Results 31 to 40 of about 17,738 (177)

Sea surface temperature control on the distribution of far-traveled Southern Ocean ice-rafted detritus during the Pliocene [PDF]

Paleoceanography, 2014
The flux and provenance of ice-rafted detritus (IRD) deposited in the Southern Ocean can reveal information about the past instability of Antarctica's ice sheets during different climatic conditions. Here we present a Pliocene IRD provenance record based on the Ar/Ar ages of ice-rafted hornblende grains from Ocean Drilling Program Site 1165, located ...
Cook, CP, Van De Flierdt, T, Hill, DJ, Dolan, AM, Williams, T, Hemming, SR, Pierce, EL, Escutia, C, Gonzales, JJ, Harwood, D, Cortese, G   +10 more
openaire   +3 more sources

Positron-acoustic traveling waves solutions and quasi-periodic route to chaos in magnetoplasmas featuring Cairns nonthermal distribution

, 2021
Dynamics of the positron acoustic waves (PAWs) in magnetoplasmas following Cairns non-thermal distribution is studied on the frameworks of the Korteweg–de Vries (KdV) and modified Korteweg–de Vries (mKdV) equations.
A. Alim, B. B. Mouhammadoul, C. G. L. Tiofack, A. Mohamadou   +3 more
core   +1 more source

Numerical Simulation and Analysis of Gas-liquid Coupled Double-acting Thermoacoustic Refrigeration System

Zhileng xuebao, 2021
A novel type of gas–liquid coupled double-acting traveling-wave thermoacoustic refrigeration system is proposed to solve the low efficiency of traditional thermoacoustic refrigeration with a gas resonance tube.
Chi Jiaxin, Xu Jingyuan, Zhang Limin, Li Ping, Luo Ercang   +4 more
doaj  

Modeling and analysis of a dual-acoustic-driver thermoacoustic heat pump [PDF]

, 2022
Thermoacoustic heat pumps (TAHPs) can be used for heating and/or cooling purposes. Current designs of travelling-wave TAHPs normally employ a single acoustic driver and rely on a looped pipe to establish and maintain the required acoustic field.
Tang, Lihua, Geng Chen, Yu, Zhibin, Chen, Geng, Lihua Tang, Zhibin Yu   +5 more
core   +1 more source

Study of a Square Single-Phase Natural Circulation Loop Using the Lattice Boltzmann Method

Applied Mechanics, 2023
Natural circulation loops are thermohydraulic circuits used to transport heat from a source to a sink in the absence of a pump, using the forces induced by the thermal expansion of a working fluid to circulate it.
Johan Augusto Bocanegra, Annalisa Marchitto, Mario Misale   +2 more
doaj   +1 more source

Uncovering the Composition and Diversity of Pelagic Copepods in the Oligotrophic Blue Water of the South Pacific Subtropical Gyre

Frontiers in Marine Science, 2021
The subtropical gyres occupy approximately 40% of the surface of the Earth and are widely recognized as oligotrophic zones. Among them, the South Pacific subtropical gyre (SPSG) shows the lowest chlorophyll-a levels (0.02–0.04 μgL–1), the deepest ...
Johanna Medellín-Mora, Rubén Escribano, Andrea Corredor-Acosta, Andrea Corredor-Acosta, Pamela Hidalgo, Wolfgang Schneider   +5 more
doaj   +1 more source

Case study on the mineralogical and petrophysical analysis of reinforced concrete slabs of a highway viaduct of the S.G.C. Orte-Ravenna

SN Applied Sciences, 2021
For the maintenance of the safety and security of people traveling on the road, renovation of the reinforced concrete is necessary, especially for bridge or viaduct slabs.
Elena Marrocchino, Chiara Telloli, Alessandra Aprile, Domenico Capuani, Davide Malaguti, Carmela Vaccaro   +5 more
doaj   +1 more source

Drag reduction effect by streamwise traveling wave-like wall-surface heating/cooling in a turbulent channel flow

Journal of Thermal Science and Technology
We conduct a direct numerical simulation of a turbulent channel flow controlled using the buoyancy force induced by streamwise traveling wave-like wall-surface heating/cooling under a constant pressure gradient condition.
Yusuke NABAE, Hiroya MAMORI, Koji FUKAGATA   +2 more
doaj   +1 more source

Early Miocene Exhumation of High-Pressure Rocks in the Himalaya: A Response to Reduced India-Asia Convergence Velocity

Frontiers in Earth Science, 2021
Low-viscosity channel flow, originating from a melt-weakened mid-crustal layer, is one of the most popular tectonic models to explain the exhumation of deep-seated rocks in the Greater Himalayan Sequence (GHS). The driving mechanism of such channel flow,
Giridas Maiti, Nibir Mandal
doaj   +1 more source

Measurement of the Indoor Air Temperature Distribution using Acoustic Travel-Time Tomography

, 2023
One of the main criteria determining the thermal comfort of occupants is the air temperature. To monitor this parameter, a thermostat is traditionally mounted in the indoor environment for instance in office rooms in the workplaces, or directly on the radiator or in another location in a room.
openaire   +1 more source