{"id":1072,"date":"2015-06-17T16:48:05","date_gmt":"2015-06-17T14:48:05","guid":{"rendered":"http:\/\/www.sva-potsdam.de\/3-komponenten-lda-2\/"},"modified":"2016-04-14T14:44:56","modified_gmt":"2016-04-14T12:44:56","slug":"3-components-lda","status":"publish","type":"post","link":"https:\/\/www.sva-potsdam.de\/en\/3-components-lda\/","title":{"rendered":"3 Components LDA"},"content":{"rendered":"<div id=\"idTextPanel\" class=\"jqDnR\">\n<div class=\"sva_text_container\">\n<p>Velocity fields can be measured nearly instantaneously, with high accuracy and high spatial and temporal resolution by means of a LDV-system. Laser measurements are performed routinely in the SVA since 1985. For this application SVA provides compact probes with integrated solid-state laser (PowerSight probe from TSI). The probes are portable and flexible in use. In the cavitation tunnel, a 2D LDV is mainly used. In the towing tank and for mobile tasks primarily a 1D system is applied. Both compact probes can be combined into a 3D measuring system. When a submersible probe is required, a waterproof 2D probe (83 mm diameter) can be coupled to the laser module via optical fibers.<\/p>\n<div class=\"sva_bild_floatBTN\" style=\"margin: 0 auto; width: 70%;\"><a title=\"LDV system in Use at the Cavitation Tunnel, 1.\" href=\"http:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3096\" src=\"http:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small-392x294.png\" alt=\"LDV_SVA_2_small\" width=\"267\" height=\"200\" srcset=\"https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small-392x294.png 392w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small-768x575.png 768w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small-114x85.png 114w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small-474x355.png 474w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_2_small.png 800w\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" \/><\/a> <a title=\"LDV system in Use at the Cavitation Tunnel, 2.\" href=\"http:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3095\" src=\"http:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small-392x294.png\" alt=\"LDV_SVA_1_small\" width=\"267\" height=\"200\" srcset=\"https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small-392x294.png 392w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small-768x575.png 768w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small-114x85.png 114w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small-474x355.png 474w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_SVA_1_small.png 800w\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" \/><\/a> <a title=\"Two LDV systems of SVA Potsdam, mounted on a ship model to measure the boundary layer at various positions on the ship hull.\" href=\"http:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3093\" src=\"http:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small-392x294.png\" alt=\"LDV_DST_small\" width=\"267\" height=\"200\" srcset=\"https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small-392x294.png 392w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small-768x576.png 768w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small-114x86.png 114w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small-474x356.png 474w, https:\/\/www.sva-potsdam.de\/wp-content\/uploads\/2015\/06\/LDV_DST_small.png 800w\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" \/><\/a><\/div>\n<div class=\"sva_clear\"><\/div>\n<p>&nbsp;<\/p>\n<table class=\"sva-article-table\" style=\"width: 90%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\" colspan=\"1\" width=\"614\">\n<h5>Technical specifications<\/h5>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">2D PowerSight probe with 500 mW DPSS laser (561 nm and 531 nm) and 3 channel photomultiplier and signal processor<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">1D PowerSight probe with 200 mW DPSS laser 553 nm with 1 channel photomultiplier and signal processor<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Use as 3D LDV possible<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Beam spacing 50mm, lenses 250, 350, 500, 600 mm, minimum measurement volume length 0.7 mm, diameter 62 microns<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Computer-controlled 3D traversing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"sva_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Velocity fields can be measured nearly instantaneously, with high accuracy and high spatial and temporal resolution by means of a LDV-system. Laser measurements are performed routinely in the SVA since 1985. For this application SVA provides compact probes with integrated solid-state laser (PowerSight probe from TSI). The probes are portable and flexible in use. In the cavitation tunnel, a 2D LDV is mainly used. In the towing tank and for mobile tasks primarily a 1D system is applied. Both compact<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1072","post","type-post","status-publish","format-standard","hentry","category-kavitationstunnel-en"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/posts\/1072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/comments?post=1072"}],"version-history":[{"count":5,"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/posts\/1072\/revisions"}],"predecessor-version":[{"id":3601,"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/posts\/1072\/revisions\/3601"}],"wp:attachment":[{"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/media?parent=1072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/categories?post=1072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sva-potsdam.de\/en\/wp-json\/wp\/v2\/tags?post=1072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}