先秦历史散文.ppt

万方数据
DescentAscent(2)Ultralarge琲126船舶力学2008l2Ming-,;:.(1978-)malePhDstudent,眦V0112No6Dec2008:———珻Weichen92琣瑆submersiblesforcesTheconsideredThesubmersiblewordsdeepcodeA痬:——,150001China·。;
万方数据
\醉\\暴疗‘疕‘瓽’.⋯’...,mersibleS/。篤痵velocityUVin,,,;,籔,瑀∞,,.theoremwefollowsmassF疭RighthandMingxue:YooW:
万方数据
鬻焉22Ml=m+A=2=m+A,,,,;R峨呜f62V2Zg)+6+[()+PI即埘%吩弧ひ籅臼选。璓五。。%一%伽弧形一曰】易JcoS}5submersibleSPlforce也慨卅Eq(2)subscripts瑃琯,,—ment)rudderforce(moment)respectivelyVehicle(uuv)butas(3)and(4)乞,疭籥;7(g)Z7(ocq)'M(q)'hydrodynamicEq(3)isplaneEq(3)has船舶力学126疭WsubmersibleS.、、瑃descentascentsubmersibleThustheymodelquestionitsi=b2=a2bs=mmsubmersibleS;,疭inertia;BsubmersibleS;痵q=Osubmersiblesangle7submersiblespitchlJcoordinates,..where
万方数据
————————————————————————————————————————————————~X7(g)Z7(g)M(97)Reference1presented7(g)Z(aq)M7(gwbuoyancy6X(q)Z7(q)M7(q7)theWbuoyancv7(q)curvesub琿7)Z7(aq7)M7(q,刃埃琿7)M(q久鵴’形,,-03037mersibleSbasin/,faceVbe弧鱠瑂pressureVobesurfaceVobeMingxue,qexostructureP卜eonuse。。
万方数据
——————————————————————————————————————一一一胹V=V■W=+(LJDVp)=(V+V)p0+(p-VP)以V=Vo+Eq(8)wedepthIn(2-4)JDandEq(9)if@船舶力学126,∥,%V=Vo+,depthdifference瑂琕。。Veachvalue!roodeJfcefficients.,、、,
万方数据
晃匕』Fig4)6“船\where;ballastdescentascent疭/theP‘‘眘P
万方数据
船舶力学126Wbuoyancy7(q)Z7(dqMfg7)and,basinitX()%,,.—.speakinga,“。洌甒,/甌Pdescendingonebuoyancythe甌疭descendsascendsseaButforsubmersibles瑃郺【(2)
万方数据
大深度潜器潜浮运动的建模与仿真1,2226哈尔滨工程大学,哈