欢迎来到天天文库
浏览记录
ID:32412905
大小:2.23 MB
页数:6页
时间:2019-02-04
《船舶底部纵剖轮廓线扫描测量方法》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、第14卷第2期交通运输工程学报Vol.14No.22014年4月JournalofTrafficandTransportationEngineeringApr.2014文章编号:16711637(2014)02006206船舶底部纵剖轮廓线扫描测量方法吴俊1,2,丁繰奇1,余葵1,李晓飚1,马希钦1(1.重庆交通大学西南水运工程科学研究所,重庆400016;2.重庆交通大学内河航道整治技术交通行业重点实验室,重庆400016)摘要:分析了船舶底部纵剖轮廓线的单点测量原理,利用声波测量组件往复扫描,测量多个吃水部位,将船舶航
2、速、扫描距离、扫描速度等数据进行有效处理,提出了一种新的基于单波束声呐传感器的船舶底部纵剖轮廓线测量方法。以声波接收场的面积为约束条件,给出了船舶底部边缘的判断判据,推导了船舶底部轮廓线的重构公式,并利用小比尺船模进行仿真试验。试验结果表明:当船舶航速为2cm·s-1时,测得19个轮廓点数据,船艏、船艉吃水分别为2.91、3.09cm,吃水差为-1时,测得10个轮廓点数据,船艏、船尾吃水分别为2.79、3.15cm,0.18cm;当船舶航速为4cm·s吃水差为0.36cm。所有测点一致性较好,船舶航行姿态与实际相符。关键词:船舶
3、工程;纵剖轮廓线;声呐传感器;扫描;测量方法;吃水中图分类号:U666.75文献标志码:A犛犮犪狀狀犻狀犵犿犲犪狊狌狉犲犿犲狀狋犿犲狋犺狅犱狅犳犫狌狋狋狅犮犽犮狅狀狋狅狌狉犾犻狀犲犪狋狊犺犻狆犫狅狋狋狅犿1,2,DINGShenqi1,YUKui1,LIXiaobiao1,MAXiqin1WUJun(1.SouthwestResearchInstituteofWaterEngineering,ChongqingJiaotongUniversity,Chongqing400016,China;2.KeyLaboratoryo
4、fInlandWaterwayEngineeringofMinistryofTransport,ChongqingJiaotongUniversity,Chongqing400016,China)犃犫狊狋狉犪犮狋:Thesinglepointmeasurementprincipleofbuttockcontourlineatshipbottomwasanalyzed.Acousticmeasurementcomponentswereusedtomeasureseveraldraughtpointsthroughreciproc
5、atingscanning,variousparametersincludingshipsailingspeed,scanningdistanceandscanningspeedwereeffectivelyprocessed,andanewmeasurementmethodofbuttockcontourlineatshipbottombasedonsinglebeamsonarsensorwasproposed.Theacousticreceivingareawastakenasconstraintcondition,th
6、ejudgementcriterionofshipbottomedgewascarriedout,thereconstructionformulaofbuttockcontourlineatshipbottomwasdeduced,andsimulationtestwascarriedoutbyusingsmallscaledshipmodel.Testresultshows-1,19contourpointsaremeasured,thedraughtsofshipbowthatwhenshipsailingspeedis2c
7、m·sandpoopare2.91and3.09cmrespectively,andthetrimis0.18cm.Whenshipsailingspeedis-1,10contourpointsaremeasured,thedraughtsofshipbowandpoopare2.79and3.15cm4cm·srespectively,andthetrimis0.36cm.Allthemeasuredpointdataareofgoodconsistency,andthesailingattitudeisconsistent
8、wellwiththeactualstate.1tab,11figs,19refs.犓犲狔狑狅狉犱狊:shipengineering;buttockcontourline;sonarsensor;scanning;measurementmethod;draugh
此文档下载收益归作者所有