beyond physics results -- CFD Online Discussion Forums

June 20, 2014, 06:53	beyond physics results	#1
Steffen595 Senior Member Join Date: May 2012 Location: Melbourne Posts: 161 Rep Power: 13	Hi, I am trying to simulate some elbows. R134a saturated, 250kPa at inlet, 7.9kg/s at outlet. 10in die inlet, 6" dia outlet. Mesh with autocorrect, pretty fine. What I get is 70 000m/s at subsonic flow, pressures of -420MPa at compressible flow, and the gas turns to liquid and back. 5 or 20 iteration, no difference. So, what did I do wrong?

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