Results 131 to 140 of about 3,923,864 (337)

The Impact of In-Flight Acceleration Environments on the Performance of a Phase-Change Heat Exchanger Unit with Layered Porous Media

Aerospace
The Phase-Change Heat Exchanger Unit in Layered Porous Media (PCEU-LPM) is obtained through frozen pouring processing, and exhibits characteristics such as high thermal conductivity, high latent heat, and high permeability, making it suitable for ...
Ruoji Zhang, Jingyang Zhang, Jingzhou Zhang   +2 more
doaj   +1 more source

Unified Linear Stability Analysis for Thermal Convections in Spherical Shells Under Different Boundary Conditions and Heating Modes

Earth and Space Science, 2019
Layered interior structure of most planets may be well approximated by spherical shells. An important subject for analyzing planet thermal structure and evolution is to determine the transitional condition from heat conduction dominated mechanism to ...
Hongzheng Yu, Shimin Wang
doaj   +1 more source

Architecture of an All‐In‐One Microfluidic Platform for Accelerated Cancer Seeding, Enhanced Spheroid Formation, and Dynamic Drug Screening Trials

Advanced Materials Technologies, EarlyView.
An all‐in‐one microfluidic platform consists of two‐layered PDMS channels integrated with a hydrogel microwell array. This platform enables flow‐driven tumor cell capture, enhanced spheroid formation within the microwells, and advective drug testing. ABSTRACT Effective cancer drug screening requires platforms that replicate the physiological complexity
Omar M. Rahman, Shengxi Lan, Dae Kun Hwang   +2 more
wiley   +1 more source

Recent Advances of Slip Sensors for Smart Robotics

Advanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang, Liao Wu, Shuai He, Zhao Sha, Yuwan Huang, Shuying Wu, Dewei Chu, Chun H. Wang, Shuhua Peng   +8 more
wiley   +1 more source

Microwave scattering and emission properties of large impact craters on the surface of Venus [PDF]

Many of the impact craters on Venus imaged by the Magellan synthetic aperture radar (SAR) have interior floors with oblique incidence angle backscatter cross sections 2 to 16 times (3 dB to 12 dB) greater than the average scattering properties of the ...
Campbell, D. B., Devries, C., Stacy, N. J. S.   +2 more
core   +1 more source

The melting curve of iron at extreme pressures: implications for planetary cores

, 2010
Exoplanets with masses similar to that of Earth have recently been discovered in extrasolar systems. A first order question for understanding their dynamics is to know whether they possess Earth like liquid metallic cores. However, the iron melting curve
Alfè, Alfè, Alfè, Alfè, Beaulieu, Belonoshko, Belonoshko, Belonoshko, Belonoshko, Belonoshko, Blochl, Boehler, Bonev, Bottin, Bouchet, Brown, Cote, D. Valencia, Dewaele, Dubrovinsky, F. Guyot, G. Morard, Gonze, Hernlund, J. Bouchet, Kuwayama, Morard, Nguyen, Perdew, Poirier, Raty, S. Mazevet, Schubert, Seagle, Shen, Sola, Sotin, Torrent, Valencia, Valencia, van den Berg, Vocadlo, Yoo   +42 more
core   +3 more sources

On–Off Switchable Micromotors for Use in Steerable Microvehicles

Advanced Robotics Research, EarlyView.
Electrically controllable micromotors and microvehicles are developed by tuning the diffusion of the fuel. Self‐propelled micromotors using bubble propulsion show great promise for miniaturized devices with multiuse purposes such as cargo delivery and sensing. However, there is currently no method to electrically switch the micromotors on or off. Here,
Hugo Severinsson, Eswaran Murugasen, Jose G. Martinez, Edwin W. H. Jager   +3 more
wiley   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Building the scientific basis for the adaptation strategy of an Alpine region: The ‘State of the climate in Trentino’ report

Climate Services
Many regional administrations are currently developing tailored adaptation strategies, based on the unique characteristics of their territories, which includes local climate patterns and, more importantly, environmental and socioeconomic factors.
Anna Napoli, Michael Matiu, Lavinia Laiti, Roberto Barbiero, David Tombolato, Silvia Scarian Monsorno, Alberto Bellin, Dino Zardi, Bruno Majone   +8 more
doaj   +1 more source

A numerical study of transient heat and mass transfer in crystal growth [PDF]

A numerical analysis of transient heat and solute transport across a rectangular cavity is performed. Five nonlinear partial differential equations which govern the conservation of mass, momentum, energy and solute concentration related to crystal growth
Han, Samuel Bang-Moo
core   +1 more source