{"id":218168,"date":"2024-10-19T14:09:09","date_gmt":"2024-10-19T14:09:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-6731998\/"},"modified":"2024-10-25T07:21:44","modified_gmt":"2024-10-25T07:21:44","slug":"bs-en-6731998","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-6731998\/","title":{"rendered":"BS EN 673:1998"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
4<\/td>\n | Foreword Foreword to amendment A1 Foreword to amendment A2 Contents <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | 3 Symbols <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 4 Definitions 5 Basic formulae <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 6 Basic material properties 6.1 Emissivity 6.2 Gas properties <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 6.3 Infrared absorption of the gas Table 1 – Gas properties <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 7 External and internal heat transfer coefficients 7.1 External heat transfer coefficient\ufffd 7.2 Internal heat transfer coefficient\ufffd 7.3 Design values <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8 Declared values: standardized boundary conditions 9 Expression of the results <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 10 Test report <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Annex A (normative) Determination of normal and corrected emissivity A.1 Determination of normal emissivity Table A.1 – Thirty selected wavelengths <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | A.2 Determination of corrected emissivity\ufffd Table A.2 – Factors to compute corrected emissivity Annex B (normative) Iteration procedure for glazing with more than one gas space <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Table B.1 – Example of iteration for a triple glazing with the following characteristics: structure 4\/12\/4\/12… Annex C (informative) Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Glass in building. Determination of thermal transmittance (U value). Calculation method<\/b><\/p>\n |