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surface injection or point injection?

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Old   September 2, 2009, 09:26
Default surface injection or point injection?
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Zhang Cong
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The case l simulated is coal combustion in boiler furnace. I tried setting point injection and surface injection for the inlet of coal particles. And the fule gas temperature for the point injection is higher of 200k than second one. which one is more accurate?

or which one is more suitable for my case?

many thanks.
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