Experimental Study on Cu/Oil Nanofluids through Concentric Annular Tube: A Correlation
Sign Up to like & getrecommendations! Published in 2017 at "Heat Transfer Research"
DOI: 10.1002/htj.21210
Abstract: This study deals with an empirical investigation on the convective heat transfer of Cu/oil nanofluid flow inside a concentric annular tube with constant heat flux boundary condition and suggests a correlation to predict the Nusselt… read more here.
Keywords: annular tube; heat; correlation; concentric annular ... See more keywords
Convective heat transfer of turbulent decaying swirled flows in concentric annular pipes
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.04.015
Abstract: Abstract The heat transfer characteristics of turbulent decaying swirled flows in concentric annular pipes is investigated numerically by means of CFD simulations using the OpenFOAM package. The simulations are performed for different Reynolds numbers and… read more here.
Keywords: flows concentric; turbulent decaying; decaying swirled; heat transfer ... See more keywords
Annular thermoelectric generator performance optimization analysis based on concentric annular heat exchanger
Sign Up to like & getrecommendations! Published in 2022 at "Energy"
DOI: 10.1016/j.energy.2021.122127
Abstract: Abstract In order to increase the energy conversion efficiency of thermoelectric generators for automobile systems where the heat sources are commonly cylindrical, a novel concentric annular thermoelectric generator (CATEG) consisting of annular thermocouples and a… read more here.
Keywords: thermoelectric generator; annular thermoelectric; heat exchanger; concentric annular ... See more keywords
Effects of radius ratio on turbulent concentric annular pipe flow and structures
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2020.108725
Abstract: Abstract The effects of radius ratio on fully-developed turbulent concentric annular pipe flow and structures are investigated using direct numerical simulations (DNS). In order to study the radius ratio effects on the flow, four radius… read more here.
Keywords: radius ratio; annular pipe; flow structures; concentric annular ... See more keywords
Concentric Annular Leaky Wave Antenna Array and Its Application to Self-Sensing Smart Antenna for Radio Wave Coverage in 2-D Confined Spaces
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DOI: 10.1109/access.2022.3153096
Abstract: A beam-changeable concentric annular Leaky-Wave Antenna (LWA) array is proposed, which contains two annular LWAs with constant-interval slots. By changing the excitations of the two LWAs, the radiation beam can be changed to different shapes… read more here.
Keywords: smart antenna; annular leaky; array; concentric annular ... See more keywords
Design and Fabrication of a High-Power Air-Coupled Capacitive Micromachined Ultrasonic Transducer Array With Concentric Annular Cells
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2017.2746006
Abstract: One shortcoming of capacitive micromachined ultrasonic transducers (CMUTs) for commercial use is the weak output power relative to traditional ultrasonic transducers. Recently, we reported an annular CMUT cell with an improved transmit efficiency over a… read more here.
Keywords: array; power; air; concentric annular ... See more keywords