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Effects of Air Cavity in Dynamic Pressure Sensors: Experimental Validation [PDF]
Sensors, 2020 An air-backed diaphragm is the key structure of most dynamic pressure sensors and plays a critical role in determining the sensor performance. Our previous analytical model investigated the influence of air cavity length on the sensitivity and bandwidth.
Qian Dong, Xiaolei Song, Haijun Liu
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An Experimental Study on the Resistance of a High-Speed Air Cavity Craft
Journal of Marine Science and Engineering, 2023 For the marine industry, resistance reduction can reduce energy consumption and achieve protection of the marine environment. The use of air lubrication to reduce the resistance of ships is one of the most important ways. With this technology, high-speed
Lin Song +5 more
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Research Progress of Air Lubrication Drag Reduction Technology for Ships
Fluids, 2022 Air lubrication is a promising drag reduction technology for ships because it is considered to reduce the skin-friction resistance of ships by changing the energy of turbulent boundary layers.
Hai An, Haozhe Pan, Po Yang
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Air cavity-based vibrational piezoelectric energy harvesters
Electrical engineering & Electromechanics, 2021 Introduction. Known vibrational energy harvesting methods use a source of vibration to harvest electric energy. Piezoelectric material works as a sensing element converted mechanical energy (vibration) to electrical energy (electric field).
A. A. Mohamad Yusoff +4 more
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Energies, 2022 Green façades with an active water regime and the water flowing through the substrate itself are not common. This system reduces the temperatures and incorporates the evapotranspiration, which could be more effective than by the regular green façades ...
Peter Juras, Pavol Durica
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Microclimate of Air Cavities in Ventilated Roof and Façade Systems in Nordic Climates
Buildings, 2022 Accurate values for the climatic conditions in an air cavity, hereby called the microclimate, are crucial when calculating and simulating the performance of a ventilated roof and façade system.
Sara Bredal Ingebretsen +2 more
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Experimental Study of Thermal Buoyancy in the Cavity of Ventilated Roofs
Buildings, 2020 Pitched wooden roofs are ventilated through an air cavity beneath the roofing in order to remove heat and moisture from the roof construction. The ventilation is driven by wind pressure and thermal buoyancy.
Nora Schjøth Bunkholt +6 more
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Journal of Marine Science and Engineering, 2023 To further improve the low-frequency broadband sound absorption capability of the underwater anechoic layer (UAL) on the surface of marine equipment, a novel sound absorption structure with cavities (NSSC) is designed by adding resonators and honeycombs ...
Jinshun Hu +5 more
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Enhanced-Isolation Dual-Polarized Aperture-Fed Patch Antenna with Air Cavity for 5G Communication [PDF]
Journal of Electromagnetic Engineering and ScienceThis paper proposes a method to enhance the bandwidth and port isolation characteristics of a dual-polarization patch antenna using an aperture-coupled feeding structure with isolation vias.
Deokjin Seo +3 more
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The Hydrodynamics of High Diving
Proceedings, 2020 Diving consists of jumping into water from a platform, usually while performing acrobatics. During high diving competitions, the initial height reaches 27 m.
Thibault Guillet +8 more
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