Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 07 Nov 2017 My Price 4.00

variable-density wind

An airplane wing of 3 m chord length moves through still air at 15 C and 101.3 kPa at a speed of 320 km=h. A 1:20 scale model of this wing is placed in a wind tunnel, and dynamic similarity between model and prototype is desired. (a) What velocity is necessary in a tunnel where the air has the same pressure and temperature as that in flight? (b) What velocity is necessary in a variable-density wind tunnel where absolute pressure is 1400 kPa and temperature is 15 C? (c) At what speed must the model move through water ð15 CÞ for dynamic similarity?

 

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Maurice Tutor
(5)
Status NEW Posted 07 Nov 2017 09:11 PM My Price 4.00

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