EN ISO 12241:2022 PDF

Name: EN ISO 12241:2022 — Thermal insulation for building equipment and industrial installations - Calculation rules (ISO 12241:2022, Corrected version 2022-11)
SKU: EN ISO 12241:2022
Price: 109.27 EUR
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Thermal insulation for building equipment and industrial installations - Calculation rules (ISO 12241:2022, Corrected version 2022-11)

Название (английский):

EN ISO 12241:2022

Thermal insulation for building equipment and industrial installations - Calculation rules (ISO 12241:2022, Corrected version 2022-11)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 60
Дата публикации:: 15 июня 2022 г.
Издание:: CEN EN 12241 edition 2 version 1
ICS:: 91.120.10

Тип поставки:

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Язык документа:

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Срок поставки:10 раб. дн. (перевод)

Цена:900 €

Описание (английский):

This document gives rules for the calculation of heat-transfer-related properties of building equipment and industrial installations, predominantly under steady-state conditions. This document also gives a simplified approach for the calculation of thermal bridges.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты EN

Overview

EN ISO 12241:2022 (Corrected version 2022-11) - titled Thermal insulation for building equipment and industrial installations - Calculation rules - defines standardized calculation methods for heat-transfer-related properties of building equipment and industrial installations. Prepared by ISO/TC 163 in collaboration with CEN/TC 89, this third edition supersedes EN ISO 12241:2008. The standard focuses predominantly on steady‑state conditions and includes a simplified approach for the treatment of thermal bridges.

Key topics

The document provides unified calculation rules, symbols and formulae covering:

Fundamental heat-transfer formulae for conduction, convection and radiation

Methods to determine surface coefficients of heat transfer and external surface resistance

Calculation of thermal transmittance (U-value), heat flow rate and layer boundary temperatures

Introduction and quantification of thermal bridges (insulation-system and installation‑related)

Procedures to compute total heat loss for plane walls, pipes and spheres

Surface temperature checks and guidance for prevention of surface condensation

Temperature change and cooling/freezing time calculations for pipes, vessels and stationary liquids

Calculation methods for heat loss of underground pipelines

Informative annexes with worked examples and a bibliography

Practical applications

Size and verify insulation systems for mechanical services, HVAC ducts, piping, vessels and industrial plant

Calculate heat loss and energy performance related to building services and industrial installations

Assess condensation risk and surface temperatures for maintenance and safety planning

Estimate cooling/freezing times for process liquids and design freeze‑protection measures

Model heat loss for buried pipelines in utility and district heating networks These calculation rules support compliance, design optimization, lifecycle cost analysis and energy‑efficiency reporting.

Related standards and notes

Supersedes EN ISO 12241:2008

Prepared under the ISO/CEN Vienna Agreement; national adoption required by CEN members

Users should combine the calculation rules with accurate local input data (weather, material properties, emissivity) and consider that convection/radiation models include empirical elements.

Keywords: EN ISO 12241:2022, ISO 12241:2022, thermal insulation, building equipment, industrial installations, thermal bridges, heat transfer calculation, insulation calculation, heat loss, pipe insulation.

EN ISO 12241:2022 PDF

Abstract

Похожие стандарты

Overview

Key topics

Practical applications

Who should use it

Related standards and notes

Технические детали

ISO 12241:2022

Thermal insulation for building equipment and industrial installations — Calculation rules

ISO 12241:2008

Thermal insulation for building equipment and industrial installations — Calculation rules

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