MEMS sensors for flow separation detection

Z Abbas, M Mansoor, M Habib, Z Mehmood - Microsystem Technologies, 2023 - Springer
Flow separation is a critical aerodynamic phenomenon impacting flight envelope of various
flying objects. Its efficient detection and subsequent control are vital for enhanced …

[HTML][HTML] Leading-edge flow sensing for detection of vortex shedding from airfoils in unsteady flows

A Saini, S Narsipur, A Gopalarathnam - Physics of Fluids, 2021 - pubs.aip.org
Sensing of vortex shedding in unsteady airfoil flows can be beneficial in controlling and
positively harnessing their effects for increased aerodynamic performance. The time …

Design and fabrication of a metal core PVDF fiber for an air flow sensor

Y Bian, R Liu, X Huang, J Hong… - Smart Materials and …, 2015 - iopscience.iop.org
To track prey or avoid predators, many arthropods can detect variations in airflow and
pressure gradients using an array of very thin and sensitive filiform hairs. In this study, metal …

Magnetohydrodynamics-based pumping flow model with propagative rhythmic membrane contraction

DS Bhandari, D Tripathi, VK Narla - The European Physical Journal Plus, 2020 - Springer
A novel magnetohydrodynamics (MHD)-based pumping flow model is proposed to study the
magnetic property in transient flow of viscous fluids through finite length channel where the …

Aerodynamic parameters from distributed heterogeneous CNT hair sensors with a feedforward neural network

KT Magar, GW Reich, C Kondash… - Bioinspiration & …, 2016 - iopscience.iop.org
Distributed arrays of artificial hair sensors have bio-like sensing capabilities to obtain spatial
and temporal surface flow information which is an important aspect of an effective fly-by-feel …

Design and fabrication of a multi-electrode metal-core piezoelectric fiber and its application as an airflow sensor

Y Bian, Y Zhang, X Xia - Journal of Bionic Engineering, 2016 - Springer
Crickets, similar to some other insects, have highly sensitive filiform hairs on their cerci that
can detect miniscule changes in airflow. This study imitates the perception mechanism of …

Review of microscale flow-sensor-enabled mechanosensing in small unmanned aerial vehicles

A Mark, Y Xu, BT Dickinson - Journal of Aircraft, 2019 - arc.aiaa.org
SMALL unmanned aerial vehicles (SUAVs) are “unmanned aerial vehicles small enough to
be man-portable”[1] and weigh less than 25 kg [2]. Their salient features include light weight; …

Detection of flow separation and stagnation points using artificial hair sensors

DM Phillips, CW Ray, BJ Hagen, W Su… - Smart Materials and …, 2015 - iopscience.iop.org
Recent interest in fly-by-feel approaches for aircraft control has motivated the development
of novel sensors for use in aerial systems. Artificial hair sensors (AHSs) are one type of …

A bioinspired pumping model for flow in a microtube with rhythmic wall contractions

Y Aboelkassem, AE Staples - Journal of Fluids and Structures, 2013 - Elsevier
Inspired by respiratory system in insects, in particular the rhythmic wall contractions found in
insect's tracheal tubes, we propose a bioinspired pumping model that can work particularly …

Flow separation sensing on airfoil using a 3D printed biomimetic artificial hair sensor

K Rajasekaran, HD Bae, S Bergbreiter… - Bioinspiration & …, 2022 - iopscience.iop.org
Small-scale unmanned air vehicles require lightweight, compact, and low-power sensors
that encompass a variety of sensing modalities to enable flight control and navigation in …