Application of ultrasonic sensors in the process industry

P Hauptmann, N Hoppe, A Püttmer - Measurement Science and …, 2002 - iopscience.iop.org
Continuous process monitoring in gaseous, liquid or molten media is a fundamental
requirement for process control. Besides temperature and pressure other process …

Process monitoring using ultrasonic sensor systems

B Henning, J Rautenberg - Ultrasonics, 2006 - Elsevier
Continuous in-line measurement of substance concentration in liquid mixtures is valuable in
improving industrial processes in terms of material properties, energy efficiency and process …

Multi-band sensing for dielectric property of chemicals using metamaterial integrated microfluidic sensor

H Zhou, D Hu, C Yang, C Chen, J Ji, M Chen, Y Chen… - Scientific reports, 2018 - nature.com
The growth of the chemical industry has brought tremendous challenges to chemical
sensing technology. Chemical sensors based on metamaterials have great potential …

Size effects on a one-dimensional defective phononic crystal sensor

Z Shu, G Zhang, Y Cong, S Gu - Smart Materials and Structures, 2023 - iopscience.iop.org
The influence of size effects on one-dimensional defective phononic crystal (PnC) sensors
based on simplified strain gradient elasticity theory (SSGET) is studied in this paper. PnCs …

Viscosity and density measurement methods for polymer melts

R Kažys, R Rekuvienė - Ultragarsas/Ultrasound, 2011 - ultragarsas.ktu.lt
In this article review of density and viscosity measurement methods is presented, including
ultrasonic pulse echo methods, which are capable to measure these properties of polymer …

The design and technical challenges of a micro-autonomous underwater vehicle (μAUV)

SA Watson, DJP Crutchley… - 2011 IEEE International …, 2011 - ieeexplore.ieee.org
Micro-Autonomous Underwater Vehicles (μAUVs) can form the basis of mobile underwater
sensor networks for monitoring sub-surface cluttered environments. There are numerous …

Online monitoring of suspension polymerization reactions using Raman spectroscopy

JC Santos, MM Reis, RAF Machado… - Industrial & …, 2004 - ACS Publications
The main objective of this paper is verifying the feasibility of using Raman spectroscopy for
online monitoring of suspension polymerization reactions. Whether the Raman spectra are …

Simultaneous evaluation of ultrasound velocity, attenuation and density of polymer solutions observed by multi-echo ultrasound spectroscopy

T Norisuye, S Sasa, K Takeda, M Kohyama… - Ultrasonics, 2011 - Elsevier
Ultrasound spectroscopy is a powerful tool to investigate the viscoelastic properties of
materials. The longitudinal elastic moduli M′ and M ″, or the adiabatic compressibility κS …

Comparison of techniques for the determination of conversion during suspension polymerization reactions

JC Santos, CN Lopes, MM Reis, R Giudici… - Brazilian Journal of …, 2008 - SciELO Brasil
The determination of conversion during suspension polymerization reactions is not an easy
task due to the heterogeneity of the reaction medium and the tendency of particles to …

An ultrasonic-capacitive system for online characterization of fuel oils in thermal power plants

MM Campos, LE Borges-da-Silva, DA Arantes… - Sensors, 2021 - mdpi.com
This paper presents a ultrasonic-capacitive system for online analysis of the quality of fuel
oils (FO), which are widely used to produce electric energy in Thermal Power Plants (TPP) …