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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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