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unable to converge a simulation of a sootblower

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Old   July 21, 2014, 07:23
Exclamation unable to converge a simulation of a sootblower
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ehsan aalaei
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i want to model a soot blower (2D) that has a lance(tube) with 22 nozzle.
steam has been imported with 1.5 kg per second and 22 nozzle eject it to atmosphere
i have amount of pressure at the inlet but i choose mass-flow- rate

results do not converge ,
and i have reverse flow on several outlet that are near by inlet

please tell me what is the problem and what i should to do for obtain good results and converge data

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nozzle, reverse flow, soot blower

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