Uncertainty Modelling of the Reference Pressure Generating with OIML and ASTM Weights in Pressure Balances

Ekici C.

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Uncertainty Modelling of the Reference Pressure Generating with OIML and ASTM Weights in Pressure Balances

机译：用OIML和ASTM权重在压力平衡中生成参考压力的不确定性建模

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A pressure balance is a combined with a piston-cylinder unit and a system for the application of a vertical load on the piston. Pressure balances are primary measuring systems those measure pressure in terms of force per unit area. Reference pressure can be generated by a pressure balance. There are many parameters to calculate reference pressure, such as piston's area, linear deformation of piston and cylinder, measuring temperature, mass, local gravity, surface tension of measuring liquidaEuro broken vertical bar All of these parameters have got measurement uncertainty, effects of these uncertainty components must be added to the uncertainty budget of reference pressure. In this study, the uncertainty model function of reference pressure is derived. And the uncertainty model function is rearranged. If the masses of pressure balance are calibrated according to the OIML R-111 or ASTM E-617 guides, the uncertainty model function that is given in the study can be used directly to calculate uncertainty of reference pressure.

机译：压力平衡仪与活塞缸单元和用于在活塞上施加垂直载荷的系统结合在一起。压力天平是主要的测量系统，可以根据单位面积的力来测量压力。参考压力可以通过压力平衡产生。有很多参数可用于计算参考压力，例如活塞的面积，活塞和气缸的线性变形，测量温度，质量，局部重力，测量液体的表面张力a折断的垂直条所有这些参数都具有测量不确定度，这些不确定度的影响组件必须添加到参考压力的不确定性预算中。在这项研究中，推导了参考压力的不确定性模型函数。并且不确定性模型函数被重新布置。如果压力平衡质量是根据OIML R-111或ASTM E-617指南进行校准的，则研究中给出的不确定性模型函数可直接用于计算参考压力的不确定性。

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《Mapan: Journal of Metrology Society of India》 |2016年第4期|共9页
作者
Ekici C.;
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正文语种 eng
中图分类计量学;
关键词
Pressure balance; Reference pressure; OIML weights; ASTM weights; Uncertainty;

机译：压力平衡;参考压力;OIML重量;ASTM重量;不确定度;

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机译：用OIML和ASTM权重在压力平衡中生成参考压力的不确定性建模
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机译：平面平行推力表面间流体压力的一些测量，特别是对径向平面密封的平衡

Uncertainty Modelling of the Reference Pressure Generating with OIML and ASTM Weights in Pressure Balances

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