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ME2320SolTEST1Fall07

ME2320SolTEST1Fall07 - Name ID — EB — 2B6 awn...

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Unformatted text preview: Name: ID' — EB. — 2B6? awn. TI-[ERMDDYNAMCS'I TEST Na. 1 1Themtmmatanklsprflsxmmdhyan'an&theptesmu'elsmeasumdbyamulufimd manumflterasshownmthcfigumWhegagemamfifmrmthemnklfm (3.2111, h3= {Hm -andh3_= [146311 Takethedensifieslofwaiar ul audmermt0be'1flDflkghn3, 35E! kgfm}, and 136W 5:315:13 Esfiectively.- (4 {KS} _.-1 In- MU'ZM @320 '5?“ hfioq’bw €13}: {000.35 #38 'fioifiigafi‘lm) ME2320. 1st Test 10 — 03 — 2007 2. Windmills slow the air and cause it to fill a larger channel as it passes through the blades. Consider a circular Windmill with a 7—m—diameter rotor in a 10 m/s wind on a day when the specific volume of the air is 0.8409 m3/kg. The wind speed behind the windmill is measured at 9 m/s. Determine the diameter of the wind channel downstream from the rotor and the power produced by this windmill. Assume the specific volume of air is constant (air is incompressible). (3 pts. ) WA, 3?va WE ”3&0: DLDAL A, human. 15' Teet' n} — ea — 2m? 3. Wetenepamlpedfiemalaketeasmragetankiflmebeveatereteeffl} Us while eeneuming 21:1 :4 kW ef'eleetrie. power Disregnnfling any fi-ietienn'l teee'ee' 1n the pipes and any clungee' III kinetic energy detennine {a} the everell effi+z_:ie'1n:},r er the Wmetfir ' unit eed{b)the-peesenre difl'ei‘eneebetweenfi'le inlet -amdtl1eexiteffi1e..pnmp {3 pt'e.) ...
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