Publication

Brokering between tenants for an international materials acceleration platform

Giovanni Pizzi, Ivano Eligio Castelli, Francisco Fernando Ramirez
2023
Journal Articles

Abstract

The efficient utilization of resources in accelerated materials science necessitates flexible, reconfigurable software-defined research workflows. We demonstrate a brokering approach to modular and asynchronous research orchestration to integrate multiple laboratories in a cooperative multitenancy platform across disciplines and modalities. To the best of our knowledge, this constitutes the first internationally distributed materials acceleration platform (MAP) linked via a passive brokering server, which is demonstrated through a battery electrolyte workflow capable of determining density, viscosity, ionic conductivity, heat capacity, diffusion coefficients, transference numbers, and radial distribution functions that ran in five countries over the course of 2 weeks. We discuss the lessons learned from multitenancy and fault tolerance and chart a way to a universal battery MAP with fully ontology-linked schemas and cost-aware orchestration.

Official source

https://infoscience.epfl.ch/entities/publication/ba800083-1dc1-4080-b5e0-f638990f6e90

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Giovanni Pizzi, Ivano Eligio Castelli, Francisco Fernando Ramirez
2023
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/ba800083-1dc1-4080-b5e0-f638990f6e90

About this result

Related concepts (18)

Heat capacity

Heat capacity or thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to an object to produce a unit change in its temperature. The SI unit of heat capacity is joule per kelvin (J/K). Heat capacity is an extensive property. The corresponding intensive property is the specific heat capacity, found by dividing the heat capacity of an object by its mass. Dividing the heat capacity by the amount of substance in moles yields its molar heat capacity.

Specific heat capacity

In thermodynamics, the specific heat capacity (symbol c) of a substance is the heat capacity of a sample of the substance divided by the mass of the sample, also sometimes referred to as massic heat capacity. Informally, it is the amount of heat that must be added to one unit of mass of the substance in order to cause an increase of one unit in temperature. The SI unit of specific heat capacity is joule per kelvin per kilogram, J⋅kg−1⋅K−1.

Heat capacity ratio

In thermal physics and thermodynamics, the heat capacity ratio, also known as the adiabatic index, the ratio of specific heats, or Laplace's coefficient, is the ratio of the heat capacity at constant pressure (CP) to heat capacity at constant volume (CV). It is sometimes also known as the isentropic expansion factor and is denoted by γ (gamma) for an ideal gas or κ (kappa), the isentropic exponent for a real gas. The symbol γ is used by aerospace and chemical engineers.

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