{"id":366510,"date":"2024-05-11T16:04:35","date_gmt":"2024-05-11T16:04:35","guid":{"rendered":"\/forum\/forums\/topic\/important-question\/"},"modified":"2024-05-16T12:39:57","modified_gmt":"2024-05-16T12:39:57","slug":"important-question","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/important-question\/","title":{"rendered":"Important Question!"},"content":{"rendered":"<div>I want to analyze an electric heater. It is defined by a tube in which the water circulates inside and I have a power supplied to the external surface of the tube. I want to create an expression for the mass flux rate that is associated with the temperature and the defined power. In this case, I was thinking of using the following expression, m.= P\/(C.&Delta;T), so that the flow rate varies according to the outlet temperature and is thus adjusted so that the desired temperature is reached throughout the simulation.<\/div>\n<div>Is it possible to carry out this analysis? Because I&#8217;ve already tried to write the expression for the flow, but the problem is that as the simulation hasn&#8217;t been run yet there is no value and so I&#8217;m getting the floating point exception error.&nbsp;<\/div>\n<div>Basically I want to set an initial outlet temperature, but then the simulation should be able to change the flow depending on the temperature results at the outlet to reach the desired temperature.&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Thanks.<\/div>\n","protected":false},"template":"","class_list":["post-366510","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I want to analyze an electric heater. It is defined by a tube in which the water circulates inside and I have a power supplied to the external surface of the tube. 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