Results 11 to 20 of about 1,107,923 (314)

Shaping array design of marine current energy converters through scaled experimental analysis [PDF]

open access: yes, 2013
Marine current energy converters or tidal turbines represent an emerging renewable energy technology that can provide a predictable supply of electricity.
Myers, L.E.   +3 more
core   +1 more source

Development of the all-vanadium redox flow battery for energy storage: a review of technological, financial and policy aspects [PDF]

open access: yes, 2011
The commercial development and current economic incentives associated with energy storage using redox flow batteries (RFBs) are summarised. The analysis is focused on the all-vanadium system, which is the most studied and widely commercialised RFB.
Shah, Akeel A.   +8 more
core   +1 more source

Porous fixed-bed photoreactor for boosting C–C coupling in photocatalytic CO2 reduction

open access: yeseScience, 2022
Solar-driven CO2 conversion to chemical fuels in an aqueous solution is restricted not only by photocatalysts but also by mass transfer. Here, a regulatable three-phase interface on a porous fixed-bed is constructed for efficient C–C coupling in ...
Shengjie Bai   +6 more
doaj   +1 more source

Evaporation and drying characteristics of the sessile ferrofluid droplet under a horizontal magnetic field

open access: yesFundamental Research, 2022
In this study, the evaporation characteristics and drying patterns of various sessile ferrofluid droplets on certain substrate under horizontal magnetic fields of controlled intensities are reported.
Zhaonan Liu   +5 more
doaj   +1 more source

Development of Next Generation Multiphase Pipe Flow Prediction Tools [PDF]

open access: yes, 2008
The developments of fields in deep waters (5000 ft and more) is a common occurrence. It is inevitable that production systems will operate under multiphase flow conditions (simultaneous flow of gas-oil-and water possibly along with sand, hydrates, and ...
Flow, Tulsa Fluid
core   +1 more source

On Navier slip and Reynolds transpiration numbers

open access: yesArchives of Mechanics, 2018
In this paper, based on the original argumentation of Reynolds and Maxwell, with consideration of previous experiences of the authors in the nano- and micro-flows area, a general form of boundary forces, that consist of contributions from the friction ...
P. Ziółkowski, J. Badur
doaj   +1 more source

A review of energy storage technologie sfor marine current energy systems [PDF]

open access: yes, 2013
Increasing concerns about the depletion of fossil resources and the issue of environment lead to a global need for producing more clean energy from renewable sources. Ocean is appreciated as a vast source of renewable energies.
CHARPENTIER, Jean-Frederic   +5 more
core   +1 more source

Energy Flow in Growth and Production [PDF]

open access: yesTrends in Ecology & Evolution, 2019
Growth involves two flows of energy: the chemical energy in the monomers used to construct the macromolecules that comprise tissue (proteins, nucleic acids, lipid membranes), and the metabolic energy used to build those macromolecules. The metabolic costs of synthesising the macromolecules necessary to build tissue are well defined, and we have a ...
openaire   +3 more sources

Electromagnetic-conductance measurement method for the flow rate and void fraction of gas-liquid two-phase flows

open access: yesMeasurement: Sensors, 2020
Gas-liquid two-phase flow systems are widely existed in many engineering systems and industrial processes, and measurement techniques for two-phase flows are crucial in a diverse range of engineering applications.
Fucheng Chang   +5 more
doaj   +1 more source

The effect of virtual mass on the characteristics and the numerical stability in two-phase flow [PDF]

open access: yes, 1981
It is known that the typical six equation two-fluid model of the two-phase flow possesses complex characteristics, exhibits unbounded instabilities in the short-wavelength limit and constitutes an ill-posed initial value problem. Among the suggestions to
Kazimi, Mujid S.   +3 more
core   +1 more source

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