LRAD测量管道内表面α污染活度方法研究的开题报告Title:ResearchonMethodforMeasurementofαContaminationActivityontheInnerSurfaceofPipelinesUsingLRADIntroduction:Alphaparticlesarehighlyionizingradiationthatposesignificantriskstohumanhealthandsafety.Thecontaminationinpipelinescanleadtosignificantexposuretoalphaparticles,makingitessentialtodevelopreliablemethodsformeasuringαcontaminationactivity.Laser-ResonantPhotoacousticDetection(LRAD)isasensitivetechniqueusedtomeasureαcontaminationactivityontheinnersurfaceofpipelines.TheobjectiveofthisresearchistoevaluatetheeffectivenessofLRADinmeasuringαcontaminationactivityontheinnersurfaceofpipelines.Methods:Apipelinewillbeselectedforanalysisandcleaning,afterwhichitwillbecoatedwithaknownα-emittingsource.AnLRADsystemwillthenbeusedtomeasuretheαcontaminationactivitybydetectingacousticpressurewavesgeneratedbytheαparticles.TheactivityresultsobtainedusingtheLRADsystemwillthenbecomparedwiththeresultsobtainedusingtraditionalαspectroscopy.ExpectedResults:Theresearchisexpectedtoproduceamethodformeasuringαcontaminationactivityontheinnersurfaceofpipelinesthatismorereliableandsensitivethantraditionalαspectroscopy.TheLRADsystemisanticipatedtodetectsmallerαcontaminationlevels,whichisessentialincaseswherelowlevelsofcontaminationexist.Conclusion:ThemethodformeasuringαcontaminationactivityontheinnersurfaceofpipelinesusingLRADhassignificantpotentialinthefieldofradiologicalsafety.TheresearchplanstoshowthattheLRADsystemisavaluabletoolinmeasuringαcontaminationandpotentiallyreducingtherisksofexposuretoalphaparticles.Thesuccessfulimplementationofthismethodwillcontributetothedevelopmentofareliabletechniqueforevaluatingαcontaminationontheinnersurfacesofpipelines.