{"id":49965,"date":"2020-11-19T08:11:23","date_gmt":"2020-11-19T08:11:23","guid":{"rendered":"\/forum\/forums\/topic\/what-is-the-actual-meaning-of-hub-shroud-offset-how-to-decrease-it\/"},"modified":"2020-11-19T08:11:23","modified_gmt":"2020-11-19T08:11:23","slug":"what-is-the-actual-meaning-of-hub-shroud-offset-how-to-decrease-it","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/what-is-the-actual-meaning-of-hub-shroud-offset-how-to-decrease-it\/","title":{"rendered":"What is the actual meaning of hub\/shroud offset &#038; how to decrease it"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>I am performing steady state CFD analysis on turbine blade for which i imported blade model in design modeler &amp; created hot gas flow path through Export point method in which i have to assign the value of hub\/shroud offset (i assigned 4.2 % then ansys shows it&#039;s ok otherwise show problem in the model), then i generated hot gas flowpath mesh with turbogrid &amp; mesh solid blade &amp; cooling holes (hole filled by fill option in design modeler &amp; assigned cold fluid part)) with ansys 19.1 meshing &amp; then combined send to cfx (as shown in workbench fig.). Analysis worked well (without error, result matched with experimental values with 10% error). <\/p>\n<p>My problem is that in cfx pre , a short portion of blade model is located outside (see cfx pre fig.) the flowpath generated with turbogrid, i think (assume) it&#039;s happened due to hub\/shroud offset (see green line in design modeler, in my prespective that the portion of blade between the outer green line transferred to turbogrid) <\/p>\n<p>correct me if am wrong about hub\/shroud offset &amp; how can i decrease it<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/HCTIGTYJAHSO\/capture-jpg.jpg\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/HCTIGTYJAHSO\/capture-jpg.jpg\" alt=\"Capture.JPG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-49965","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["22208"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["?n?\u0016"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["1944"],"_bbp_subscription":["257521"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["49965"],"_bbp_forum_id":["27792"],"_bbp_engagement":["68667","183389"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["133715"],"_bbp_last_active_id":["133715"],"_bbp_last_active_time":["2020-11-20 06:59:24"]},"test":"ajmit"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/49965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/49965\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=49965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}