{"id":558565,"date":"2024-11-05T18:21:23","date_gmt":"2024-11-05T18:21:23","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/esdu-840112012\/"},"modified":"2024-11-05T18:21:23","modified_gmt":"2024-11-05T18:21:23","slug":"esdu-840112012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/esdu\/esdu-840112012\/","title":{"rendered":"ESDU 84011:2012"},"content":{"rendered":"

\n\tESDU 84011 provides a simplified method of estimating the
\nvariation of design wind speed (mean-hourly or gust values) with
\nheight about the ground and with terrain roughness. The data for
\nflat terrain (which are based on relationships given in ESDU 82026
\nand 83045) are presented in the form of tables giving a factor (K)
\nby which a wind speed at 10 m (33 ft) over open country terrain
\nmust be multiplied to give the wind speed at the required height
\nover the site in question. K-factors are provided for a range of
\nheights up to 400 m (1310 ft), gust averaging times and
\ncombinations of terrain roughness at the site with a single change
\nin roughness at varying distances upwind of the site. It is also
\nshown how the tabulated data can be used to generate wind speed
\nprofile data for multiple changes in terrain roughness. ESDU 84030
\ncomplements ESDU 84011 by providing values of turbulence intensity
\nfor all cases for which ESDU 84011 provides wind speed data. ESDU
\n01008 introduces a computer program, VIEWpac E0108, that calculates
\nthe values given here using the full methods from which the
\nsimplified methods used in ESDU 82026 and 83045 were derived; that
\nprogram also includes topographic effects.\n\t<\/p>\n","protected":false},"excerpt":{"rendered":"

Wind Speed Profiles Over Terrain with Roughness Changes<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ESDU<\/b><\/a><\/td>\n2012-02<\/td>\n51<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":558575,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2675],"product_tag":[],"class_list":{"0":"post-558565","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-esdu","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\/558565","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\/558575"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=558565"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=558565"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=558565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}