High temperature gradient calorimetric wall shear stress micro-sensor for flow separation detection

C Ghouila-Houri, Q Gallas, E Garnier, A Merlen… - Sensors and Actuators A …, 2017 - Elsevier
The paper describes and discusses the design and testing of an efficient and high-sensitivity
calorimetric thermal sensor developed for bi-directional wall shear stress measurements in …

A micro-scale hot wire anemometer based on low stress (Ni/W) multi-layers deposited on nano-crystalline diamond for air flow sensing

A Talbi, L Gimeno, JC Gerbedoen… - Journal of …, 2015 - iopscience.iop.org
A linear array of microscale thermal anemometers has been designed, fabricated and
characterized. The sensitive element consists of a self-compensated-stress multilayer (Ni/W) …

Unsteady flows measurements using a calorimetric wall shear stress micro-sensor

C Ghouila-Houri, A Talbi, R Viard, Q Gallas… - Experiments in …, 2019 - Springer
A microscale low power high temperature gradient calorimetric (HTGC) sensor measuring
both mean and fluctuating bidirectional wall shear stress is presented. The micromachined …

MEMS high temperature gradient sensor for skin-friction measurements in highly turbulent flows

C Ghouila-Houri, A Talbi, R Viard, Q Gallas… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
This paper presents and discusses the results obtained with a MEMS (Micro-Electro-
Mechanical System) high temperature gradient sensor for time-averaged and fluctuating …

High temperature gradient micro-sensor for wall shear stress and flow direction measurements

C Ghouila-Houri, J Claudel, JC Gerbedoen… - Applied Physics …, 2016 - pubs.aip.org
We present an efficient and high-sensitive thermal micro-sensor for near wall flow
parameters measurements. By combining substrate-free wire structure and mechanical …

High temperature gradient micro-sensors array for flow separation detection and control

C Ghouila-Houri, A Talbi, R Viard… - Smart Materials and …, 2019 - iopscience.iop.org
This paper reports the use of an array of calorimetric micro-sensors that perform bidirectional
measurement of wall shear stress, for flow separation detection and control. The sensors …

Porous silver nanosheets: a novel sensing material for nanoscale and microscale airflow sensors

E Marzbanrad, B Zhao, NY Zhou - Nanotechnology, 2015 - iopscience.iop.org
Fabrication of nanoscale and microscale machines and devices is one of the goals of
nanotechnology. For this purpose, different materials, methods, and devices should be …

High resolution nano-gap Pirani sensor for pressure measurement in wide dynamic range operation around atmospheric pressure

J Claudel, C Ghouila-Houri, JC Gerbedoen… - Procedia …, 2016 - Elsevier
We present an innovative and practical pressure sensor based on Pirani effect enabling
high sensitivity, high resolution, and high dynamic range around atmospheric pressure. The …

Robust thermal microstructure for designing flow sensors and pressure sensors

C Ghouila-Houri, R Viard, Q Gallas… - 2017 IEEE …, 2017 - ieeexplore.ieee.org
This paper presents a multifunctional hot-wire based microstructure enabling the design of
pressure sensors and wall shear stress sensors for aerodynamic applications. The hotwire is …

Micro-fabricated thermal flow-rate sensors: the substrate material impact on the device performance and power consumption

F Shaun, E Nefzaoui, F Marty, W Cesar… - Microsystem …, 2018 - Springer
We report on micro-machined flow-rate sensors as part of autonomous multi-parameter
sensing devices for water network monitoring. Three different prototypes of the flow-rate …