Results 61 to 70 of about 171,918 (304)
Case Studies in Thermal Engineering, 2014 Heat transfer fluids (HTF) should be analysed at least once per year to determine the extent of thermal degradation. Under normal operating conditions, mineral-based HTFs will thermally degrade and the bonds between hydrocarbons break to form shorter ...
Christopher Ian Wright, Julien Premel
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Temperature distribution of LiCl droplets in vacuum flash evaporation
, 2014 The variations in temperature distribution of LiCl droplet, as a typical dehumidification solution, in vacuum flash-evaporation were theoretically modeled, empirically approximated, and experimentally analyzed to improve its recycling efficiency.
Gao, Wenzhong +3 more
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Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
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On the flash temperature in sliding contacts
The temperature increase in the contact regions between solids in sliding contact can easily reach several hundred Kelvin and thereby dramatically affect friction and wear. The classical theories by Jaeger, Archard, and Greenwood, commonly used to estimate flash temperature, ignore the multiscale nature of real surfaces and instead approximate the ...
Müser, M. H., Persson, B. N. J.
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Advanced Functional Materials, EarlyView.ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo +10 more
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Advanced Functional Materials, EarlyView.Ferroelectric tunnel junction devices based on epitaxial undoped ferroelectric HfO2 films demonstrate stable switching endurance of over 106 switching cycles, low write voltages of ±3 V, 16 measured resistance states, and neuromorphic capability.
Markus Hellenbrand +13 more
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Materials Research Letters, 2019 Flash sintering has received wide attention lately due to its ultrafast densification process at low sintering temperature. However, the deformability of flash-sintered ceramics remains poorly understood. Yttria-stabilized zirconia (YSZ) was processed by
Jaehun Cho +8 more
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Advanced Functional Materials, EarlyView.InSb, a narrow‐bandgap semiconductor with high carrier mobility, is promising for thermoelectric energy conversion but suffers from high lattice thermal conductivity and strong bipolar conduction. Here, in situ interface engineering using Co2O3 nanoprecursors forms hierarchical CoSbx/In2O3/CoSb3 heterostructures that enhance phonon scattering and ...
Jiwu Xin +10 more
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Applied SciencesThe operating conditions of the drum shearer are very complex, and its ranging arm gear system often suffers from gear scuffing and wear. Gear scuffing is caused by the adhesive wear, which is due to the instantaneous friction and flash temperature of ...
Bo Bai, Run Mao, Wenchao Guo, Shimin Mao
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The impact of light pollution on flash rate and duration of Pteroptyx bearni (Coleoptera : Lampyridae) [PDF]
, 2018 Fireflies from family Lampyridae (Order: Coleoptera) uses light for mating, as a defence mechanism or to prey others. They emit light via their light organ and only started to flash during the night.
The impact of light pollution on flash rate and duration of Pter
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