What does mean adding / oppossing buoyancy in a flow? -- CFD Online Discussion Forums

October 25, 2017, 17:46	What does mean adding / oppossing buoyancy in a flow?	#1
HectorRedal Senior Member Hector Redal Join Date: Aug 2010 Location: Madrid, Spain Posts: 243 Rep Power: 16	Hi, I have a question/doubt regarding a flow with forced convection interacting with gravitational forces (mixed natural / forced convection). Let's say that we have an horizontal velocity V (Vx,0) in the flow (Vx > 0). And the gravity acting horizontally as well g (gx,0). What does it mean adding / opposing buoyancy? How can I interpret the term "adding"? Does it means gx > 0? or Does it means gx < 0? Best regards, Hector.

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