Control-volume momentum flux: getting the sign correct

Kyle M. Schwing; G. Paul Neitzel

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Control-volume momentum flux: getting the sign correct

机译：控制量动量通量：正确设置符号

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摘要

When describing the application of control-volume analysis to linear-momentum-balance problems, students are cautioned that there are two different things to take into consideration when determining the proper sign for the momentum-flux term. This decision can be simplified through reliance on the choice of the coordinate system and control surface to determine the sign.

机译：在描述控制量分析在线性动量平衡问题中的应用时，应提醒学生在确定动量通量项的正确符号时要考虑两个不同的方面。通过选择坐标系和控制面来确定符号，可以简化此决策。

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来源
《International Journal of Mechanical Engineering Education》 |2008年第1期|p.77-80|共4页
作者
Kyle M. Schwing; G. Paul Neitzel;
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作者单位

Undergraduate student, Georgia Institute of Technology, Atlanta, GA 30332-0405, USA;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
关键词
control-volume momentum balance; momentum flux; momentum-flux sign;

机译：控制量动量平衡;动量通量;动量通量符号;

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Control-volume momentum flux: getting the sign correct

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