mass transfer udf -- CFD Online Discussion Forums

September 14, 2021, 08:18	mass transfer udf	#1
kevinllll New Member dsfdsgvd Join Date: Jul 2021 Posts: 3 Rep Power: 4	hello，l stimulation a droplet evaporating with DEFINE_MASS_TRANSFER udf. It can work but the temperature of vapor is strange.l define the temperature of droplet is 290K and the environment is 297K,but the temperature of vapor will exceed 297K.l don't know whether I need to add additional energy sources and momentum sources with DEFINE_SOURCE udf.Does DEFINE_MASS_TRANSFER udf will add energy sources and momentum sources automatically?Please help me.

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