[工學(xué)]第1-2-3章部分習(xí)題解答-資料下載頁
2025-01-19 11:38本頁面
【正文】 2l3PP? ? 0OM)ll(P)ll(PlPlP 21321211 322132 ?????????? s i n/hls i n/hls i n/hl ??? 22111111 21 blhP ?? ? 2112 blhP ?? ?2223 21 blhP ?? ? 321 PPPP ???2222112112122221211121123221232hhhh)hh(h)hh(hhhhh??????????????32121321211 322132PPP)ll(P)ll(PlPl????????h2 h1 ?1?2?Fluid Mechanics and Machinery 流體力學(xué)與流體機(jī)械 37 作業(yè)： 314 寬 b=，傾角為 θ =60o。容器裝兩種液體h1=2m， γ1=8kN/m3， h2=3m， γ2=9kN/m3。 求作用在矩形斜板的作用力 P和作用點 ? ? 0OM?? s i n/bhhP 1111 21 ???? s i n/bhhP 2112 ???? s i n/bhhP 2223 21 ??2222112113122221211121123221232hhhh)hh(h)hh(hhhhh??????????????m..)()(h 363209 67702819632332239232328223228 22?????????????????kN.)hhhh(s i nbP 18120935122 222211211 ?????? ????321 PPPP ???Fluid Mechanics and Machinery 流體力學(xué)與流體機(jī)械 38 作業(yè)： 315 弧形閘門上游水深為 H=4m，下游水深 h=2m,閘門軸心 O距地面 H/2。求作用在弧形閘門的作用力 P、方向和作用點 2221129042128121)(rhhhrA??????????45?45mh 2?hH xz????????? kN... z 0 5 6 85489129012901 2111 ???222 414012 )()hr(hA ??????????????kN...Fzz2281648941404140122222 ???2V???? zzz 1 7 21112hhr 2?1VFluid Mechanics and Machinery 流體力學(xué)與流體機(jī)械 39 作業(yè)： 315 21 21121 hhhFx ?? ????12 ??? hhF x ?h?h?h? h?kN...hFFF xxx 858410895123 3221 ???????? ??45xzh31h212xF1xFxF23 21hFhFhFxxdx ???h)/()hh(h d 922321321 ?????hhd 92?Fluid Mechanics and Machinery 流體力學(xué)與流體機(jī)械 40 作業(yè)： 315 ?? s i nrzc o srx ??)s i nrh()zh(p z ??? ?????? ??? 04041 ?? ??? x d x)s i nrh(x d xpM z? ?? ???? d)s i n(rc o sr)s i nrh(? ?? ?????? dc o ss i nrd)s i n(c o shr 232? ?? ???? s i nds i nrs i nds i nhr 232???? 3322 3121041 s i nrs i nhr/M ???333221 621312121 h)(r)(hrM ??? ???2111 12901 z ??? ????111 MFx z ? h..hFMxz2 9211 2906111 ????h)(hrb 12 ?????xz?45hhr 2?b7050122920221 ..hr hxb hxx ?????????1zF2zF?? ds inrdx ?? 29211 ?Fluid Mechanics and Machinery 流體力學(xué)與流體機(jī)械 41 作業(yè)： 315 31 6 hdxxpM zO ??? ?2111 12901 z ??? ???? 111 MFx zO ?h..hFMxzO 2 9211 2906111 ???? hxx O 70507050 111 ???? ??2222 4 1 401 z ??? ????212 2850 zzz ????1122 zDzDzD FxFxFx ??111122 zCzCzCzC FxFxFxFx ???b.. .b.. FxFxxzzzDzDD 409470285012907050414050121122 ????????b.. .b)..(F FxxzzCC 0927802850129050705011 ?????h)(hrb 12 ?????xz?45hhr 2?b1zFDC2zFxFh92
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