{"id":222111,"date":"2024-10-19T14:25:03","date_gmt":"2024-10-19T14:25:03","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-137912012\/"},"modified":"2024-10-25T08:00:03","modified_gmt":"2024-10-25T08:00:03","slug":"bs-en-iso-137912012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-137912012\/","title":{"rendered":"BS EN ISO 13791:2012"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
11<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
12<\/td>\n3 Terms, definitions, symbols and units
3.1 Terms and definitions <\/td>\n<\/tr>\n
13<\/td>\n3.2 Symbols and units <\/td>\n<\/tr>\n
15<\/td>\n3.3 Subscripts <\/td>\n<\/tr>\n
16<\/td>\n4 Determination of internal temperatures
4.1 Assumptions
4.2 Evaluation of the relevant temperatures
4.2.1 Internal air temperature <\/td>\n<\/tr>\n
17<\/td>\n4.2.2 Internal surface temperature <\/td>\n<\/tr>\n
18<\/td>\n4.2.3 Surface delimiting two solid layers
4.2.4 Surface of an air layer <\/td>\n<\/tr>\n
19<\/td>\n4.2.5 External surface of a room element
4.2.6 Relevant temperatures for special construction elements
4.2.6.1 Ceiling below an attic <\/td>\n<\/tr>\n
20<\/td>\n4.2.6.2 Floor on ground
4.2.6.3 Floor over cellar
4.2.6.4 Floor over crawl space
4.2.6.5 Glazed element
4.3 Room thermal balance <\/td>\n<\/tr>\n
21<\/td>\n4.4 Boundary conditions
4.4.1 Single room
4.4.2 Similar rooms
4.4.2.1 Partition (vertical) wall <\/td>\n<\/tr>\n
22<\/td>\n4.4.2.2 Ceiling\/floor <\/td>\n<\/tr>\n
24<\/td>\n4.4.3 Adjacent room with defined value of the air temperature <\/td>\n<\/tr>\n
25<\/td>\n4.4.4 Floor on ground
4.4.5 Cellar or crawl space
4.4.6 Ceiling below attic
4.5 Terms in the thermal balance equations
4.5.1 Heat conduction through components <\/td>\n<\/tr>\n
26<\/td>\n4.5.2 Convective heat transfer
4.5.2.1 General
4.5.2.2 Convective heat flow rate\uf020at the surfaces of an element <\/td>\n<\/tr>\n
27<\/td>\n4.5.2.3 Convective heat transfer through unventilated air layers <\/td>\n<\/tr>\n
28<\/td>\n4.5.2.4 Convective heat transfer through ventilated air layer <\/td>\n<\/tr>\n
29<\/td>\n4.5.3 Short-wave radiation heat transfers
4.5.3.1 Short-wave radiation heat transfer at the external surface of opaque element <\/td>\n<\/tr>\n
30<\/td>\n4.5.3.2 Short-wave radiation heat transfer at the internal surface of opaque elements <\/td>\n<\/tr>\n
31<\/td>\n4.5.3.3 Short-wave radiation heat flow rate for transparent elements (including blinds and curtains) <\/td>\n<\/tr>\n
33<\/td>\n4.5.3.4 Solar to air heat flow rate
4.5.3.5 Sunlit area of room element
4.5.4 Long-wave radiation heat transfer
4.5.4.1 Heat flow rate at the external surface <\/td>\n<\/tr>\n
34<\/td>\n4.5.4.2 Heat flow rate at the internal surface <\/td>\n<\/tr>\n
35<\/td>\n4.5.4.3 Air layers
4.5.5 Internal gains <\/td>\n<\/tr>\n
36<\/td>\n4.5.6 Heat flow due to ventilation
4.5.6.1 General
4.5.6.2 Natural ventilation
4.5.6.3 Mechanical ventilation <\/td>\n<\/tr>\n
37<\/td>\n5 Determination of internal humidity
6 Procedure for carrying out calculations
6.1 General
6.2 Design climatic data
6.2.1 General <\/td>\n<\/tr>\n
38<\/td>\n6.2.2 Long-period design climatic data
6.2.3 Design warm sequence
6.3 Geometrical and thermophysical characteristics of room elements
6.4 Design internal gains
6.5 Design occupant behaviour <\/td>\n<\/tr>\n
39<\/td>\n6.6 Calculation procedure
6.6.1 General
6.6.2 Definition of the starting conditions
6.6.3 Prediction of the internal temperatures
7 Report of the calculation <\/td>\n<\/tr>\n
40<\/td>\n8 Validation procedures
8.1 Introduction
8.2 Validation of heat transfer processes
8.2.1 General
8.2.2 Heat conduction through opaque elements <\/td>\n<\/tr>\n
42<\/td>\n8.2.3 Internal long-wave radiation exchanges <\/td>\n<\/tr>\n
44<\/td>\n8.2.4 Sunlit area of a window due to external obstructions <\/td>\n<\/tr>\n
47<\/td>\n8.3 Validation procedure for the whole calculation method
8.3.1 General <\/td>\n<\/tr>\n
48<\/td>\n8.3.2 Geometry for the test rooms <\/td>\n<\/tr>\n
49<\/td>\n8.3.3 Thermophysical properties of opaque walls
8.3.4 Properties of glazing <\/td>\n<\/tr>\n
51<\/td>\n8.3.5 Solar parameters <\/td>\n<\/tr>\n
52<\/td>\n8.3.6 Boundary conditions <\/td>\n<\/tr>\n
55<\/td>\n8.3.7 Internal energy sources <\/td>\n<\/tr>\n
56<\/td>\n8.3.8 Ventilation
8.3.9 Descriptions of the validation tests
8.3.9.1 General <\/td>\n<\/tr>\n
57<\/td>\n8.3.9.2 Results of validations <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Thermal performance of buildings. Calculation of internal temperatures of a room in summer without mechanical cooling. General criteria and validation procedures<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2012<\/td>\n110<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":222115,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1265,2641],"product_tag":[],"class_list":{"0":"post-222111","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-120-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/222111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/222115"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=222111"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=222111"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=222111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}