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Process Optimization of Graphene Growth
24 Jul 2017 | Tools | Contributor(s): Atharva Hans, Ilias Bilionis, Timothy S Fisher, Majed Abdullah Alrefae, Nimish M Awalgaonkar, Piyush Pandita
Optimizes the growth of graphene in a plasma chemical vapor deposition (CVD) system.
Practice Your Scales!
Thermal and Energy Nanomaterials for Fast Processes
06 Aug 2016 | Online Presentations | Contributor(s): Timothy S Fisher
1D Moving Fin Model
19 Jul 2016 | Tools | Contributor(s): Yudong Chen, Majed Abdullah Alrefae, Timothy S Fisher
Simulate 1-D moving fin model for CVD roll-to-roll plasma system
Some Lessons on Entrepreneurship in Nanotechnology (and, Mechanical Engineers do 'nano', too)
12 Feb 2016 | Online Presentations | Contributor(s): Timothy S Fisher
Professor Tim Fisher will talk about his brief excursion into starting (and stopping) a company, with a focus on lessons learned that are related to education and academic research. He will also try to convince a likely skeptical audience that mechanical engineers have something valuable to...
Multi-Format Roll-to-Roll Graphene Nanomanufacturing
20 Jul 2015 | Online Presentations | Contributor(s): Timothy S Fisher
Combined Microstructure and Heat Transfer Modeling of Carbon Nanotube Thermal Interface Materials
22 Jul 2014 | Tools | Contributor(s): Yide Wang, Sridhar Sadasivam, Timothy S Fisher
Simulate mechanical and thermal performance of CNT thermal interface materials.
Electrical Thin Double Layer Simulation and Micro-electrochemical Supercapacitor Cooling
25 Mar 2014 | Presentation Materials | Contributor(s): Kaitlyn Fisher, Guoping Xiong, Timothy S Fisher
Forum on the Future of Electronics: Panel Discussion
11 Oct 2013 | Presentation Materials | Contributor(s): Mark Lundstrom, Supriyo Datta, Gerhard Klimeck, Muhammad Alam, Timothy S Fisher
Presentation slides from a panel discussion on the Future of Electronics.
nanoHUB-U: Thermal Energy at the Nanoscale CDFs
27 Sep 2013 | Downloads | Contributor(s): Timothy S Fisher
Jamming of Soft Frictionless Spheres
23 Aug 2012 | Tools | Contributor(s): Siew La Pang, Ishan Srivastava, Timothy S Fisher
Predicts the jammed microstructure of an ensemble of spheres of user-defined number and size distribution
Isotropic random fracture model for metal hydride powder
03 Oct 2011 | Downloads | Contributor(s): Kyle Christopher Smith, Timothy S Fisher
Metal hydrides can be used to store hydrogen on-board fuel cell vehicles, but the process of fracture which such materials undergo when exposed to hydrogen makes them poor conductors of the heat generated during hydriding. This fracture process creates particles having irregular faceted shapes...
01 Sep 2011 | Tools | Contributor(s): Andrew Schwinke, Timothy S Fisher, Greg Walker
Linear thermal circuit simulation tool for both steady-state and transient problems
Thermal Transport Across Interfaces
19 Aug 2011 | Courses | Contributor(s): Timothy S Fisher
These lectures provide a theoretical development of the transport ofthermal energy by conduction in nanomaterials, in which materialinterfaces typically dominate transport. The physical nature of energytransport by two carriers: electrons and phonons--will be explored.
Tutorial 2: Thermal Transport Across Interfaces - Electrons
15 Aug 2011 | Online Presentations | Contributor(s): Timothy S Fisher
Outline:Thermal boundary resistanceElectronic transportReal interfaces and measurementsCarbon nanotube interfaces
Tutorial 1: Thermal Transport Across Interfaces - Phonons
30 Jul 2011 | Online Presentations | Contributor(s): Timothy S Fisher
Outline:Lattice vibrations and phononsThe vibrating stringInterfaces between dissimilar strings: acousticmismatchDiscrete masses and the vibrational eigenspectrumGeneral thermal transport theory
Additional Tutorials on Selected Topics in Nanotechnology
23 Mar 2011 | Workshops | Contributor(s): Gerhard Klimeck, Umesh V. Waghmare, Timothy S Fisher, N. S. Vidhyadhiraja
Select tutorials in nanotechnology, a part of the 2010 NCN@Purdue Summer School: Electronics from the Bottom Up.
Tutorial 2: A Bottom-Up View of Heat Transfer in Nanomaterials
23 Mar 2011 | Online Presentations | Contributor(s): Timothy S Fisher
This lecture provides a theoretical development of the transport of thermal energy by conduction in nanomaterials. The physical nature of energy transport by two carriers—electrons and phonons--will be explored from basic principles using a common Landauer framework. Issues including the quantum...
Thermoelectric Generator Module with Convective Heat Transfer
14 Jun 2010 | Tools | Contributor(s): Yuefeng Wang, Guoheng Chen, Michael McLennan, Timothy S Fisher,
Electrical power density and efficiency of a thermoelectric generator with convective heat transfer on hot side and cold side is calculated.
Report of the Joint India-US Workshop on Scalable Nanomaterials for Enhanced Energy Transport, Conversion, and Efficiency
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30 Sep 2008 | Papers | Contributor(s): Timothy S Fisher
A Joint Indo-US Workshop on "Scalable Nanomaterials for Enhanced Energy Transport, Conversion and Efficiency"was organized from August 19 to 21, 2008 at Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) and the John F. Welch Technology Centre campus of General Electric in...
Heat Transfer across Solid Contacts Enhanced with Nanomaterials
11 Feb 2008 | Online Presentations | Contributor(s): Timothy S Fisher
This presentation will describe thermal transport processes at solid-solid material interfaces. An overview of applications in the electronics industry will serve to motivate the subject, and then the basic diffusive constriction theory will be developed. The addition of carbon nanotube arrays...
Electron Emission from Nanoscale Carbon Materials
15 May 2007 | Online Presentations | Contributor(s): Timothy S Fisher
Prior studies on electron emission show possibly beneficial effects ofnanoscale phenomena on energy-conversion characteristics. For example,recent work has shown that the electric field around a nanoscale fieldemission device can increase the average energy of emitted electrons. Weconsider here...
BNC Annual Research Symposium: Nanoscale Energy Conversion
23 Apr 2007 | Online Presentations | Contributor(s): Timothy S Fisher
This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming year.
Atomistic Green's Function Method 1-D Atomic Chain Simulation
16 Apr 2007 | Tools | Contributor(s): Zhen Huang, Wei Zhang, Timothy S Fisher, Sridhar Sadasivam
Calculation of Thermal Conductance of an Atomic Chain
Understanding Phonon Dynamics via 1D Atomic Chains
04 Apr 2006 | Online Presentations | Contributor(s): Timothy S Fisher
Phonons are the principal carriers of thermal energy in semiconductors and insulators, and they serve a vital role in dissipating heat produced by scattered electrons in semiconductor devices. Despite the importance of phonons, rigorous understanding and inclusion of phonon dynamics in...