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Parallel flow of atmospheric air over a flat plate of length L = 3 m is disrupted by an array of stationary rods placed in the flow path over the plate.
Laboratory measurements of the local convection coefficient at the surface of the plate are made for a prescribed value of V and Ts > T8. The results are correlated by an expression of the form hx = 0.7 + 13.6x - 3.4x2, where hx has units of W/m2 · K and x is in meters. Evaluate the average convection coefficient h L for the entire plate and the ratio hL/hL at the trailing edge.
a cylindrical pressure tank 15 feet long and 40 inches in mean diamater is to be fabricated from .5 inch steel. a 15
an airplane wing modeled as a spring-mass system with natural frequency 40 hz is driven harmonically by the rotation of
chris being an avid skier takes a trip to an alpine resort to ski. he skies down the slope which could be approximated
a power cycle operating on 2kg of ideal argon a closed thermodynamic system consists of 3 partsa reversible isochore
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Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.
Steam at 2000 psi and 1200 deg F enters a turbine operating at steady state. Partway through the turbine, 34% of the entering mass flow is extracted at 700 psi and 600 deg F. The rest of the steam exits the turbine as a saturated vapour at 1 psi. The..
A piston-cylinder device containing .1 Kg of saturated liquid water, initially at 1 bar, is heated at constant pressure until the temperature is 140C. an electrical heater within the device is turned on and is allowed to pass a current for 5 min from..
Consider this multi-fluid container that contains fluids of different SGs as shown except for one fluid. Given that the pressure measured by the gage is 15.5 psia and the pressure in the container is 108.55 kPa, calculate the specific gravity of the ..
a well-insulated turbine operating at steady state with seam enters at 3 mpa 400degc with a volumetric flow rate of 85
50 grams of nickel are melted together with 50 grams of copper, thereby forming 100 grams of a Ni-Cu alloy.
During operation the surface temperatures are known to be T1 = 25°C, T2 = 60°C, and T3 = 70°C. What is the net rate at which radiation is transferred to the cover due to exchange with the absorber plates?
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