Articles with "circular disk" as a keyword



Investigation on a rotating FGPM circular disk under a coupled hygrothermal field

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Published in 2017 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2017.01.062

Abstract: Abstract In this paper, the distributions of the temperature, moisture, displacement and stress of a functionally graded piezoelectric material (FGPM) circular disk rotating around its axis at a constant angular velocity under a coupled hygrothermal… read more here.

Keywords: circular disk; fgpm circular; hygrothermal field; coupled hygrothermal ... See more keywords
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Flow around an oscillating circular disk at low to moderate Reynolds numbers

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Published in 2017 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2016.800

Abstract: Direct numerical simulations of the flow induced by a circular disk oscillating sinusoidally along its axis are performed. The aspect ratio ( $\unicode[STIX]{x1D712}=\text{diameter}/\text{thickness}$ ) of the disk is 10. The Reynolds number ( $\mathit{Re}$ ),… read more here.

Keywords: disk; flow regimes; circular disk; flow around ... See more keywords
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Broadband Permittivity Measurements up to 170-GHz Using Balanced-Type Circular-Disk Resonator Excited by 0.8-mm Coaxial Line

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Published in 2019 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2018.2886864

Abstract: This paper describes the broadband permittivity measurements up to 170 GHz of plate samples by using a balanced-type circular-disk resonator (BCDR) excited by a 0.8-mm coaxial line. Because only the TM ${_{0m0}}$ modes are selectively… read more here.

Keywords: measurements 170; permittivity measurements; excited coaxial; circular disk ... See more keywords
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Circular disk plasmonic optical antenna array-enhanced avalanche photodiode with simultaneously enhanced gain and detection speed

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Published in 2021 at "Journal of Nanophotonics"

DOI: 10.1117/1.jnp.15.026013

Abstract: Abstract. Avalanche photodiodes (APDs) are critical photodetection devices for high sensitivity and high-speed sensing. Great efforts in bandgap engineering and impact-ionization engineering have been put to achieve high gain-bandwidth products. Plasmonic optical antenna (POA) techniques… read more here.

Keywords: array; gain; circular disk; gain detection ... See more keywords
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Thermoelastic Characteristics of Functionally Graded Circular Disk Models under the Loading of Contact Forces

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Published in 2021 at "Mathematical Problems in Engineering"

DOI: 10.1155/2021/8845028

Abstract: A rotating functionally graded circular disk undergoing a contact load is taken into account to investigate the thermoelastic characteristics. By considering contact force, a pair of partial differential equations is induced as the governing equations… read more here.

Keywords: circular disk; functionally graded; contact force; disk ... See more keywords
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SHIELDING OF A PERFECTLY CONDUCTING CIRCULAR DISK: EXACT AND STATIC ANALYTICAL SOLUTION

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Published in 2019 at "Progress In Electromagnetics Research C"

DOI: 10.2528/pierc19052908

Abstract: The problem of the shielding evaluation of an infinitesimally thin perfectly conducting circular disk against a vertical magnetic dipole is here addressed. The problem is reduced to a set of dual integral equations and solved… read more here.

Keywords: shielding perfectly; conducting circular; circular disk; solution ... See more keywords