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It is important to measure in-plane conductivity of Nafion membrane for fuel cell, but this target is generally inhibited by measuring system with heterogeneous interfaces and immature electrochemical measurements. This paper simply used…

Chemical Physics · Physics 2023-04-14 Jian-Wei Guo , Jian-Long Wang , Shang-kun Jiang , Li Li

Power quality monitoring has become a vital need in modern power systems owing to the need for agile operation and troubleshooting scheme. On the other hand, the nature of load in modern power system is changing in many ways. Digital loads,…

Systems and Control · Electrical Eng. & Systems 2023-08-15 Saeed Nasiri

We report a weighing metrology experiment of a single silica microsphere optically trapped and immersed in air. Based on fluctuations about thermal equilibrium, three different mass measurements are investigated, each arising from one of…

The ability to trap and guide coherent electrons is gaining importance in fundamental as well as in applied physics. In this regard novel quantum devices are currently developed that may operate under low vacuum conditions. Here we study…

Quantum Physics · Physics 2017-03-24 Georg Schütz , Alexander Rembold , Andreas Pooch , Wei-Tse Chang , Alexander Stibor

We describe a setup to perform systematic studies on the spreading of droplets of complex fluids under microgravity conditions. Tweaking the gravitational acceleration under which droplets are deposited provides access to different regimes…

Inertial pumping is a promising new method of moving fluids through microchannels but many of its properties remain unexplored. In this work, inertial flow rates are investigated for different channel lengths, operating temperatures, and…

Fluid Dynamics · Physics 2022-02-03 Pavel E. Kornilovitch , Tyler Cochell , Alexander N. Govyadinov

The effect of fluid flow on crystal nucleation in supercooled liquids is not well understood. The variable density and temperature gradients in the liquid make it difficult to study this under terrestrial gravity conditions. Nucleation…

In recent experiments, unprecedentedly large values for the conductivity of electrolytes through carbon nanotubes (CNTs) have been measured, possibly owing to flow slip and a high pore surface charge density whose origin is still unknown.…

Soft Condensed Matter · Physics 2023-07-25 Théo Hennequin , Manoel Manghi , Adrien Noury , Francois Henn , Vincent Jourdain , John Palmeri

Properties of typical MEMS materials have been widely investigated. Mechanical properties of MEMS structures depend not only on the bulk material properties, but also structural factors. A measurement system has been made to measure…

Other Computer Science · Computer Science 2008-12-18 Kai Axel Hals , Einar Halvorsen , Xuyuan Chen

Vertical packed columns are widely used in absorption, stripping and distillation processes. Flooding will occur in the vertical packed columns as a result of excessive liquid accumulation, which reduces mass transfer efficiency and causes…

Fluid Dynamics · Physics 2021-11-18 Zhigang Li , Yuan Chen , Yunjie Yang , Chang Liu , Mathieu Lucquiaud , Jiabin Jia

A pre-trained generator has been frequently adopted in compressed sensing (CS) due to its ability to effectively estimate signals with the prior of NNs. In order to further refine the NN-based prior, we propose a framework that allows the…

Machine Learning · Computer Science 2020-11-03 Kyung-Su Kim , Jung Hyun Lee , Eunho Yang

Many applications in aerodynamics, particularly in closed-loop control, depend on sensors to estimate the evolving state of the flow. This estimation task is inherently accompanied by uncertainty due to the noisy measurements of sensors or…

Fluid Dynamics · Physics 2026-01-07 Jeff D. Eldredge , Hanieh Mousavi

Microfluidics, the study of fluids in microscopic channels, has led to important advances in fields as diverse as microelectronics, biotechnology and chemistry. Microfluidic research is primarily based on the use of microfluidic chips,…

Systems and Control · Electrical Eng. & Systems 2024-07-15 Jorge Vicente Martinez , Edgar Ramirez-Laboreo , Pablo Calderon Gil

Monolithic active pixel sensors (MAPS) produced in a 65 nm CMOS imaging technology are being investigated for applications in particle physics. The MAPS design has a small collection electrode characterized by an input capacitance of ~fF,…

Several experimental implementations of cavity-magnon systems are presented. First an Yttrium Iron Garnet (YIG) block is placed inside a re-entrant cavity where the resulting hybrid mode is measured to be in the ultra strong coupling…

Quantum Physics · Physics 2019-11-26 Graeme Flower , Maxim Goryachev , Jeremy Bourhill , Michael E. Tobar

The characterisation of the atomic and molecular hydrogen content of high-redshift galaxies is a major observational challenge that will be addressed over the coming years with a new generation of radio telescopes. We investigate this…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-13 Alan R. Duffy , Scott T. Kay , Richard A. Battye , C. M. Booth , Claudio Dalla Vecchia , Joop Schaye

Following the first demonstration of a levitated nanosphere cooled to the quantum ground state in 2020 [1], macroscopic quantum sensors are seemingly on the horizon. The nanosphere's large mass as compared to other quantum systems enhances…

Quantum Physics · Physics 2021-03-19 Markus Rademacher , James Millen , Ying Lia Li

Understanding how to structure a porous electrode to facilitate fluid, mass, and charge transport is key to enhance the performance of electrochemical devices such as fuel cells, electrolyzers, and redox flow batteries (RFBs). Using a…

Fluid Dynamics · Physics 2024-06-19 Simone Dussi , Chris H. Rycroft

The second part of the monograph considers the application of the theory of ideal fluid to real fluids and gases. It contains eight examples of the practical application of the theory of inertial mass, a design diagram of a device for…

General Physics · Physics 2022-11-02 I. Z. Shkurchenko

In this paper, we discuss the usage and implementation of the compressive sensing (CS) for the efficient measurement and analysis of the von K\'arm\'an vortices. We consider two different flow fields, the flow fields around a circle and an…

Fluid Dynamics · Physics 2020-05-19 Cihan Bayindir , Baris Namli