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tank leakage

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Old   October 4, 2004, 20:28
Default tank leakage
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I have a big cylindrical tank (used to store grain in grain elevators) . Gas gets collected in the headspace of the tank. The tank is exposed to environmental conditions. Since the tank has vents at top, due to wind etc. often lot of gas in the tank headspace leaks out from the tank. How do I simulate this effect in fluent? CAn I put some mass , momentum sinks etc. ?
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