X

Download Energy and Nanotechnology PowerPoint Presentation

SlidesFinder-Advertising-Design.jpg

Login   OR  Register
X


Iframe embed code :



Presentation url :

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

Energy and Nanotechnology PowerPoint Presentation

Ppt Presentation Embed Code   Zoom Ppt Presentation

PowerPoint is the world's most popular presentation software which can let you create professional Energy and Nanotechnology powerpoint presentation easily and in no time. This helps you give your presentation on Energy and Nanotechnology in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.

The uploader spent his/her valuable time to create this Energy and Nanotechnology powerpoint presentation slides, to share his/her useful content with the world. This ppt presentation uploaded by worldwideweb in Science & Technology ppt presentation category is available for free download,and can be used according to your industries like finance, marketing, education, health and many more.

About This Presentation

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
 

Frequently Asked Questions

> About SlidesFinder?

Slidesfinder is a website that allows users to upload and share their PowerPoint presentations online. It provides a platform for individuals and businesses to share their ideas and knowledge through presentations, and for others to view and download these presentations for educational or professional purposes.
Slidesfinder offers a wide range of presentation topics and categories, including business, education, science, technology, health, and more. Users can also search for presentations using keywords, tags, or by category. The website provides tools to create professional presentations with rich media, animations, and graphics.



One of the key features of Slidesfinder is its user-friendly interface, which allows users to easily upload, view, and share presentations. Users can also embed their presentations in their websites or blogs using the website's embed code feature.
Slidesfinder also offers premium services, such as the ability to create private presentations and to download presentations in high-quality formats. However, the basic features of Slidesfinder are free to use, making it accessible to anyone who wants to share their ideas and knowledge through presentations.

> How do I register with SlidesFinder?

Go to registration page (you can see signup link on top of website page) https://www.slidesfinder.com/signup . If you have facebook/gmail account them just click on SIGN IN WITH FACEBOOK OR SIGN IN WITH GOOGLE button, by this you will be a registered member of slidesfinder without filling any form, required detail automatically will be fatch from your account. If you do not a Facebook account, then click on "Signup". Fill all required fields and you will be a registered member of slidesfinder.

> Is slidesfinder account confirmation is mandatory?

Yes it is mandetory to active your account to login.

> Do I need to signup/login on SlidesFinder before uploading a PowerPoint presentation?

Yes, you need to login with your account before uploading presentation. Your username will be displayed on your uploaded presentation. Your registered email id is needed for sending your stats of uploaded presentation.

Slidesfinder is a sharing website for PowerPoint presentations search and share. Find your interest in the form of powerpoint presentations on slidesfinder and save your valuable time . On Slidesfinder you get presentations from our huge library of professional ppt presentations. We believe in making your search INFORMATIVE and FUN. Find your best ppt presentation from a pool of PowerPoint presentations stacked under important industry categories like business & management, heath & Wellness,eduction & training etc. We provide unique informative PowerPoint presentation for marketers, presenters and educationists. These professional PowerPoint presentations are uploaded by professionals from across numerous industry segments.These ppt presentations are available for FREE download.

Not just finding your interest, but facilitate you broadcast your interest. We have created this platform for easy sharing of PowerPoint presentations, ensuring that these presentations get maximum exposure. Create your slidesfinder account and upload PowerPoint presentations for free, share on social media platforms and BUILD YOUR CROWD WITH PRESENTATION !!

The Great Buddha says, "Share your knowledge.It’s a way to achieve immortality"! So, start sharing knowledge and we are here to make that immortal !!

© 2013-2022 SlidesFinder. All rights reserved.

Re-productivity of content are not allowed. Without prior written permission from author, commercial use of any content is illegal.