• Home

  • Documents

  • Structural Health Monitoring of Industrial Piping Systems Using … · 2008. 3. 4. · ®¡µ±¡®...
16
3TRUCTURAL(EALTH-ONITORINGOF)NDUSTRIAL0IPING3YSTEMS 5SING'UIDED%LASTIC7AVES &3CHUBERT "&RANKENSTEIN$(ENTSCHEL+*&RHLICH-+ﾓTTNER",AMEK &RAUNHOFER)NSTITUTEFOR.ONDESTRUCTIVE4ESTING):&0$RESDEN"RANCH'ERMANY *3CHWENKKROS$/73TADE'ERMANY ++ERKHOF-0!5NIVERSITﾛT3TUTTGART'ERMANY 20ETRICEVIC.EUE-ATERIALIEN7ﾓRZBURG'MB('ERMANY !BSTRACT'UIDEDELASTICWAVESINTHEFREQUENCYRANGEOFAFEWHUNDREDK(ZGENERATEDANDDETECTEDBYAPPRO PRIATETRANSDUCERARRAYSAREUSEDTOMONITORTHESTRUCTURALINTEGRITYOFPIPESBYCOMPARINGTHEIRACTUALSTATEWITH APREDEFINEDREFERENCESTATE&ORTHESEPURPOSESTHEORETICALNUMERICALANDEXPERIMENTALRESULTSARECOMBINEDTO STUDYGUIDEDWAVEPROPAGATIONANDWAVEINTERACTIONWITHRELEVANTDEFECTSINDETAIL"ASEDONTHESEFINDINGSA GUIDEDWAVEBASEDMULTICHANNELSTRUCTURALHEALTHMONITORING3(-SYSTEMISDESIGNEDANDAPPLIEDTOIDENTIFY ANDMONITORSTRUCTURALDEFECTSINVARIOUSPIPINGCOMPONENTS4HEPOTENTIALUSEOFSYNTHETICAPERTURETECHNIQUES IS DISCUSSED YIELDING SPATIAL DISTRIBUTIONS OF DAMAGE PARAMETERS ALONG THE PIPE 4HE RESULTS REVEAL THAT GUIDED WAVE BASED 3(- IN THE K(Z FREQUENCY REGIME HAS GREAT POTENTIAL FOR ONLINE MONITORING OF PIPING SYSTEMS )T COMBINESIMAGINGTECHNIQUESWITHLONGRANGEDETECTIONCAPABILITIESANDTHEREFORECLOSESTHEGAPBETWEENLOCAL HIGHFREQUENCY.$%ONTHEONEHANDANDGLOBALLOWFREQUENCYVIBRATIONANALYSISONTHEOTHERHAND +EYWORDS'UIDEDELASTICWAVES3TRUCTURALHEALTHMONITORING3(-0IPINGSYSTEMS ).42/$5#4)/. -ANYPIPESANDPIPINGSYSTEMSAREPARTLYORTOTALLYINACCESSIBLEFROMTHEOUTSIDEEGBYBE INGISOLATEDLYINGUNDERWATERORBEINGBURIEDINSOIL4HEREFOREITISNOTPOSSIBLETODETECT DEFECTSLIKECRACKSORCORROSIONWITHOUTREMOVINGTHEISOLATIONORUNCOVERINGTHEPIPEITSELF WHICHISVERYCOSTLYANDINMANYCASESUTTERLYIMPOSSIBLE&ORTHESEKINDSOFPROBLEMSLONG RANGE INSPECTION SYSTEMS ARE NEEDED &OR CORROSION TESTING OF AREAS OF LIGHT POLES AND PIPES ULTRASONIC BASED TESTING SYSTEMS ARE ALREADY AVAILABLE EG;= (OWEVER THE SYSTEMS IN THEIRPRESENTFORMARENOTVERYWELLSUITEDFOR3(-PURPOSESDUETOSIZEANDCOSTS)NORDERTO COVERACOMPLETEINDUSTRIALPLANTWITHALARGENUMBEROFTRANSDUCERUNITSNEWAPPROACHESFOR MEASUREMENTHARDWARESENSORTECHNOLOGYANDDATAEVALUATIONARENECESSARY4HISISONEOF THE MAIN GOALS OF THE ONGOING %UROPEAN 3!&% 0)0%3 PROJECT &IRST RESULTS OF THIS WORK ARE PRESENTEDINTHEFOLLOWINGTOGETHERWITHSOMEBASICSOFGUIDEDWAVEPROPAGATIONINPIPES 3425#452!,(%!,4(-/.)4/2).'53).''5)$%$%,!34)#7!6%3 4RADITIONAL VIBRATIONBASED MONITORING TECHNIQUES PROVIDE GLOBAL INFORMATION ON A STRUCTURE UNDERINVESTIGATIONBYIDENTIFYINGANDANALYZINGSPECIFICRESONANCEMODESANDBYCHARACTER IZING THE CONDITION OF MOUNTINGS AND DAMPERS $UE TO THE LOW FREQUENCIES ONLY LARGE STRUC

Structural Health Monitoring of Industrial Piping Systems Using … · 2008. 3. 4. · ®¡µ±¡® ÆÓïá ËÁÑ æë ÍÏÌÄÏÂÐÐ ®¡°µ²¡® ÆÓïá ËÁÑ æë ÍÏÌÄÏÂÐÐ

  • Upload
    others

  • View
    1

  • Download
    0

Embed Size (px)

Citation preview

  • ! !

    !

    !

    !

    " " " "

    #

    #

  • ! !

  • Edelmetall - Elektroden

    Signalkabel

    LaGaSi - Einkristall

    Glaslot

    Stahlrohr


< µ v ] ( ( v u µ ( ] v } v µ Æ ] À } ] v o - Katun

< µ v ] ( ( v u µ ( ] v } v µ Æ ] À } ] v o - Katun

Documents
109477655 Piping Manhours

109477655 Piping Manhours

Documents
W } µ µ } ] } i M D } Ç v µ o v µ projet CAPABLE.pdf · D } Ç v µ o v µ / u o ] µ o ] ] v v o } v ] } v Title: Microsoft Word - CAPABLE_Flyer-v2 Author: PC Created Date:

W } µ µ } ] } i M D } Ç v µ o v µ projet CAPABLE.pdf · D } Ç v µ o v µ / u o ] µ o ] ] v v o } v ] } v Title: Microsoft Word - CAPABLE_Flyer-v2 Author: PC Created Date:

Documents
Metallic industrial piping - Part 4: Fabrication and

Metallic industrial piping - Part 4: Fabrication and

Documents
W o v d v ] } ] o [ µ ] } v µ µ µ v ] î ì í ô r î ì î ì

W o v d v ] } ] o [ µ ] } v µ µ µ v ] î ì í ô r î ì î ì

Documents
Canalisations et Accessoires Piping system and building

Canalisations et Accessoires Piping system and building

Documents
ภาคผนวก - cmuir.cmu.ac.thcmuir.cmu.ac.th/bitstream/6653943832/39277/2/APPENDIX.pdf75 ส่วนที่ 2 ค ำชี้แจง Ä®o εÁ ¦ºÉ° ®¤µ¥

ภาคผนวก - cmuir.cmu.ac.thcmuir.cmu.ac.th/bitstream/6653943832/39277/2/APPENDIX.pdf75 ส่วนที่ 2 ค ำชี้แจง Ä®o εÁ ¦ºÉ° ®¤µ¥

Documents
Rapport Version finale - DROM-COM...ï ^ Ç v Z ó > ] } u u v ] } v í ï í X > ] ( ( ] µ o µ P ] } u u µ v ] v o o v o µ u o µ o µ

Rapport Version finale - DROM-COM...ï ^ Ç v Z ó > ] } u u v ] } v í ï í X > ] ( ( ] µ o µ P ] } u u µ v ] v o o v o µ u o µ o µ

Documents
v À v ] } i ] ] } v ( } ! Z µ À o µ } o } P ] µ ~ µ

v À v ] } i ] ] } v ( } ! Z µ À o µ } o } P ] µ ~ µ

Documents
¾Â ¦ g ¨ à ÷ ¢ ³ & µ o ^ ] v : µ ] ] µ U } v } u ] µ ...droit.ump.ma/uploads/files/1/ExamRatt-1920/5e34650521971.pdf · h v ] À ] D } Z u u W u ] & µ o ^ ] v : µ ]

¾Â ¦ g ¨ à ÷ ¢ ³ & µ o ^ ] v : µ ] ] µ U } v } u ] µ ...droit.ump.ma/uploads/files/1/ExamRatt-1920/5e34650521971.pdf · h v ] À ] D } Z u u W u ] & µ o ^ ] v : µ ]

Documents
y/s u : } µ v [ µ } u v o [ ^ d t & ys u : } µ v µ KE ... · ys u : } µ v µ KE D d , o o } & rD ] v U o ì ô u î ì í ô µ o o ] v [ ]

y/s u : } µ v [ µ } u v o [ ^ d t & ys u : } µ v µ KE ... · ys u : } µ v µ KE D d , o o } & rD ] v U o ì ô u î ì í ô µ o o ] v [ ]

Documents
Agrojournalistes visite 170623...Z µ v ] } v > Z } ] t o ( ] o U D Z o u î ï i µ ] v î ì í ó r s ] ] P } i } µ v o ] î > u ] v ] ( µ ] o ] o [ } µ ] µ v u ] v ] µ ] }

Agrojournalistes visite 170623...Z µ v ] } v > Z } ] t o ( ] o U D Z o u î ï i µ ] v î ì í ó r s ] ] P } i } µ v o ] î > u ] v ] ( µ ] o ] o [ } µ ] µ v u ] v ] µ ] }

Documents
F: ulletinactivite ul199908A99 · 2019. 5. 20. · P 86/99 µ µ ( , 3 µ 1999) µ µ µ RCD (Rassemblement Congolais pour ... 01.09.99 C4-0717/98 ROCARD ( ) 01.09.99 C4-0219/99 BLOKLAND

F: ulletinactivite ul199908A99 · 2019. 5. 20. · P 86/99 µ µ ( , 3 µ 1999) µ µ µ RCD (Rassemblement Congolais pour ... 01.09.99 C4-0717/98 ROCARD ( ) 01.09.99 C4-0219/99 BLOKLAND

Documents
Z } [ À o µ ] } v o u ] v µ À µ ^ ' µ } µ o } v v ] W ... · µ í i v À ] î ì í ñ µ ï í u î ì í ò X / o v µ Æ v v } v µ ] À v ] } v µ ( ]

Z } [ À o µ ] } v o u ] v µ À µ ^ ' µ } µ o } v v ] W ... · µ í i v À ] î ì í ñ µ ï í u î ì í ò X / o v µ Æ v v } v µ ] À v ] } v µ ( ]

Documents
Dossier pédagogique Boouuhh sept 2016 - WordPress.com€¦ · h } } µ µ Z Z J J J i ] µ u P ] µ } µ v } µ µ v } ] ( v u WZ ^ Ed d/KE h ^W d > > ] ] µ ] } v W µ µ U ]

Dossier pédagogique Boouuhh sept 2016 - WordPress.com€¦ · h } } µ µ Z Z J J J i ] µ u P ] µ } µ v } µ µ v } ] ( v u WZ ^ Ed d/KE h ^W d > > ] ] µ ] } v W µ µ U ]

Documents
Ìç²µ Òè µ - LE BRETAGNE

Ìç²µ Òè µ - LE BRETAGNE

Documents
Paques 2017-FINAL Enregistré automatiquement...h h v } ] À ] À v P À } µ i W > W/d d/KE Z µ v v v } µ À } µ } o o ] ] } v } µ o ] ] } v µ ] v } µ o o À ( } v v o [ v

Paques 2017-FINAL Enregistré automatiquement...h h v } ] À ] À v P À } µ i W > W/d d/KE Z µ v v v } µ À } µ } o o ] ] } v } µ o ] ] } v µ ] v } µ o o À ( } v v o [ v

Documents
%8&.,1*+$0 - jaimemoncampdejour.ca · &KhZ D/ ZK rKE ^ n s µ ] o o Ì v v } µ [ ] o ] u } ] o ( ] Z µ ( ( o o µ v Z µ ( } µ u ] } r } v X

%8&.,1*+$0 - jaimemoncampdejour.ca · &KhZ D/ ZK rKE ^ n s µ ] o o Ì v v } µ [ ] o ] u } ] o ( ] Z µ ( ( o o µ v Z µ ( } µ u ] } r } v X

Documents
fiches-variete reseau-bio-6mai2019 · Z u [ P ] µ o µ U Zs >/^ t / v ] µ µ À P o U /EZ U ' } µ u v } ( ] } v v o ] } o } P ] µ U

fiches-variete reseau-bio-6mai2019 · Z u [ P ] µ o µ U Zs >/^ t / v ] µ µ À P o U /EZ U ' } µ u v } ( ] } v v o ] } o } P ] µ U

Documents
D } Ç v v ^ ] } v r ^ u ] v î - ac-reunion.fr · D } Ç v v ^ ] } v r ^ u ] v î / v ( } u ] } v W > } µ µ v µ } À } µ } } } µ µ v ] À ] U } v À } µ o ] o

D } Ç v v ^ ] } v r ^ u ] v î - ac-reunion.fr · D } Ç v v ^ ] } v r ^ u ] v î / v ( } u ] } v W > } µ µ v µ } À } µ } } } µ µ v ] À ] U } v À } µ o ] o

Documents
Isabelle.Bloch@enst.fr bloch · XestA et Y estB µ A∧B(x,y) = t[µ A(x),µ B(y)] • Disjonction XestA ou Y estB µ A∨B(x,y) = T[µ A(x),µ B(y)] • Négation µ¬A(x) = c[µ

[email protected] bloch · XestA et Y estB µ A∧B(x,y) = t[µ A(x),µ B(y)] • Disjonction XestA ou Y estB µ A∨B(x,y) = T[µ A(x),µ B(y)] • Négation µ¬A(x) = c[µ

Documents
Modélisation du renard hydraulique et interprétation de l ... · Mo delling piping ero sion and interpretation of the hole erosion test A phenomenon calied < piping > often

Modélisation du renard hydraulique et interprétation de l ... · Mo delling piping ero sion and interpretation of the hole erosion test A phenomenon calied < piping > often

Documents
PPR PIPING SYSTEM - bsc.bebsc.be/wp-content/uploads/2015/06/NUPIGECO2520PPRFR.pdf · 2 ppr piping system table des matiÈres 4 donnÉes techniques 4.1 propriÉtÉs chimiques, physiques

PPR PIPING SYSTEM - bsc.bebsc.be/wp-content/uploads/2015/06/NUPIGECO2520PPRFR.pdf · 2 ppr piping system table des matiÈres 4 donnÉes techniques 4.1 propriÉtÉs chimiques, physiques

Documents
0(-1.)%'(#&-..'( · ! hv }u Pvv Pµ] µ ] [} µ ouµ ] µ }] }µ o] µÆ o}Áv o } ] ]o] v µ o o }v V

0(-1.)%'(#&-..'( · ! hv }u Pvv Pµ] µ ] [} µ ouµ ] µ }] }µ o] µÆ o}Áv o } ] ]o] v µ o o }v V

Documents
RACCORDS EN ACIER FORGÉ spécifications matières · SOMMAIRE 1 2345678 CONTENTS 448 TROUVAY & CAUVIN – PIPING EQUIPMENT 2001 PIPING EQUIPMENT 2001 – TROUVAY & CAUVIN …

RACCORDS EN ACIER FORGÉ spécifications matières · SOMMAIRE 1 2345678 CONTENTS 448 TROUVAY & CAUVIN – PIPING EQUIPMENT 2001 PIPING EQUIPMENT 2001 – TROUVAY & CAUVIN …

Documents
i L # ` N Atolone/Linguistique/ManuelUnitex.pdf · i L # ` N A ` y ¡ £¢¥¤y ¥ ¨ ©]ªQ« ¬T® ¯y ±_«\²³®Qª ´ µ ©@ª @« ·2¸¹¸³·d«\²³®Zª#¯»º ¼½ª ²¾«

i L # ` N Atolone/Linguistique/ManuelUnitex.pdf · i L # ` N A ` y ¡ £¢¥¤y ¥ ¨ ©]ªQ« ¬T® ¯y ±_«\²³®Qª ´ µ ©@ª @« ·2¸¹¸³·d«\²³®Zª#¯»º ¼½ª ²¾«

Documents
µ¦ ¦· ¸Én®µ¦ n° ¨ ·Í ¨ ´¸ µ µ¦Á¦¤§ ¥ ° ´¸ Á¦¥ Ä Ã¦ Á ... · BANCHA SIRIREANGCHAI : ADMINISTRATIVE FACTORS AFFECTING STUDENTS’ ACHIEVEMENT IN SCHOOLS

µ¦ ¦· ¸Én®µ¦ n° ¨ ·Í ¨ ´¸ µ µ¦Á¦¤§ ¥ ° ´¸ Á¦¥ Ä Ã¦ Á ... · BANCHA SIRIREANGCHAI : ADMINISTRATIVE FACTORS AFFECTING STUDENTS’ ACHIEVEMENT IN SCHOOLS

Documents
&2175( /$ 5()250( '(6 5(75$,7(6 -2851(( '¶$&7,21 …...} v µ U ] o µ P v ( ] v v µ [ µ r } o µ ] } v Æ ] v µ o o v o P } µ r À v u v X D ] } µ r r } µ À } ] u o ] ] }

&2175( /$ 5()250( '(6 5(75$,7(6 -2851(( '¶$&7,21 …...} v µ U ] o µ P v ( ] v v µ [ µ r } o µ ] } v Æ ] v µ o o v o P } µ r À v u v X D ] } µ r r } µ À } ] u o ] ] }

Documents
Laboratoire de Probabilités, Statistique et Modélisation (LPSM, … · 2016. 9. 2. · ÐÎ}ÐÏ Û Z³ ´ º · ¹ ´¾´¶· µ ºwÈi¹®Ñ}Ò È ÁÆÅ ¸ ° Á ±º^ÌQ¹®Ñ}Ò

Laboratoire de Probabilités, Statistique et Modélisation (LPSM, … · 2016. 9. 2. · ÐÎ}ÐÏ Û Z³ ´ º · ¹ ´¾´¶· µ ºwÈi¹®Ñ}Ò È ÁÆÅ ¸ ° Á ±º^ÌQ¹®Ñ}Ò

Documents
> v } À } v Z u ] µ u ] } v ] v ] À ] µ o o } µ o µ

> v } À } v Z u ] µ u ] } v ] v ] À ] µ o o } µ o µ

Documents