Results 71 to 80 of about 3,675 (228)

An In‐Depth Analysis of Liquid Level Measurement Techniques and Performance Evaluation Using Computational Fluid Dynamics

open access: yesJournal of Sensors, Volume 2025, Issue 1, 2025.
Liquid level measurement (LLM) systems are extensively used in industry. Although most liquid measurement systems are based on indirect measurement, flow‐based monitoring is the most used secondary measuring technique for LLM. A comprehensive review of the existing LLM techniques including optical, image‐based, capacitive, and float sensors is ...
Vighnesh Shenoy   +2 more
wiley   +1 more source

A theoretical review of the operation of vibratory stress relief with particular reference to the stabilization of large-scale fabrications [PDF]

open access: yes, 2011
Vibratory stress relief (VSR) is widely used on large welded fabrications to stabilize the structures so that they do not distort during further machining or during operational duty.
C Walker   +6 more
core   +1 more source

Advancements in Cancer Research: 3D Models, Single‐Cell, and Live‐Cell Techniques for Better Insights

open access: yesAdvanced Therapeutics, Volume 7, Issue 12, December 2024.
Understanding cancer progression and its response to treatments requires accurately modeling the tumor microenvironment and precisely analyzing cell–cell and cell–environment interactions. Three‐dimensional tumor models, along with single‐cell and live‐cell analyses, provide more comprehensive insights compared to traditional methods.
Federica Carnevali   +14 more
wiley   +1 more source

Research and Analysis of Medium-low Speed Maglev Train Noise

open access: yesChengshi guidao jiaotong yanjiu
[Objective] In the actual operation process, the noise generated by medium-low speed maglev trains is a key factor affecting the quality of train service. Therefore, it is necessary to analyze the noise in medium-low speed maglev trains.
Yinghua LI   +4 more
doaj   +1 more source

Multilevel Converters: An Enabling Technology for High-Power Applications [PDF]

open access: yes, 2009
| Multilevel converters are considered today as the state-of-the-art power-conversion systems for high-power and power-quality demanding applications.
García Franquelo, Leopoldo   +6 more
core  

Compatible effects of adopting imaginary future generations and systems thinking in exploring future challenges: Evidence from a deliberation experiment

open access: yesFUTURES &FORESIGHT SCIENCE, Volume 6, Issue 4, December 2024.
Abstract We adopted an innovative methodology that combines systems thinking with “imaginary future generations” (IFGs), a method for activating “futurability” in people, to discussions about the issues and needs of a future society, and we verified the effectiveness and value of this methodology.
Keishiro Hara   +3 more
wiley   +1 more source

Indirect economic effects of a rail link along the afsluitdijk [PDF]

open access: yes
New transport infrastructure has a myriad of short and long run effects. The effects on population and economic activity are most difficult to estimate. This paper introduces three different models to estimate the impacts of new infrastructure on labour ...
Oosterhaven, J., Romp, W.E.
core   +1 more source

Electromagnetic levitation system [PDF]

open access: yes, 2014
Magnetism is a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects. It is widely adopted in many spheres of our routine life. By using the effect of magnetism, it has become possible
Rybakov, E. A., Starikov, D. P.
core  

High‐Temperature Superconductivity in Perovskite Hydride Below 10 GPa

open access: yesAdvanced Science, Volume 11, Issue 42, November 13, 2024.
Perovskite hydrides AXH3 can achieve superconducting transition temperatures exceeding 150 K at pressure below 10 GPa, such as CsInH3 (153 K at 9 GPa), RbTlH3 (170 K at 4 GPa) and CsTlH3 (163 K at 7 GPa). In addition, KGaH3 (146 K at 10 GPa) and RbInH3 (130 K at 6 GPa) are thermodynamically stable at 50 GPa. Abstract Hydrogen and hydride materials have
Mingyang Du   +6 more
wiley   +1 more source

Sensor fault detection with low computational cost : a proposed neural network-based control scheme [PDF]

open access: yes, 2012
The paper describes a low computational power method for detecting sensor faults. A typical fault detection unit for multiple sensor fault detection with modelbased approaches, requires a bank of estimators.
Deliparaschos, Kyriakos M.   +2 more
core   +2 more sources

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