This site uses cookies to deliver our services and to show you relevant ads and presentations. By clicking on "Accept", you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Use.
X

Download Energy and Nanotechnology PowerPoint Presentation


Login   OR  Register
X


Iframe embed code :



Presentation url :

X

Description :

Available Energy and Nanotechnology powerpoint presentation for free download which is uploaded by steve an active user in belonging ppt presentation Science & Technology category.

Tags :

nanotechnology | nanotech | new technology | future technology | future tech | energy and nanotechnology

Home / Science & Technology / Science & Technology Presentations / Energy and Nanotechnology PowerPoint Presentation

Energy and Nanotechnology PowerPoint Presentation

Ppt Presentation Embed Code   Zoom Ppt Presentation

About This Presentation


Description : Available Energy and Nanotechnology powerpoint presentation for free download which is uploaded by s... Read More

Tags : nanotechnology | nanotech | new technology | future technology | future tech | energy and nanotechnology

Published on : Aug 07, 2014
Views : 323 | Downloads : 0


Download Now

Share on Social Media

             

PowerPoint is the world's most popular presentation software; you can create professional Energy and Nanotechnology powerpoint presentation with this powerful software easly. And give your presentation on Energy and Nanotechnology in conference, a school lecture, a business proposal or in webinar.

Uploader spend their valuable time to create this Energy and Nanotechnology powerpoint presentation slides, to share their knowledgable content with the world. This ppt presentation uploaded by worldwideweb in their relavent Science & Technology category is available for free download and use according to your industries likefinance,marketing,education,health and many more.

SlidesFinder.com provides a platform for marketers, presenters and educationists along with being the preferred search engine for professional PowerPoint presentations on the Internet to upload your Energy and Nanotechnology ppt presentation slides to BUILD YOUR CROWD!!

User Presentation
Related Presentation
Free PowerPoint Templates
Slide 1 - Motivation
Slide 2 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139
Slide 3 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov
Slide 4 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects
Slide 5 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004
Slide 6 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004 Examples Grätzel cell for photovoltaic generation and water splitting Catalytic nanostructured hydrogen storage materials Radiation transport to maximize absorption Two phase flow Electrochemical transport Multiscale, multiphysics transport Mass transport Heat transfer (intake and release) Small scale thermodynamics Two phase flow Multiscale and multiphysics
Slide 7 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004 Examples Grätzel cell for photovoltaic generation and water splitting Catalytic nanostructured hydrogen storage materials Radiation transport to maximize absorption Two phase flow Electrochemical transport Multiscale, multiphysics transport Mass transport Heat transfer (intake and release) Small scale thermodynamics Two phase flow Multiscale and multiphysics Thermoelectrics Devices Figure of Merit: Thermal Conductivity Electrical Conductivity Seebeck Coefficient Critical Challenges: Reduce phonon heat conduction while maintaining or enhancing electron transport Electron Phonon Power Generation: T(hot)=500 C, T (cold)=50 C ZT=1, Efficiency = 8 % ZT=3, Efficiency =17 % ZT=5, Efficiency =22 % Refrigeration
Slide 8 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004 Examples Grätzel cell for photovoltaic generation and water splitting Catalytic nanostructured hydrogen storage materials Radiation transport to maximize absorption Two phase flow Electrochemical transport Multiscale, multiphysics transport Mass transport Heat transfer (intake and release) Small scale thermodynamics Two phase flow Multiscale and multiphysics Thermoelectrics Devices Figure of Merit: Thermal Conductivity Electrical Conductivity Seebeck Coefficient Critical Challenges: Reduce phonon heat conduction while maintaining or enhancing electron transport Electron Phonon Power Generation: T(hot)=500 C, T (cold)=50 C ZT=1, Efficiency = 8 % ZT=3, Efficiency =17 % ZT=5, Efficiency =22 % Refrigeration Nanoscale Effects for Thermoelectrics Electron Phonon Interfaces that Scatter Phonons but not Electrons Molecular Dynamics (Freund)
Slide 9 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004 Examples Grätzel cell for photovoltaic generation and water splitting Catalytic nanostructured hydrogen storage materials Radiation transport to maximize absorption Two phase flow Electrochemical transport Multiscale, multiphysics transport Mass transport Heat transfer (intake and release) Small scale thermodynamics Two phase flow Multiscale and multiphysics Thermoelectrics Devices Figure of Merit: Thermal Conductivity Electrical Conductivity Seebeck Coefficient Critical Challenges: Reduce phonon heat conduction while maintaining or enhancing electron transport Electron Phonon Power Generation: T(hot)=500 C, T (cold)=50 C ZT=1, Efficiency = 8 % ZT=3, Efficiency =17 % ZT=5, Efficiency =22 % Refrigeration Nanoscale Effects for Thermoelectrics Electron Phonon Interfaces that Scatter Phonons but not Electrons Molecular Dynamics (Freund) State-of-the-Art in Thermoelectrics
Slide 10 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004 Examples Grätzel cell for photovoltaic generation and water splitting Catalytic nanostructured hydrogen storage materials Radiation transport to maximize absorption Two phase flow Electrochemical transport Multiscale, multiphysics transport Mass transport Heat transfer (intake and release) Small scale thermodynamics Two phase flow Multiscale and multiphysics Thermoelectrics Devices Figure of Merit: Thermal Conductivity Electrical Conductivity Seebeck Coefficient Critical Challenges: Reduce phonon heat conduction while maintaining or enhancing electron transport Electron Phonon Power Generation: T(hot)=500 C, T (cold)=50 C ZT=1, Efficiency = 8 % ZT=3, Efficiency =17 % ZT=5, Efficiency =22 % Refrigeration Nanoscale Effects for Thermoelectrics Electron Phonon Interfaces that Scatter Phonons but not Electrons Molecular Dynamics (Freund) State-of-the-Art in Thermoelectrics Gasoline 100 kJ 10kJ 30kJ 35kJ Parasitic heat losses Coolant Exhaust 9kJ 10kJ 6kJ Auxiliary Driving Mechanical losses Coolant Exhaust Gasoline 100kJ 10kJ 30kJ 35kJ 9kJ 10kJ 6kJ Auxiliary Driving Mechanical losses Parasitic heat losses Exhaust 10% energy conversion efficiency = 26% increase in useful energy In US, transportation uses ~26% of total energy. Heating Refrigeration & Appliances TPV & TE Recovery PV Electricity Oil or Nat’l Gas Entropy Thermal Power Electrical Power Heating Refrigeration & Appliances Losses Electricity Oil or Nat’l Gas Entropy Thermal Power Electrical Power Potential Applications Transportation In US, residential and commercial buildings consume ~35% energy supply Residential
Slide 11 - Motivation Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute of Technology Cambridge, MA 02139 Sources http://www.sc.doe.gov Nano for Energy Increased surface area Interface and size effects Nanoscience Research for Energy Needs Catalysis by nanoscale materials Using interfaces to manipulate energy carriers Linking structures and function at the nanoscale Assembly and architecture of nanoscale structures Theory, modeling, and simulation for energy nanosciences Scalable synthesis methods National Nanotechnology Initiative Grand Challenge Workshop, March, 2004 Examples Grätzel cell for photovoltaic generation and water splitting Catalytic nanostructured hydrogen storage materials Radiation transport to maximize absorption Two phase flow Electrochemical transport Multiscale, multiphysics transport Mass transport Heat transfer (intake and release) Small scale thermodynamics Two phase flow Multiscale and multiphysics Thermoelectrics Devices Figure of Merit: Thermal Conductivity Electrical Conductivity Seebeck Coefficient Critical Challenges: Reduce phonon heat conduction while maintaining or enhancing electron transport Electron Phonon Power Generation: T(hot)=500 C, T (cold)=50 C ZT=1, Efficiency = 8 % ZT=3, Efficiency =17 % ZT=5, Efficiency =22 % Refrigeration Nanoscale Effects for Thermoelectrics Electron Phonon Interfaces that Scatter Phonons but not Electrons Molecular Dynamics (Freund) State-of-the-Art in Thermoelectrics Gasoline 100 kJ 10kJ 30kJ 35kJ Parasitic heat losses Coolant Exhaust 9kJ 10kJ 6kJ Auxiliary Driving Mechanical losses Coolant Exhaust Gasoline 100kJ 10kJ 30kJ 35kJ 9kJ 10kJ 6kJ Auxiliary Driving Mechanical losses Parasitic heat losses Exhaust 10% energy conversion efficiency = 26% increase in useful energy In US, transportation uses ~26% of total energy. Heating Refrigeration & Appliances TPV & TE Recovery PV Electricity Oil or Nat’l Gas Entropy Thermal Power Electrical Power Heating Refrigeration & Appliances Losses Electricity Oil or Nat’l Gas Entropy Thermal Power Electrical Power Potential Applications Transportation In US, residential and commercial buildings consume ~35% energy supply Residential Challenges and Opportunities Mass production of nanomaterials Energy systems: high heat flux