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Advanced Engineering Materials, EarlyView.This study examines the incorporation of the polymer BUTVAR during the synthesis of various perovskite structures at room temperature The study demonstrates that the incorporation of the polymer solution enhances the optical characteristics and improves the shape uniformity of the resultant perovskite material without altering the inherent structure of
Elshaimaa Darwish +4 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.This study explores aerosol jet‐printed (AJP) surface roughness, its effects on the performance of microwave electronics, and its process contributors. First, an electromagnetic model is vetted for AJP's unique roughness signature. Simulations are built which show process‐induced roughness is as significant as conductor resistivity in driving microwave
Christopher Areias, Alkim Akyurtlu
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High‐Entropy Ti, Zr, Hf, Ta Multiphase Diboride with Deformation Resistance up to 2000 °C
Advanced Engineering Materials, EarlyView.Ceramics are brittle and strength decreases with temperature. The multiphase high‐entropy (Ti0.25Ta0.25Hf0.25Zr0.25)B2 with heterogeneity at the nano‐ and microscale demonstrates deformation resistance up to 2000 °C, with maximum bending strength at 1800 °C.
Petre Badica +3 more
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Advanced Engineering Materials, EarlyView.Herein the metal‐to‐insulator transition is investigated when depositing vanadium dioxide (VO2) on glass or aluminum‐doped zinc oxide (AZO). O2 flow tuning during the deposition and additional post annealing are effective to control the metal‐to‐insulator transition. However, the VO2/AZO/glass stack reveals an increase in the transition temperature and
Eduard Llorens Balada +3 more
wiley +1 more source
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2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014
Nowadays monitoring physiological signals in real situations is essential to get the best diagnosis on patients. In this study we focus on the heat flux generated by the human body. We are developing a portable heat flux sensor using specific thermal materials.
Cousin, Pierre +3 more
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Nowadays monitoring physiological signals in real situations is essential to get the best diagnosis on patients. In this study we focus on the heat flux generated by the human body. We are developing a portable heat flux sensor using specific thermal materials.
Cousin, Pierre +3 more
openaire +5 more sources
Heat Flux Measurement and Heat Flux Sensor
2020Nowadays, many methods exist for measuring the temperature and only few for measuring heat and heat flux, while the concepts of heat, heat flux and temperature are well understood. Why? Let us look at the US Patent and Trade Mark Office database [1]. Searching the US Patent Collection we found 39 patents with following keywords (heat AND (flow OR flux)
Andrey V. Mityakov +2 more
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Critical heat flux and heat transfer for high heat flux applications
International Journal of Heat and Mass Transfer, 1986Mesure de flux thermiques critiques a l'ebullition dans des tubes horizontaux de cuivre en ecoulements annulaires et sous refroidis dans un large domaine de debit massique.
L.L. Schluter, L.N. Powell, R.D. Boyd
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International Journal of Multiphase Flow, 1985
Abstract Studies of the critical heat flux (CHF) carried out during the last decade have been reviewed, with emphasis on the main current of investigation flowing steadily toward a better and “unmysterious” understanding of the CHF phenomenon, together with a survey of a number of fundamental studies on the CHF. In order to attain this objective and,
openaire +2 more sources
Abstract Studies of the critical heat flux (CHF) carried out during the last decade have been reviewed, with emphasis on the main current of investigation flowing steadily toward a better and “unmysterious” understanding of the CHF phenomenon, together with a survey of a number of fundamental studies on the CHF. In order to attain this objective and,
openaire +2 more sources
Critical Heat Flux in Tubes With Cosine Axial Heat Flux
Heat Transfer: Volume 2, 2005In this study a method to predict CHF (Critical Heat Flux) in vertical round tubes with cosine heat flux distribution was examined. For this purpose a uniform correlation, based on local condition hypothesis, was developed from 9,366 CHF data points of uniform heat flux heaters.
Joo-Yong Park +3 more
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, 1979 Soil heat flux is sometimes ignored because its magnitude is often small relative to the other terms in the energy balance equation. The daily and yearly sums are normally near zero, but daily values can be significant when the soil is heating in the spring or cooling in the fall.
Leo J. Fritschen, Lloyd W. Gay
openaire +1 more source