Results 121 to 130 of about 373,225 (319)

Condensation heat transfer and pressure drop in flat tubes having different aspect ratio

open access: yes, 2012
In this study, condensation heat transfer coefficients of R-410A were obtained in flattened stainless tubes made from 5.0 mm inner diameter round tubes.
Kim, Nae-Hyun   +2 more
core  

Achieving High ON State Current through Ferroelectric Polarization‐Dependent Interfacial Resistance Switching in Undoped Orthorhombic HfO2 Films

open access: yesAdvanced 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
wiley   +1 more source

Forced-convection condensation heat-transfer on horizontal integral-fin tubes including effects of liquid retention

open access: yes, 2011
PhDAccurate and repeatable heat-transfer data are reported for forced-convection filmwise condensation of steam and ethylene glycol flowing vertically downward over two single, horizontal instrumented integral-fin tubes and one plain tube. Vapour-side,
FITZGERALD, Claire Louise
core  

Silicified Wood‐Inspired, High‐Strength Fire‐Resistant Chitin‐Based Aerogels for Sustainable High‐Temperature Thermal Insulation

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by natural silicified wood, a biomimetic mineralized chitin‐derived aerogel is constructed. It can withstand 81 000 times its own weight, and its backside temperature is 130.4°C after exposure to ∼1300°C butane flame for 600 s, exhibiting high‐strength, fire‐resistance, and super thermal‐insulation properties.
Kai Xu   +11 more
wiley   +1 more source

Heterogeneous condensation for submicronic particles abatement

open access: yes, 2010
It is now well established that the emission of sub-micrometric particulate matter entrained in flue gases of industry and vehicles exhausts, is one of the most critical treats for human health because of the toxicological effects of ultrafine particles ...
Tammaro, Marco
core  

Polariton condensation with saturable molecules dressed by vibrational modes

open access: yes, 2014
JAC acknowledges support from EPSRC, SR from the Cambridge Commonwealth trust, JK from EPSRC program "TOPNES" (EP/I031014/1) and EPSRC (EP/G004714/2). Argonne National Laboratory's work was supported by the U.S.
Cwik, Justyna   +7 more
core   +1 more source

Experiments on Condensation Heat Transfer of Low GWP Refrigerants Outside Horizontal Tubes

open access: yes, 2020
In this study, the flow pattern of condensate liquid film and condensation heat transfer characteristics of low GWP refrigerants outside a horizontal smooth tube and a three–dimensional microscopic–grooved tube were experimentally verified.
地下, 大輔   +4 more
core   +1 more source

Soft Condensation

open access: yesPhysical Review Letters
When moist air meets a cold surface, it creates a breath figure characterized by numerous small droplets. The central question is how the vapor flux is distributed between the growth of previously condensed drops and the nucleation of new ones. Here, we investigate the nucleation, growth, and coalescence of droplets on soft crosslinked polymer networks.
Ambre Bouillant   +4 more
openaire   +5 more sources

Exploring an Alternative to mRNA Vaccine Cold Chain Storage: MRNA‐Lipid Nanoparticle Stability When Dried in a Polymer Matrix

open access: yesAdvanced Functional Materials, EarlyView.
The nanostructure, size, and function of mRNA‐loaded lipid nanoparticles are evaluated before drying, within polymer microneedles, and after rehydration. The results reveal the polymer and LNP loadings required to recover nanostructure and preserve the delivery performance in dry‐state formulations.
Brendan P. Dyett   +19 more
wiley   +1 more source

Home - About - Disclaimer - Privacy