LN2 Certification Level 2: LN2 Use for Overclocking “personal”

Prepared'by'

Our'Mission''•  Evangelize'overclocking'•  Convert'enthusiasts'in'to'passionate'overclockers'•  Support'the'community'•  Further'professionalize'extreme'overclocking'''

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Disclaimer HWBOT'or'any'of'its'representaHves'accepts'no'liability'for'the'content'of'this'presentaHon,'or'for'the'consequences'of'any'acHons'taken'on'the'basis'of'the'informaHon'provided.''HWBOT'shall'not'be'liable'for'any'loss'or'damage'of'whatever'nature'(direct,'indirect,'consequenHal,'or'other)'whether'arising'in'contract,'tort'or'otherwise,'which'may'arise'as'a'result'of'the'use'of'(or'inability'to'use)'cryogenic'gases'and/or'liquids'of'any'kind.''This'presentaHon'is'published'for'general'informaHon'purposes.'Any'use'made'of'the'informaHon'in'this'presentaHon'by'the'reader'is'their'sole'responsibility.'These'safety'informaHon'have'been'prepared'by'HWBOT'based'upon'established'industry'safety'standards'and'recognized'resources.'Although'HWBOT'deems'the'data'in'these'documents'accurate,'HWBOT'cannot'be'held'liable'should'their'content'fail'to'meet'the'legal'sHpulaHons'applicable'in'any'jurisdicHons'it'may'be'applied'into.'''The'HWBOT'LN2'CerHficaHon'presentaHons'are'subject'to'revision.'Visit'our'website'to'ensure'that'you'have'the'latest'version.''' Copyright'HWBOT'2015'

Course summary

1.  About'Liquid'Nitrogen'(reminder)'2.  LN2'for'Overclocking'&'Safe'Use'

a.  Vocabulary'b.  Usage'flow'c.  PPE'

3.  General'manipulaHon'rules'4.  Personal'use'of'LN2'at'home'5.  To'go'further'

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About Liquid Nitrogen (reminder)

•  LN2'='Liquid'Nitrogen'•  Cryogenic'liquid'

•  Boiling'point'below']150°C'•  Most'used'cryogenics'gases:'nitrogen(LN2)'&'

helium(LHe)'•  Evaporated,'volume'='x700'(raHo'1:700)'•  Colourless,'Odourless,'Tasteless'

•  LN2'Temperature:']196°C'or']320°F'•  Non'flammable,'non'explosive,'non'toxic'

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LN2 use for overclocking Vocabulary'

Copyright'HWBOT'2015'Tank'/'Ranger' Dewar' Thermal'Flask' Container'

LN2 use for overclocking Order'of'use'(any'other'way'is'wrong!)'

Copyright'HWBOT'2015'Tank'/'Ranger' Dewar' Thermal'Flask' Container'

LN2 use for overclocking Order'of'use'(any'other'way'is'wrong!)'

Copyright'HWBOT'2015'Tank'/'Ranger' Dewar' Thermal'Flask' Container'

opHonal'

General manipulation rules

•  Use'Thermal'Flasks'•  Use'metallic'flasks'only']'Never'use'glass'flasks!'•  Only'pour'LN2'from'the'flask'into'your'container'

•  No'plasHc'cups,'paper'cups'and'other'DIY'techniques'•  Do'not'use'the'dewars'to'pour'into'your'container'

•  Keep'an'organized'bench'desk'•  Don’t'play'with'LN2,'its'a'tool']'not'a'game!'

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LN2 for overclocking: at home

•  Always'keep'the'room'well'venHlated'•  We'recommend'to'keep'a'window'open'at'all'Hmes.'

•  Secure'your'bench'area'&'Keep'it'Hdy'•  Keep'the'LN2'out'of'reach'of'childrens'

•  Do'not'allow'children'to'play'around'your'rig'•  Never'leave'LN2'or'your'OCed'system'unajended'•  If'possible'store'your'dewar'outdoors''

•  Do'not'let'anyone'“play”'with'LN2'

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LN2 deware operation

•  Only'use'dewars'designed'to'withhold'LN2'•  Only'fill'in'well'venHlated'areas'•  Never'overfill'a'dewar'•  Treat'dewars'with'care'and'use'adapted'

equipment'to'move'them'if'over'25L'•  Always'close'the'dewar'with'the'provided'cork,'

do'not'use'anything'else!'

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To go further

• AddiHonal'cerHficaHons'courses'available:'• Next'CerHficaHon'Levels''

•  Level'3:'LN2'for'Overclocking'“with'others”'•  Level'4:'LN2'for'Overclocking'“public'demonstraHons”'

•  Train'others'•  Be'able'to'train'others'to'the'safe'use'of'LN2'for'overclocking'

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Thanks QuesHons?'Contact'us.''

Pieter'Jan]Plaisier''

+886'970'726'470''pieter@hwbot.org'

Copyright'HWBOT'2015'

Timothée'Pineau''

xyala@hwbot.org'

+886'970'203'741'

References •  Air'Liquid'Encyclopedia,'Physical'properHes'of'Cryogenics.'Retrieved'on'December'2014'from'hjp://encyclopedia.airliquide.com/help.asp?LanguageID=11'

•  D.R.'LIDE,'Handbook'of'Chemistry'and'Physics,'88th'Ed,'Editor'CRC'Press,'2007]2008.'

•  Gas'Encyclopedia,'Air'Liquide,'Editor'Elsevier,'1976.'

•  Handbook'of'Compressed'Gases,'4th'Ed,'Editor'Kluwer'Academic'Pub,'1999.'

•  InternaHonal'standards:'Gas'cylinders']'CompaHbility'of'cylinder'and'valve'materials'with'gas'contents']]'Part'1:'ISO'11114]1'(May'2012),'Part'2:'ISO'11114]2'(March'2001).'

•  Linde'Group,'Handling'of'Cryogenic'liquefied'gases.'Retrieved'on'December'2014'from'hjp://www.linde]gas.fr/internet.lg.lg.fra/fr/images/Handling%20of%20cryogenic%20liquefied%20gases201_72930.pdf'

•  Linde'Group,'Handling'of'Gas'Cylinder.'Retrieved'on'December'2014'from'hjp://www.linde]gas.fr/internet.lg.lg.fra/fr/images/Handling%20of%20Gas%20Cylinders%20at%20and%20aver%20Fire%20or%20Heat%20Exposure201_72931.pdf'

•  Linde'Group,'Oxygen'deficiency.'Retrieved'December'on'2014'from'hjp://www.linde]gas.fr/internet.lg.lg.fra/fr/images/Oxygen%20deficiency201_72932.pdf'

•  Linde'Group,'Handling'refrigerated'liquefied'nitrogen'in'transportable'cryogenic'receptacles.'Retrieved'on'December'2014'from'hjp://www.linde]gas.fr/internet.lg.lg.fra/fr/images/Handling%20refrigerated%20liquefied%20nitrogen%20in%20transportable%20cryogenic%20receptables201_72944.pdf'

•  Mayoclininc.org,'Frostbite:'first'aid.'Retrieved'on'January'2015'from'hjp://www.mayoclinic.org/first]aid/first]aid]frostbite/basics/art]20056653'

•  Praxair,'Nitrogen'Refrigerated'Liquid.'Retrieved'on'January'2015'from'hjp://www.praxair.com/~/media/North%20America/US/Documents/SDS/Liquid%20Nitrogen%20Medipure%20Gas%20N2%20Safety%20Data%20Sheet%20SDS%20P4630.pdf'

•  The'university'of'Auckland,'Safe'storage'of'liquid'nitrogen.'Retrieved'on'February'2015'from'hjps://cdn.auckland.ac.nz/assets/science/for/current]students/HR/health]safety]wellness/documents/SMOU%2021%20Safe%20Storage%20of%20Liquid%20Nitrogen%20(2)%20(2).pdf'

•  The'University'of'Auckland,'Cryogenic'Liquids.'Retrieved'on'February'2015'form'hjps://cdn.auckland.ac.nz/assets/science/for/current]students/HR/health]safety]wellness/documents/SMOU18]Cryogenic%20Liquids.pdf'

•  The'University'of'Auckland,'Safety'guidelines'for'cryogenic'materials.'Retrieved'on'February'2015'from'hjps://cdn.auckland.ac.nz/assets/science/for/current]students/HR/health]safety]wellness/documents/cryogenic_materials_guide.doc'

•  Web'Health'Center,'Different'Kinds'of'Asphyxia.'Retrieved'on'January'2015'from'hjp://www.webhealthcentre.com/HealthyLiving/first_aid_drown.aspx'

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