实验流体力学2017，Vol.31Issue(3)：72-77,6.DOI:10.11729/syltlx20170025
水下壁面剪应力传感器温控标定装置研究
Research on the calibration device with temperature control for underwater wall shear stress sensor
摘要
Abstract
The appearance of new wall shear stress sensors provides new methods for measuring the underwater bed shear stress in estuarine and coastal engineering.The thermal wall shear stress sensor is affected by the ambient temperature significantly.The relevant research and application of these sensors are inseparable from the accurate calibration.Based on the relationship between the wall shear stress and the pressure gradient along the duct with high aspect ratio, a static calibration device for underwater wall shear stress sensor with temperature control is developed.This device can produce wall shear stress for calibration at different water temperature.The calibration device can provide a maximum water temperature of 35℃.A static calibration experiment of the MEMS flexible hot-film wall shear stress sensor is conducted using the device, and the calibration coefficients under different water temperature conditions are determined.The linear relation between the calibration coefficient B and the water temperature is found.关键词
壁面剪应力/剪应力传感器/水下/标定/温控Key words
wall shear stress/shear stress sensor/underwater/calibration/temperature control分类
建筑与水利引用本文复制引用
夏云峰,郝思禹,徐华,蔡喆伟,张世钊,闫杰超..水下壁面剪应力传感器温控标定装置研究[J].实验流体力学,2017,31(3):72-77,6.基金项目
国家重大科学仪器设备开发专项项目(2013YQ040911) （2013YQ040911）
国家自然科学基金项目(51309158) （51309158）
