Engineering, 30.08.2019 21:20 alopez324789
Air at standard pressure flows across a flat plate at 3m/s. the temperature surface is 50â°c and the surrounding temperature is 20â°c. consider a point 1m away from the leading edge of the plate. see table a-15 in appendix 1 for properties of air. a. determine the reynold's number and prandtl number for this flow. b. determine the flow boundary layer thickness. c. determine the thermal boundary layer thickness for this flow. d. find the local nusselt number. e. based on this nusselt number, what is the local convective heat flux from the plate to the air?
Answers: 3
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:20, ashleyjaslin
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.
Answers: 3
Engineering, 04.07.2019 18:20, aly95
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Air at standard pressure flows across a flat plate at 3m/s. the temperature surface is 50â°c and the...
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