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BS EN ISO 11855-4:2021 – TC:2022 Edition

BS EN ISO 11855-4:2021 – TC:2022 Edition

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Tracked Changes. Building environment design. Embedded radiant heating and cooling systems – Dimensioning and calculation of the dynamic heating and cooling capacity of Thermo Active Building Systems (TABS)

Published By Publication Date Number of Pages
BSI 2022 166
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This document allows the calculation of peak cooling capacity of Thermo Active Building Systems (TABS), based on heat gains, such as solar gains, internal heat gains, and ventilation, and the calculation of the cooling power demand on the water side, to be used to size the cooling system, as regards the chiller size, fluid flow rate, etc.

This document defines a detailed method aimed at the calculation of heating and cooling capacity in non-steady state conditions.

PDF Catalog

PDF Pages PDF Title
1 30445914
99 A-30391115
100 undefined
104 Foreword
105 Introduction
107 1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
110 5 The concept of thermally active building surfaces (TABS)
116 6 Calculation methods
6.1 General
119 6.2 Rough sizing method
6.3 Simplified sizing by diagrams
125 6.4 Simplified model based on FDM
126 6.4.1 Cooling system
6.4.2 Hydraulic circuit and slab
128 6.4.3 Room
130 6.4.4 Limits of the method
131 6.5 Dynamic building simulation programs
7 Effects of acoustic ceiling units on the cooling performance of TABS
8 Input for computer simulations of energy performance
133 Annex A (informative) Simplified diagrams
139 Annex B (normative) Calculation method
150 Annex C (informative) Tutorial guide for assessing the model
153 Annex D (informative) Computer program
164 Bibliography

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BS EN ISO 11855-4:2021 - TC
$258.95