Articles with "air cavity" as a keyword



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Impact of varying air cavity on planning dosimetry for rectum patients treated on a 1.5 T hybrid MR‐linac system

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Published in 2020 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12903

Abstract: Abstract Purpose To investigate the dosimetric impact of magnetic (B) field on varying air cavities in rectum patients treated on the hybrid 1.5 T MR‐linac. Methods Artificial air cavities of varying diameters (0.0, 1.0, 1.5,… read more here.

Keywords: varying air; field; air cavity; air ... See more keywords
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Characterizing local dose perturbations due to gas cavities in Magnetic Resonance guided Radiotherapy.

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Published in 2020 at "Medical physics"

DOI: 10.1002/mp.14120

Abstract: PURPOSE Due to differences in attenuation and the Electron Return Effect (ERE), the presence of gas can increase the risk of toxicity in Organs At risk (OAR) during Magnetic Resonance guided Radiotherapy (MRgRT). Current adaptive… read more here.

Keywords: gas; air cavity; air; dose perturbations ... See more keywords
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Acoustic investigation of high-sensitivity spherical leak detector for liquid-filled pipelines

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Published in 2020 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2020.107790

Abstract: Abstract Inner spherical detectors (SDs) can approach the leak point of a liquid-filled pipeline from the inside, and therefore potentially have very high leak detection sensitivity. This paper demonstrates the SD’s high sensitivity of detecting… read more here.

Keywords: liquid filled; high sensitivity; air cavity; sensitivity ... See more keywords
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Numerical simulation of air layer morphology on flat bottom plate with air cavity and evaluation of the drag reduction effect

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Published in 2019 at "International Journal of Naval Architecture and Ocean Engineering"

DOI: 10.1016/j.ijnaoe.2018.09.005

Abstract: Abstract To investigate the morphology characteristics of air layer in the air cavity, a numerical method with the combination of RANS equations and VOF two-phase-flow model is proposed for a plate with air cavity. Based… read more here.

Keywords: air cavity; air; air layer; morphology ... See more keywords
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Optical Fiber In-Line Mach-Zehnder Interferometer Based On an Inner Air-Cavity With Long Cavity Length

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Published in 2021 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2021.3097904

Abstract: An optical fiber in-line Mach-Zehnder interferometer based on an inner air-cavity with long cavity length is demonstrated. The device is fabricated by using femtosecond laser to inscribe a waveguide structure in the optical fiber core,… read more here.

Keywords: inner air; air cavity; fiber; cavity ... See more keywords
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Effects of Inclined Sidewall Structure With Bottom Metal Air Cavity on the Light Extraction Efficiency for AlGaN-Based Deep Ultraviolet Light-Emitting Diodes

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Published in 2017 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2017.2736642

Abstract: An inclined sidewall scattering structure with air cavity characterized by a metal bottom and flat parallel top (Bottom_metal) is proposed to enhance the light extraction efficiency (LEE) for AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs).… read more here.

Keywords: metal; bottom metal; air cavity; structure ... See more keywords
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An Air Cavity-Fed Circularly Polarized Magneto-Electric Dipole Antenna Array With Gap Waveguide Technology for mm-Wave Applications

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Published in 2019 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2019.2925186

Abstract: In this communication, a low profile $4 \times 8$ air cavity-fed circularly polarized (CP) planar antenna array with high performance for W-band is proposed. This antenna array is composed of two parts: low-loss gap waveguide… read more here.

Keywords: tex math; air cavity; inline formula; cavity ... See more keywords
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Temperature-insensitive fiber optic Fabry-Perot interferometer based on special air cavity for transverse load and strain measurements.

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Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.009443

Abstract: We experimentally demonstrate transverse load and strain sensing based on a fiber optic Fabry-Perot interferometer (FPI) with special air cavity, which was created by fusion splicing single mode fiber (SMF), hollow core fiber (HCF) and… read more here.

Keywords: strain; transverse; transverse load; air cavity ... See more keywords
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Solar Heat Gain Reduction of Ventilated Double Skin Windows without a Shading Device

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Published in 2017 at "Sustainability"

DOI: 10.3390/su10010064

Abstract: With global efforts to strengthen various energy-saving policies for buildings to reduce greenhouse gas emissions, in South Korea, new laws and regulations have been in force since May 2015 to install shading devices in public… read more here.

Keywords: double skin; air cavity; air; heat gain ... See more keywords