centrifugal fan Directory References Contents Ask the Chatbot a Question centrifugal fan Ask the Chatbot a Question Learn about this topic in these articles:engine model for fan In fanIn centrifugal fans air is led through an inlet pipe to the centre, or eye, of the impeller, which forces it radially outward into the volute, or spiral, casing from which it flows to a discharge pipe.Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.