水力學(xué)第四版課后答案

..第一章緒論精品文檔放心下載[]VV1122又998.23kg/1m3971.83kg/m32感謝閱讀V2V12.5679m312VV2V10.0679m3感謝閱讀[]fxfy；fzgfxf；fgg0yz第二章流體靜力學(xué)U謝謝閱讀[]p0paghpep0pagh10009.8071.514.7kPa.學(xué)習(xí)幫手...AA精品文檔放心下載[]pp0p0Ap表0.5gp1.5gg490010009.8Ap4900Pa表pp4900980000a93100PaABAAAh1h2h2h1hBBB.學(xué)習(xí)幫手...Aρgh1ρgh1ρgh12BρghAρg(h)21ρg(h)21BABρgh.學(xué)習(xí)幫手....學(xué)習(xí)幫手...精品文檔放心下載角oA精品文檔放心下載.學(xué)習(xí)幫手...[]PAA10009.8221pgh39200Ncc1123yJ2Dyc

c2.946m2

yAsin4521csin45hl22ycA1.828msin22Tlcos45y)P(yADTP(yy)(2.94630.99kNDAlcos2cosHH謝謝閱讀12Ah1B°h2[]P11h131b9.807312sin2sin1.學(xué)習(xí)幫手...h'h3'11.414m13sin3sinP21h122b9.82127.74kN2sin2sin2h'2h223sin3sinPPP1262.4127.7434.67kN對BPh'h''PPh1122D62.411.41427.740.94334.67h'D精品文檔放心下載h'D1.79mUU感謝閱讀ωω。謝謝閱讀max[解]感謝閱讀2r22gzCIzhzIz2h，以r1a,rb22b2a2ab2b2a2a>b.學(xué)習(xí)幫手...．如圖，600，上部油深h，下部水深h2.0m3，謝謝閱讀12ab[]Pb1h1hhh＋hh1222sin6002sin600sin600油1水2油1精品文檔放心下載46.2kN1hPh4.62kN112油1sin600

h'2.69m11hP23.09kN2

2h2sin60水02h'20.77m

hPh23油18.48kN1sin600

h1.155m3對B點(diǎn)取矩：PPPhhh''''112233Dh'1.115mDh3sin600Dh'D=30徑R.學(xué)習(xí)幫手...ARαhBPxo329.807Rsin2sin2gb2222.066））Pz11RVggRsinRcos212229.8072sin30ocos30o22127.996））PP2arctanPzPxxP222z）19.92oAθPB.學(xué)習(xí)幫手...P23.470kN，19.92。謝謝閱讀，圓心角精品文檔放心下載[]FpxcAxgh3.03hb9.8144.145kN22hV[h(sin453[3(sin451.1629m3h)1h2]h)(228sin45132]3()228sin45Fpz9.811.162911.41kNF2F2Fppxpz44.1452245.595kNarctanFFpzarctan11.4144.14514.5px.學(xué)習(xí)幫手...第三章水動(dòng)力學(xué)基礎(chǔ)(r3-1：uumaxr0)]2ruQ精品文檔放心下載0。r[]QudA()2rdr0umaxrA00感謝閱讀2ur2max020.150.0322.12104m3/svQr202ur2max0r20umax/s2感謝閱讀uuQ）精品文檔放心下載[]pup2AA

g2g

gupp212.6hpuA(AA2gggp2g2/sp.學(xué)習(xí)幫手...Qd2v440.220.843.850.102m3/s3-4．圖示管路由兩根不同直徑的管子與一漸變連接管組成。已知d謝謝閱讀，AdApBpB謝謝閱讀BABvBh謝謝閱讀。Bw[]4d2vAA4dv2BBvAd2Bd2AvB400()14m/s2200zApvpv22zhAAABBBg2gg2gBwzzz1.0BAhwABpvpv22zABABg2g42220謝謝閱讀3-5d精品文檔放心下載1d精品文檔放心下載2數(shù)hQp.學(xué)習(xí)幫手...[]22d213.140.2g29.8070.139

44K0.036d0.23.873

(1)41()41感謝閱讀d12qV(K0.950.036(0.15p0.850.0513m3/s51.3L/s精品文檔放心下載3-10水箱中的水從一擴(kuò)散短管流到大氣中，直徑d=100mm，該處絕對壓強(qiáng)精品文檔放心下載1p=0.5atmd=150mm，水頭損失忽略不計(jì)，求水頭H。（H=1.27m）精品文檔放心下載12解：.學(xué)習(xí)幫手...dd精品文檔放心下載12謝謝閱讀。[]qVd2d4q42.51032vvv/s12V44d3.140.051212214q42.53v2/sVd23.140.02522pvv2222ppp(pp)vv011021aa2221g2gg2gg2gpvpvp5.0931.27398072222p2a10.2398mH221g2gg2g10009.807pahpagp22O2A感謝閱讀精品文檔放心下載.學(xué)習(xí)幫手...ρ為3。[]p2p水ghap2pa水ghppv2ppv2000aa22水gg2ggg2g氣氣氣氣2gv229.80710000.15h

hv47.757m/s2水水1.29氣氣2g23.140.2247.757qd2Vv1.5m3/s44260o感謝閱讀徑，噴射流量=33.4L/s，，試求射流沿平板的分流流量QQ精品文檔放心下載12[]vvv012v0410368.076m/sd3.140.02522x.學(xué)習(xí)幫手...0QQ(v)Qvcosv11220QQQcos12QQQ22Q8.35L/s2QQQ25.05L/s感謝閱讀12精品文檔放心下載yF0Q(vsin60)0FQvsin601969.12N0感謝閱讀感謝閱讀QL/s謝謝閱讀1）精品文檔放心下載[]xyx精品文檔放心下載FqvV22cosqVv0y0qsinqvvvqV22V11V22qvsin0.5V110qvV220sinqvV11p12Cv2.學(xué)習(xí)幫手...pvv=v精品文檔放心下載a012F103cos100036103精品文檔放心下載F456.5N

F456.5Ndd謝謝閱讀12q3感謝閱讀V[]qVdd2v2v2v1124414q41.84q41.8V1.02m/s；v2.29m/sVd23.141.52d23.141.02212pv2pv2

011022

g2gg2gp2p1v2222v1.022.29103389.898kPa1222FFFp2d2pFp114qV2(v2v)1d2q24V(v2v)13.141.523.141.0210F389.8981.8(2.291.02)感謝閱讀3344F692721.18306225.172286感謝閱讀F3-3-1945感謝閱讀0d1d600mm，2q300mm，V強(qiáng)0.425/s，壓.學(xué)習(xí)幫手...p1140kPa，[]v

和vA

B4q40.4254Q40.425

vm/s；v16.02m/sVπdπ0.6πdπ0..32222

212p2v2v20.115m；1.849m122g2gp2p1v2v2g1409.81(0.1151.849)122.98kN/m122g2g2R精品文檔放心下載為R和R，x和yXYp24d22cosFyQ(v2cosp14d2p2p124d22cosFxQ(v2cosv)1FxFyp41dcosq(vV2p24v2coskNd2p2p12cos)=32.27kNvd224221cosqVFF2F2xytan1FyFx0FFF。感謝閱讀.學(xué)習(xí)幫手...3-20，在河道上修筑一大壩，謝謝閱讀q3hh感謝閱讀12[]qvvBhBhV1122qv2.