{"id":292789,"date":"2024-10-19T19:53:17","date_gmt":"2024-10-19T19:53:17","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-141392000\/"},"modified":"2024-10-25T17:01:22","modified_gmt":"2024-10-25T17:01:22","slug":"bs-iso-141392000","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-141392000\/","title":{"rendered":"BS ISO 14139:2000"},"content":{"rendered":"<p>This International Standard specifies the methods of measurement of flow in rivers and artificial channels, using any combination of standard weirs and\/or flumes in a compound structure. For guidance on the selection of weirs and\/or flumes, refer to ISO&nbsp;8368. All structures can be operated in the modular flow range, but only a limited number of structures can be used in the drowned (non-modular) flow range (see clause&nbsp;4). Compound weirs improve the quality of discharge measurements at low stages.<\/p>\n<p>The characteristics of velocity distribution are described annex&nbsp;A.<\/p>\n<p>Structures standardized for operation in the drowned (non-modular) flow range and the method of computation of flow are described in annex&nbsp;B.<\/p>\n<p>Methods and examples of flow measurement calculations are given in annex&nbsp;C.<\/p>\n<p>Compound flow-measuring structures without divide piers need in situ or model calibrations and are not covered by this International Standard.<\/p>\n<p>Specifies methods of measurement of flow in rivers or channels using any combination of standard weirs or flumes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Hydrometric determinations. Flow measurements in open channels using structures. Compound gauging structures &#8211; Compound gauging structures<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2000<\/td>\n<td>48<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":292797,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[265,2641],"product_tag":[],"class_list":{"0":"post-292789","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-120-20","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\/292789","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\/292797"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=292789"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=292789"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=292789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}