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BS EN ISO 11855-1:2021 – TC

BS EN ISO 11855-1:2021 – TC

$217.84

Tracked Changes. Building environment design. Embedded radiant heating and cooling systems – Definitions, symbols, and comfort criteria

Published By Publication Date Number of Pages
BSI 2021 84
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This document specifies the basic definitions, symbols, and comfort criteria for embedded radiant heating and cooling systems.

PDF Catalog

PDF Pages PDF Title
50 National foreword
52 European foreword
54 Foreword
55 Introduction
57 1 Scope
2 Normative references
3 Terms and definitions
67 4 Symbols and abbreviated terms
72 5 Comfort criteria
5.1 General
5.2 General thermal comfort
5.2.1 Operative temperature
73 5.2.2 PMV (predicted mean vote) and PPD (predicted percentage of dissatisfied)
74 5.3 Local thermal discomfort
5.3.1 Surface temperature limit
75 5.3.2 Radiant temperature asymmetry
5.3.3 Vertical air temperature difference
76 5.4 Acoustical comfort
5.4.1 Water velocity and noise
5.4.2 Acoustical comfort in water-based heating and cooling systems
77 5.4.3 Acoustical comfort in thermally active building systems (TABS)
78 Annex A (informative) Floor surface temperature for thermal comfort
81 Annex B (informative) Draught
82 Bibliography

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BS EN ISO 11855-1:2021 - TC
$217.84