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Air Venting in Pressure Die Casting

Air venting is the most widely used casting method which opens the vent to the atmosphere. The influence of vent area in air venting on the gas remaining in the die at the end of the flow injection process was considered. There is a critical vent area below which the ventilation is poor and above wh...

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Published in:	Journal of fluids engineering 1997-06, Vol.119 (2), p.473-476
Main Authors:	Bar-Meir, G, Eckert, E. R. G, Goldstein, R. J
Format:	Article
Language:	English
Subjects:	Applied sciences Compressibility of solids Computer simulation Exact sciences and technology Filling Flow of fluids Foundry engineering Mathematical models Metals. Metallurgy Pressure before casting Production techniques Ventilation Vents
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description	Air venting is the most widely used casting method which opens the vent to the atmosphere. The influence of vent area in air venting on the gas remaining in the die at the end of the flow injection process was considered. There is a critical vent area below which the ventilation is poor and above which the resistance to air flow is minimal. This critical area depends on the geometry and the filling time. The critical area also provides a mean to `combine' the actual vent area with the vent resistance for numerical simulations of the cavity filling, taking into account the compressibility of the gas flow.
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source	ASME Transactions Journals (Archives)
subjects	Applied sciences Compressibility of solids Computer simulation Exact sciences and technology Filling Flow of fluids Foundry engineering Mathematical models Metals. Metallurgy Pressure before casting Production techniques Ventilation Vents
title	Air Venting in Pressure Die Casting
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