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Consider a 300mm x 300mm window in an aircraft. For a temperature diference of 80 degrees C from the inner to outer surface of the window. Calculate the heat loss through L=10 mm- thick polycarbonate, soda lime glass, and aerogel windows, respectively. The thermal conductivity of the aerogel and polycarbonate are k(ag) = 0.014 W/(m*K) and k(pc) = 0.21 W/(m*K) respectively. Evaluate the thermal conductivity of the soda lime glass at 300K. If the aircraft has 130 windows and the cost to heat the cabin is $1/Kwh compare the costs associate with heat loss through the windows for an 8 hour intercontinental fligt.
Draw the T-s diagram (hint: it would help to begin with a schematic of the cycle) and.
in the following experiment a constant-pressure calorimeter containing 100 ml of h20 is used.the initial temperature of
imagine that you are a marine biologist and want to determine the boundary layer associated with the flow of ocean
this question has popped up elsewhere on here but im a little dubious on some of the answers. anyway here goes any help
steam is contained in a closed rigid container. initially the pressure and the temperature are 1.4 mpa and 250degc
argon enters an insulated turbine operating at steady state at 1000 c and 2 mpa and exits at 350 kpa. the mass flow
the vertical motion of mass a is defined by the relation x10sin2t15cos2t100. determine a the position velocity and
a stream of gas flowing at 15000 scfm contains 20 ppm of toluene. assuming the process operates 8500 hours per year
water with a pressure of 800 kpa and a quality of 0.334 undergoes a constant pressure expansion process to four times
a uniform stream of speed v is inclined at angle alpha from the x-axis. the flow is steadu state and two dimensional
Find the shaft ID needed to obtain a maximum deflection at the center of 3 mm if the shaft OD is 22 cm. Assume the shaft to be the same length between supports as the length of the paper roll.
in one cycle a heat engine absorbs 480 j from a high-temperature reservoir and expels 300 j to a low-temperature
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