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PCM

Yasmin Simmons Tomer Hananel Tamás Álmos Vámi. PCM. How can we use Phase Change Materials to sustain house temperature without electricity ?. Problems : climate crisis greenhouse gas emissions air pollution usage of finite re s our c es. Introduction What are PCM’s? Our Idea

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PCM

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  1. YasminSimmons TomerHananel Tamás Álmos Vámi PCM HowcanweusePhaseChangeMaterialstosustain house temperaturewithoutelectricity?

  2. Problems: • climate crisis • greenhouse gas emissions • air pollution • usage of finite resources • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Introduction

  3. Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Introduction

  4. Green building • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Introduction

  5. Temperature is abovemeltingpoint • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Whatare PCM’s? Temperature is bellowmeltingpoint

  6. Storing PCM’s inthewalls of the house • The goal is tosustain a specifictemperaturerangefor human comfort • Decreasingtheusage of energybyreplacing air conditioners • Usedforheatingthe house inwinter and coolinginsummer • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Our Idea

  7. Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Oursolution is paraffins Formula: CnH2n+2 Our Idea

  8. Advantages: • Safety • Reliability & Stability • Predicability • Lowcost • Non-corrosive • Little volumechange Disadvantage: • Moderatelyflamability • Non-compatiblewithallplastic • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Paraffins

  9. How toproduce: • Fischer-Tropschreaction: • Usingcatalysis • Cobaltcatalysator • 200 °C • 200-300 bar (2*107 Pa) • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Paraffins

  10. Heptadecane C17H36 • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Paraffins • Octadecane C18H38

  11. Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Paraffins

  12. Problems: • Flamability • Liquidphase • Outsidetemperature Oursolution: • Polyacrylatelayerinside • Polystyrenelayeroutside • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Difficulties & Solutions

  13. Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Application ~2 mm ~2 cm ~2 mm ~2 cm

  14. Useparaffins: • Heptadecane • Octadecane • Storage in walls • Polyacrylatelayerencapsulating • Polystyrenelayeroutsidethe PCM The PCM willfunctionas a greenheaterorcoolerwith no use of electricity and no damageorpollution. • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Conclusion

  15. Total Cost per wall • 50kg of PCM Octadecane 2100$ • Heptadecane 8500$ • 150kg of Polyacrylate225$ • 130kg of Polystyrene195$ • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans FINAL PRICE per house: Octadecane 42520$ Heptadecane 48920$ Conclusion

  16. Avaragecost of electrictyusageforheating/cooling a house: 5000$ per year Octadecane-profitableafter 2 years Heptadecane-profitableafter 8 years • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Conclusion

  17. Thankyouforlistening! • Finding a PCM that has a meltingpoint of 25C with lowcosts • Creatingitusing a mixture of paraffins • Applyingthismethodinhousesaroundtheworld Saving energy!!!!!!!!!!!!!! • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans FuturePlans

  18. Pasupathyet al:Phase change material-based building architecturefor thermal management in residential andcommercialestablishments, In: Renewable and Sustainable Energy Reviews(2008) • Sánchez et al: Microencapsulation of PCMs with a polystyrene shell, In: ColloidPolymSci (2007) • http://www.chemicalland21.com/industrialchem/organic/n-OCTADECANE.htm • http://www.chemspider.com/Chemical-Structure.11892.html • A. Sharma et al. Review on thermal energy storage with phase changematerialsand applicationIn: Renewable and Sustainable Energy Reviews 13 (2009) • Introduction • Whatare PCM’s? • Our Idea • Paraffins • Difficulties & Solutions • Application • Conclusion • Futureplans Resources

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