Results 71 to 80 of about 18,737 (215)

Techno‐Economic‐Environmental Assessment of Pyrolysis‐Based Power Production From Methane

open access: yesAdvanced Energy and Sustainability Research, Volume 7, Issue 4, April 2026.
Methane pyrolysis enables low‐carbon power generation by converting natural gas into hydrogen and solid carbon without direct carbon dioxide formation. This study presents a comprehensive techno‐economic‐environmental assessment of an integrated pyrolysis‐based combined cycle (T‐cycle) and benchmarks its performance against a conventional natural gas ...
Muhammad Jalili Zarabadi, Siva Karuturi
wiley   +1 more source

In vitro study of flow characteristics in abdominal aortic aneurysm

open access: yesAIP Advances
Hemodynamic factors play a key role in the endovascular aneurysm repair of abdominal aortic aneurysm (AAA). This study conducts an in vitro experiment in which a circulating platform for the experiment and modeling of the pulsatility of blood flow in the
Wenbo He   +5 more
doaj   +1 more source

Nonlocal and rotational effects in quantum turbulence

open access: yesAtti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali, 2008
We discuss phenomenological equations for the evolution of vortex tangle in counterflow superfluid turbulence, which takes into account the influence of the non local effects, both in absence and in the presence of rotation.
Mongiovi', Maria Stella, Jou, David
doaj   +1 more source

Instability of vortex array and transitions to turbulent states in rotating helium II

open access: yes, 2003
We consider superfluid helium inside a container which rotates at constant angular velocity and investigate numerically the stability of the array of quantized vortices in the presence of an imposed axial counterflow.
A.L. Fetter   +39 more
core   +1 more source

Numerical Modeling and Performance Evaluation of a Three‐Stage Direct–Indirect–Direct Evaporative Cooler

open access: yesEngineering Reports, Volume 8, Issue 4, April 2026.
A three‐stage direct–indirect–direct evaporative cooling system is numerically modeled and evaluated under various climatic conditions. Results show significantly higher cooling effectiveness and temperature reduction compared to conventional single‐stage coolers, demonstrating the system's potential as a sustainable and energy‐efficient solution for ...
Md. Walyur Rahman   +4 more
wiley   +1 more source

Counter-Flow Cooling Tower Test Cell

open access: yesEPJ Web of Conferences, 2014
The article contains a design of a functional experimental model of a cross-flow mechanical draft cooling tower and the results and outcomes of measurements.
Dvořák Lukáš, Nožička Jiří
doaj   +1 more source

Techno‐Economic Evaluation of Islanded Electrolysis‐Based Ammonia Production: A Western Australia Case Study

open access: yesEnergy Technology, Volume 14, Issue 4, April 2026.
Green ammonia is a promising energy and hydrogen carrier and a potential building block in a future, sustainable energy and raw material system. Within this study, a techno‐economic evaluation of an islanded electrolysis‐based ammonia production for a Western Australian location is performed.
Michael Gallwitz   +7 more
wiley   +1 more source

ANALYSIS OF DIFFERENT FACTORS INFLUENCING ON THE PROCESSES OF COUNTERCURRENT RADIATION-CONVECTIVE HEAT EXCHANGE

open access: yesЛитьë и металлургия, 2005
In the article there is given the solving of task of counterflow radiative-convective heat exchange at heating of massive thermosensitive substances. Analysis of influence of different factors on heating conformities in counterflow is carried out.
V. I. Timoshpolskij   +2 more
doaj  

Spin turbulence with small spin magnitude in spin-1 spinor Bose-Einstein condensates

open access: yes, 2013
We theoretically and numerically study spin turbulence (ST) with small spin magnitude in spin-1 spinor Bose-Einstein condensates by using the spin-1 spinor Gross-Pitaevskii (GP)equations.
Fujimoto, Kazuya, Tsubota, Makota
core   +1 more source

Pressurized Solid Oxide Electrolysis—Operational Strategies

open access: yesFuel Cells, Volume 26, Issue 2, April 2026.
ABSTRACT Pressurized high‐temperature electrolysis is a promising pathway for high‐efficiency hydrogen production that enables direct compression and heat recovery opportunities not accessible to low‐temperature electrolysis. While laboratory testing is routinely conducted near atmospheric pressure, there is increasing interest in commercial deployment
Stephen Woodward   +2 more
wiley   +1 more source

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