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Air at a free stream temperature of Too = 20°C is in parallel flow over a flat plate of length L = 5 m and temperature Ts = 90°C. However, obstacles placed in the flow intensify mixing with increasing distance x from the leading edge, and the spatial variation of temperatures measured in the boundary layer is correlated by an expression of the form T(°C) = 20 + 70 exp (-600xy), where x and y are in meters. Determine and plot the manner in which the local convection coefficient h varies with x. Evaluate the average convection coefficient h for the plate.
the landsat-c earth resources satellite has a nearly circular orbit with annbspeccentricity of 0.00132. at perigee the
A 4.40-ft^3 rigid tank contains saturated refrigerant-134a at 100 psia. Initially, 26 percent of the volume is occupied by liquid and the rest by vapor. A value at the top of the tank is now opened, and vapor is allowed to escape slowly from the tank..
the open circuit voltage of a hydrogen-oxygen fuel cell operating at rtp is 0.96 v and its internal resistance is 1.2 m
the atmospheric pressure at a location is usually specified at standard conditions but it changes with the weather
the ball is kicked with an initail speed of 8 ms at an angle of 40 degrees with the horizontal. find the equation of
Nitrogen flows steadily through a pipe with a constant cross-section area of 6cm^2. The nitrogen enters the pipe at 500 kPa and 50 degrees Celsius with a velocity of 15m/s. The nitrogen leaves the pipe at 200 kPa and 25 degrees Celsius. Assume that t..
a four-cylinder spark ignition engine has a compression ratio of 8 and each cylinder has a maximum volume of 0.6l. at
Consider a two-machine Bernoulli production line defined by all but one of the conventions of Subsection 4.1.1. Specifically, assume that instead of the blocked before service, the following convention is used: Machine m1 is blocked during a time slo..
A constant-area duct is fed by a converging-only nozzle. The nozzle receives air from a large chamber at p1=600 KPa and T1=550 K. The duct has a friction length of 5.3, and it is choked at the exit. What is the pressure at the end of the duct? If 80 ..
NaCl crystals slip on {110} slip systems. There are six systems of this type. Consider a crystal subjected to uniaxial compression parallel to z = [110].
a certain object weighs 300 n at the earths surface. determine the mass of the object in kilograms and its weight in
the turning moment diagram for a petrol engine is drawn to the following scales turning moment 1 mm 5 n-m crank
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