Engineering, 09.08.2021 21:50 kaylee2828
A micro pitot-static tube is used to measure the velocityof air (100 kPa, 300K)justabove the surface of athinflat plate. The pitot-static tubeindicates a dynamic pressure of 5 mm H20 when positioned at alocationof 0.5 mm above the plate surfaceand 75 mm from theleading edge of the plate. Based on this information, determine: a) the velocity of air at the location given, b) the local Reynolds numberRex, c) boundary layer type (laminar or turbulent), d) boundary layer thickness, e) local shear stress onplate surface.
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Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
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During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
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Engineering, 04.07.2019 18:20
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
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A micro pitot-static tube is used to measure the velocityof air (100 kPa, 300K)justabove the surface...
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