{"id":127604,"date":"2015-10-08T02:00:00","date_gmt":"2015-10-07T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=0405d59c4c46d07caf6aca35a4135351"},"modified":"2015-10-08T02:00:00","modified_gmt":"2015-10-07T23:00:00","slug":"evaluation-of-the-physical-forces-exerted-on-a-spherical-bubble-inside-the-nozzle-in-a-cavitatingflow-with-an-eulerianlagrangian-approach","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=127604","title":{"rendered":"Evaluation of the physical forces exerted on a spherical bubble inside the nozzle in a cavitating\r\nflow with an Eulerian\/Lagrangian approach"},"content":{"rendered":"<p>An Eulerian\/Lagrangian approach is used to calculate the physical forces acting on a spherical<br \/>\nbubble. Reynolds average Navier\u2013Stokes (RANS) equations for the Eulerian approach are solved with a<br \/>\nfinite volume scheme. The SIMPLE algorithm is utilized for pressure and velocity linkage. To model<br \/>\nconvective fluxes, an upwind scheme is used. The Reynolds stress transport model (RSTM) is used to<br \/>\ncalculate the turbulent parameters. In the Lagrangian approach, a modified form of the<br \/>\nReyleigh\u2013Plesset (RP) and Maxey equations are solved with MATLAB programming software for evaluation<br \/>\nof bubble motion and bubble dynamics. The carrying fluid in this study is diesel fuel. Continuous<br \/>\nfilter white noise (CFWN) is solved parallel to the Maxey and RP equations to calculate fluctuating<br \/>\nterms of velocity in x and y directions. Six forces exerted on the bubble during its motion are<br \/>\ninvestigated inside the cavitating flow regime. The cavitating regime can be extremely effective on<br \/>\nbubbl&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An Eulerian\/Lagrangian approach is used to calculate the physical forces acting on a spherical<br \/>\nbubble. Reynolds average Navier\u2013Stokes (RANS) equations for the Eulerian approach are solved with a<br \/>\nfinite volume scheme. The SIMPLE algorithm is utilize&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-127604","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/127604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=127604"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/127604\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=127604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=127604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=127604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}