{"id":316109,"date":"2024-10-19T21:47:53","date_gmt":"2024-10-19T21:47:53","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-151122018-tc\/"},"modified":"2024-10-25T19:57:20","modified_gmt":"2024-10-25T19:57:20","slug":"bs-en-iso-151122018-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-151122018-tc\/","title":{"rendered":"BS EN ISO 15112:2018 – TC"},"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\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
92<\/td>\nundefined <\/td>\n<\/tr>\n
94<\/td>\nEuropean foreword
Endorsement notice <\/td>\n<\/tr>\n
97<\/td>\nForeword <\/td>\n<\/tr>\n
98<\/td>\nIntroduction <\/td>\n<\/tr>\n
99<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
104<\/td>\n4 Symbols and units <\/td>\n<\/tr>\n
105<\/td>\n5 General Principles <\/td>\n<\/tr>\n
106<\/td>\n6 Gas measurement
6.1 General <\/td>\n<\/tr>\n
107<\/td>\n6.2 Volume measurement
6.3 Calorific value measurement
6.3.1 Measurement techniques and sampling <\/td>\n<\/tr>\n
108<\/td>\n6.3.2 Direct measurement \u2014 Calorimetry
6.3.3 Inferential measurement
6.3.4 Correlation techniques
6.3.5 Pressure and temperature
6.3.6 Gas quality tracking
6.4 Volume conversion
6.4.1 General <\/td>\n<\/tr>\n
109<\/td>\n6.4.2 Density
6.4.3 Compression factor
6.5 Calibration
6.6 Data storage and transmission <\/td>\n<\/tr>\n
110<\/td>\n7 Energy determination
7.1 Interfaces <\/td>\n<\/tr>\n
112<\/td>\n7.2 Methods of energy determination
7.2.1 Direct determination of energy
7.2.2 Indirect determination of energy <\/td>\n<\/tr>\n
114<\/td>\n8 Strategy and procedures
8.1 General <\/td>\n<\/tr>\n
115<\/td>\n8.2 Strategies for energy determination <\/td>\n<\/tr>\n
116<\/td>\n8.2.1 Strategies for single interfaces <\/td>\n<\/tr>\n
120<\/td>\n8.3 Plausibility checks <\/td>\n<\/tr>\n
121<\/td>\n9 Assignment methods
9.1 Fixed assignment
9.1.1 Fixed assignment of a measured calorific value <\/td>\n<\/tr>\n
122<\/td>\n9.1.2 Fixed assignment of a declared calorific value <\/td>\n<\/tr>\n
123<\/td>\n9.2 Variable assignment
9.2.1 Input at two or more different stations with zero floating point <\/td>\n<\/tr>\n
124<\/td>\n9.2.2 Input at two or more different stations with comingled gas flows <\/td>\n<\/tr>\n
125<\/td>\n9.3 Determination of the representative calorific value
9.3.1 Arithmetically averaged calorific value
9.3.2 Quantity-weighted average calorific value
9.3.3 Gas quality tracking <\/td>\n<\/tr>\n
128<\/td>\n10 Calculation of energy quantities
10.1 General formulae for energy <\/td>\n<\/tr>\n
129<\/td>\n10.2 Calculation of averaged values \u2014 Calculation from average calorific values and cumulative volumes
10.2.1 Arithmetic average of the calorific value <\/td>\n<\/tr>\n
130<\/td>\n10.2.2 Quantity-weighted average of the calorific value
10.3 Volume and volume-to-mass conversions
10.4 Energy determination on the basis of declared calorific values
11 Accuracy on calculated energy
11.1 Accuracy <\/td>\n<\/tr>\n
131<\/td>\n11.2 Calculation of uncertainty <\/td>\n<\/tr>\n
132<\/td>\n11.3 Bias <\/td>\n<\/tr>\n
133<\/td>\n12 Quality control and quality assurance
12.1 General
12.2 Check of the course of the measuring data <\/td>\n<\/tr>\n
134<\/td>\n12.3 Traceability
12.4 Substitute values <\/td>\n<\/tr>\n
136<\/td>\nAnnex A (informative) Main instruments and energy-determination techniques <\/td>\n<\/tr>\n
140<\/td>\nAnnex B (informative) Different possible patterns in the change of the calorific value <\/td>\n<\/tr>\n
143<\/td>\nAnnex C (informative) Volume conversion and volume-to-mass conversion <\/td>\n<\/tr>\n
144<\/td>\nAnnex D (informative) Incremental energy determination <\/td>\n<\/tr>\n
146<\/td>\nAnnex E (informative) Practical examples for volume conversion and energy quantity calculation <\/td>\n<\/tr>\n
150<\/td>\nAnnex F (informative) Practical examples for averaging the calorific value due to different delivery situations <\/td>\n<\/tr>\n
155<\/td>\nAnnex G (informative) Ways of determining substitute values <\/td>\n<\/tr>\n
157<\/td>\nAnnex H (informative) Plausibility check graphical example <\/td>\n<\/tr>\n
158<\/td>\nAnnex I (informative) Uncorrected data, bias correction and final result graphical example <\/td>\n<\/tr>\n
160<\/td>\nAnnex J (informative) Single-reservoir calorific value determination <\/td>\n<\/tr>\n
162<\/td>\nAnnex K (informative) <\/td>\n<\/tr>\n
168<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Natural gas. Energy determination<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n170<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":316119,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-316109","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/316109","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\/316119"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=316109"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=316109"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=316109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}