{"id":387891,"date":"2024-10-03T02:39:29","date_gmt":"2024-10-03T02:39:29","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/spray-water-particles-not-injected\/"},"modified":"2024-10-08T15:58:32","modified_gmt":"2024-10-08T15:58:32","slug":"spray-water-particles-not-injected","status":"answered","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/spray-water-particles-not-injected\/","title":{"rendered":"Spray water particles not injected"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;&lt;p&gt;I&#8217;m injecting water particles (inert particle) from nose while inhalation. inlet and outlet were defined in Space Claim.&nbsp;&lt;\/p&gt;&lt;p&gt;In the Fluent, I set the injection&nbsp;velocity as well as the inhalation velocity. After running the simulation (it converged), nothing showed up on the scene. I set the outlet BC &#8220;trapped&#8221; to prevent overflow, but still not showing anything&nbsp;&lt;\/p&gt;&lt;\/p&gt;&lt;\/p&gt;<\/p>\n<ul>\n<li>Duration of injection is 2 second.<\/li>\n<li>Particle injection velocity 8 m \/s<\/li>\n<li>Inhaltion velocity 0.5 m\/s<\/li>\n<\/ul>\n<p>&lt;p&gt;&lt;p&gt;Below is the model, arrow with an angle is the inlet for water particles, the other one is air. I&#8217;m using DPM model, and using surface injection (defined by the geometry)&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/03-10-2024-1727923151-Screenshot (6).png\" alt=\"\" \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/10\/03-10-2024-1727923536-Screenshot (7).png\" alt=\"\" \/>&lt;\/p&gt;&lt;p&gt;&lt;p&gt;Anyone know how to get the particle injected successfully?&lt;\/p&gt;&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-387891","topic","type-topic","status-answered","hentry","topic-tag-dpm-injection","topic-tag-dpm-tracking","topic-tag-particle"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I&#039;m injecting water particles (inert particle) from nose while inhalation. inlet and outlet were defined in Space Claim. In the Fluent, I set the injection velocity as well as the inhalation velocity. After running the simulation (it converged), nothing showed up on the scene. 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