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This document specifies carbon usage effectiveness (CUE) as a key performance indicator (KPI) for quantifying the CO2 emissions of a data centre during the use phase of the data centre life cycle. CUE is a simple method for reporting the CO2 intensity of the data centre operating. By reporting CO2 emissions, it is possible to present the data centre's contribution to climate change (enhanced…

This document specifies water usage effectiveness (WUE) as a key performance indicator (KPI) for quantifying the water consumption of a data centre during the use phase of the data centre life cycle. WUE is a simple method for reporting the water intensity of the data centre operating. By reporting water consumption, it is possible to present the data centre's resource effectiveness. This…

IEC TR 63259:2022(E) provides guidelines for the application of water cooling systems for power electronics used in electrical transmission and distribution systems. This document describes a kind of water cooling system, in which de-ionized water or de-ionized water mixed with other solutes is used as the heat transfer agent for the removal of heat from power electronic equipment. Water cooling…

This document specifies requirements and recommendations for the type of risk assessment to be employed concerning seismic activity and earthquakes in relation to data centres. In addition, it describes design concepts that can be employed as mitigation actions within the construction and other design elements of data centres.

This document specifies requirements and recommendations for the type of risk assessment to be employed concerning seismic activity and earthquakes in relation to data centres. In addition, it describes design concepts that can be employed as mitigation actions within the construction and other design elements of data centres.

This document describes the COLLADA™ schema. COLLADA is a Collaborative Design Activity that defines an XML-based schema to enable 3D authoring applications to freely exchange digital assets without loss of information, enabling multiple software packages to be combined into extremely powerful tool chains. The purpose of this document is to provide a specification for the COLLADA schema in…

This document specifies a mapping of EXPRESS (ISO 10303–11) constructs to SysML constructs for the purpose of representing EXPRESS schemas in SysML models. The specified mapping is a one-way transformation from an EXPRESS schema to a SysML information model. The following are within the scope of this document: —    the specification of the transformation of EXPRESS constructs to SysML constructs…

This document is a normative supplement to the UAF DMM document (c4i/19-06-16). This document specifies a UAF profile to enable practitioners to express architectural model elements and organize them in a set of domains, model kinds, and view specification (specified in the UAF DMM) that support the specific needs of end users in defense and commercial industry. UAFP 1.1 defines a set of…

There are four parts to this specification, two are normative and two informative. The normative parts are: The UAF Domain Metamodel (DMM) (this document) that provides the definition of concepts, relationships and viewpoints for the framework. The UAF DMM is the basis for any implementation of UAF including non-UML/SysML implementations. The UAF Profile (UAFP) (see document dtc/19-06-15) is a…