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標題: 工具機冷卻系統之耦合效應探討-有限元素法
Investigation on the Coupled Effect of Cooling System in Machine Tools by the Finite Element Method.
作者: 曾鵬引
Tseng, Peng-Ying
關鍵字: Machine tools;工具機;Hollow screw;Coolant;Finite element;Heat convection;Coupled effect;中空導螺桿;冷卻液;有限元素;對流分析;耦合效應
出版社: 機械工程學系所
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In recent years, requirement of high speed and high precision feature becomes much more important in the development of machine tools. One of the points in improvement of machining accuracy, is the suppression of heat generated during machine operation.
In this report, a set of three-dimensional finite element coupling equations is derived and used to study the effect of heat transfer between the solid structure and the fluid phase. In consideration of the forced convection, the fluid flow with various flow rates of coolant through the cooling tunnel in hollow screw are especially considered. Based on a real hollow screw and coolant, three-dimensional finite element models with imposition of dynamical, suitable boundary conditions, are built. The finite element software system, FEAST, under 64 bits data precision, is used.
The computational results here, comparing with experimental data, tell that the method derived in the study is significant. Some suggestion related to the temperature suppression in the cooling system can thus be made.
其他識別: U0005-2210201013024400
Appears in Collections:機械工程學系所

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