Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could...

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Update from the National Science Foundation Wire Pool Rick Trask NSF Wire Pool Manager

Transcript of Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could...

Page 1: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

UpdatefromtheNationalScienceFoundation

WirePoolRickTrask

NSFWirePoolManager

Page 2: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

• SyntheticRope• .681PowerOpticCable

Topicsfordiscussion

Page 3: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

SyntheticRopeUpdate

Page 4: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

*  9/16”diameterPlasmaHICO12strandrope*  TwolengthspurchasedbytheWirePool:12,000mand10,000m*  12,000mlengthontheR/VNeilArmstrong*  10,000mlengthwentontheWestCoastWinchPool

DynaconTractionwinchforuseduringacoringcruiseontheR/VThomasThompsonforElisabethSikes7Novemberto19December2018

SyntheticRope

Page 5: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

*  1stCore,pistoncore:1544mmaxtension9500lbs.

*  2ndCore,alsopiston:1250m,maxtension20,000lbs.withslippageonthetractionheadsbuteventualpullout

TT1811Coring

Page 6: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There
Page 7: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

TensionRecordfromCore#2

5000lbs.

15,000lbs.

20,000lbs.

10,000lbs.

Page 8: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

*  Paper-likematerialpeeledoffthetractionheadgrooves,nosignofitontheropeitself.*  Duetotheslippage,1300mcutback.*  Continuedcoringcompleting38gravitycoresand1additionalpistoncore.*  Maxtensionfollowingcore#2was6900lbs.andmaxropeoutwas3825m.

CoringContinued

Page 9: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

*  8700mpiece(10,000m-1,300m)*  NominalBreakingLoad:37,900lbs.*  TestedBreakingLoad(New):43,350lbs.*  TBLafter38coringops:45,750lbs.

*  1300mpiecedamagedduetoslippage*  NominalBreakingLoad:37,900lbs.*  TestedBreakingLoad(New):43,350lbs.*  TBL:85%ofnewTBL,97%ofNBL36,790lbs.

BreakTestResults

Page 10: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

*  “AllpartiesinvolvedthinkthisstuffhasaLOTofpromiseforfuturecoringuse.”-DaleHubbard(OSU)

*  NothavingtheaddedweightofthewirealongwiththesensitivityoftheDynacontensiondisplay,theycoulddeterminequiteaccuratelywhetherthecorehadpenetratedorfellover.

*  Therewerenootherslippageeventsfollowingtheonethatoccurredduringthesecondcore.

*  LorenzoMcCoy(SIO)removedtheLebusshellandwirewheeledthetractionwinchgroovesinpreparationforusewithPlasmaHICO.

PostCruiseComments

Page 11: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

ANew.681PowerOpticCable

Page 12: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

Manufacturer:FibronpreviouslyCortlandStrengthMember:

Twolayersteelwirearmor41589lbsminimumbreakingstrength

(3)5mm^2strandedplaincopperpowerconductors(1)GellfilledSStubew/6singlemodeopticalfibersConfigurationmaybelesssusceptibletoopticalattenuationobservedondirectdrivewinches.

.681PowerOpticCable

Page 13: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There
Page 14: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There
Page 15: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

Title7

Page 16: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

Cores after Water Block Process

Once the Water BlockProcess is complete, The core will be Wrap in Copper Tape

Page 17: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

*  KeigwincoringcruiseinSept2019onR/VNeilArmstrongisplanningonusingthePlasmaHICOsyntheticrope*  TakedeliveryinJuneofthe.681PowerOpticcablefrom

Fibron*  Fibronprovidinga1000msampleforelectricalandoptical

attenuationtesting*  TrialsyntheticcabletobepurchasedandCBOStested

monitoringtheconductorperformanceandcomparedto.322testedsimultaneouslyundersimilarconditions

LookingAhead

Page 18: Update from the National Science Foundation Wire Pool · of the Dynacon tension display, they could determine quite accurately whether the core had penetrated or fell over. * There

THANKYOU


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