Development of Density and Viscosity Measurement System by Microelectromechanical Systems Sensor

doi:10.7652/xjtuxb201403009

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Development of Density and Viscosity Measurement System by Microelectromechanical Systems Sensor

更新时间：2025-04-29

- Development of Density and Viscosity Measurement System by Microelectromechanical Systems Sensor
- Vol. 48, Issue 3, Pages: 44-48(2014)
- 作者机构：
  
  西安交通大学热流科学与工程教育部重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201403009
  CLC： TK123;TP212
- Online First：10 March 2014，
  
  Published：2014
- 稿件说明：
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Development of Density and Viscosity Measurement System by Microelectromechanical Systems Sensor[J]. 2014, 48(3): 44-48.
DOI：

Development of Density and Viscosity Measurement System by Microelectromechanical Systems Sensor[J]. 2014, 48(3): 44-48. DOI： 10.7652/xjtuxb201403009.

摘要

为了快速、准确地获得流体的密度和黏度数据

研制了一套采用微型传感器的密度/黏度实验系统。在激励装置的驱动下

微型传感器在流体中周期性振动

通过测量传感器的谐振频率和品质因子来获取流体的密度和黏度。分别采用标准物质甲苯和正庚烷对实验系统进行了标定和测试

测量的温度范围为283.15～303.15 K

压力为0.1 MPa

将实验值与文献值进行了比较

结果表明

密度测量值与文献值的平均绝对偏差为0.93%

最大偏差为1.26%

黏度测量值与文献值的平均绝对偏差为7.08%

最大偏差为16.67%

验证了实验系统的可靠性。

Abstract

An experimental system was constructed for the simultaneous measurement of density and viscosity of fluids by microelectromechanical systems(MEMS)sensor. The experimental system determined the density and viscosity data via the measurement for sensor resonance frequency and quality factor. The density and viscosity of toluene and n-heptane were obtained. The measurements were carried out for five times in the temperature range from 283.15 to 303.15 K and under pressure of 0.1 MPa. The experimental data were compared with those of the literatures. The mean absolute deviation and the maximum deviation for density reach 0.93% and 1.26%; the mean absolute deviation and the maximum deviation for viscosity reach 7.08% and 16.67% respectively.

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references

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