OpenPNM: A Pore Network Modeling Package
- Jeff T. GostickMahmoudreza Aghighi A. Putz
- 25 May 2016
Materials Science, Environmental Science
Computing in science & engineering (Print)
This work outlines the OpenPNM package, which was jointly developed by several porous media research groups to help address the gap in software options for simulating multiphase transport in porous materials.
PyVertical: A Vertical Federated Learning Framework for Multi-headed SplitNN
- Daniele RomaniniA. Hall Michael A. Hoeh
- 1 April 2021
Computer Science
This work introduces PyVertical, a framework supporting vertical federated learning using split neural networks, and presents the training of a simple dual-headed split neural network for a MNIST classification task.
Asymmetric Private Set Intersection with Applications to Contact Tracing and Private Vertical Federated Machine Learning
- Nick AngelouAyoub Benaissa Tom Titcombe
- 18 November 2020
Computer Science
This work presents a multi-language, cross-platform, open-source library for asymmetric private set intersection (PSI) and PSI-Cardinality and applies it to two use cases: a privacy-preserving contact tracing protocol that is compatible with existing approaches, but improves their privacy guarantees.
In operando synchrotron X-ray radiography studies of polymer electrolyte membrane water electrolyzers
- Michael A. HoehT. Arlt W. Lehnert
- 1 June 2015
Chemistry, Engineering
Abstract Polymer electrolyte membrane water electrolysis (PEL) cells are studied in-operando by synchrotron X-ray radiography. Two-phase flow phenomena associated with the evolution of oxygen and…
Silicon-based, ultra-thin, flexible optically tunable metamaterial-bandpass filter in the THz-regime
- Michael A. HoehJ. NeuK. SchmittM. Rahm
- 20 November 2014
Engineering, Physics
We present a new fabrication technique for silicon-based optically tunable metamaterial membranes. The realized bandpass filter is only 25 μm thick, enabling quasi etalon-free performance. The…
In-Operando Neutron Radiography Studies of Polymer Electrolyte Membrane Water Electrolyzers
- Michael A. HoehT. Arlt W. Lehnert
- 14 September 2015
Engineering, Materials Science
Ultrathin flexible and optically tunable terahertz bandpass filter with embedded silicon
- Michael A. HoehJ. NeuK. SchmittM. Rahm
- 10 May 2015
Engineering, Materials Science
A new fabrication technique for ultra-thin, flexible and optically tunable terahertz metamaterials with embedded silicon is presented. The implemented bandpass filter had a subwavelength thickness of…
Gas Permeation through Nafion. Part 2: Resistor Network Model
- M. SchalenbachMichael A. HoehJ. GostickW. LuekeD. Stolten
- 14 October 2015
Chemistry, Materials Science
In the first part of this study, the hydrogen and oxygen permeabilities of Nafion were measured. The aim of the second part of this study presented here is to physically characterize the influence of…
Optical tuning of ultra-thin, silicon-based flexible metamaterial membranes in the terahertz regime
- Michael A. HoehJ. NeuK. SchmittM. Rahm
- 1 February 2015
Physics, Engineering
We present a fabrication method for flexible optically tunable terahertz metamaterial membranes based on thinning and embedding of commercially available silicon wafers in the metamaterial structure.…
Simulation of a Full Fuel Cell Membrane Electrode Assembly Using Pore Network Modeling
- Mahmoudreza AghighiMichael A. HoehW. LehnertG. MerleJ. Gostick
- 2016
Engineering, Chemistry
A pore network model has been applied to a both sides of a fuel cell membrane electrode assembly. The model includes gas transport in the gas diffusion layers and catalyst layers, proton transport in…
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