A particle travels around a circular path having a radius of 80m. It is initially traveling with a speed of 10 m / s and its speed then increases at a rate of v = (0.05v) m /s2. Determine the magnitude of the particle's acceleration four seconds late..
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