Results 21 to 30 of about 539,119 (298)

Development of an atmospheric chemistry model coupled to the PALM model system 6.0: implementation and first applications [PDF]

open access: yesGeoscientific Model Development, 2021
In this article we describe the implementation of an online-coupled gas-phase chemistry model in the turbulence-resolving PALM model system 6.0 (formerly an abbreviation for Parallelized Large-eddy Simulation Model and now an independent name).
B. Khan   +17 more
doaj   +1 more source

Simulation of Crevice and Pitting Corrosion Using the Orthogonal Collocation Method

open access: yesJournal of King Saud University: Engineering Sciences, 1996
Two dangerous forms of localized corrosion are pitting and crevice corrosion. In pitting corrosion, pits are formed as a result of differences in oxygen and ion concentration at the base of a pit compared with the surface.
A.M. Abu-Khalaf   +2 more
doaj   +1 more source

Effect of the C(3)-Substituent in Verdazyl Radicals on their Profluorescent Behavior

open access: yesCHIMIA, 2016
Methods for the detection of reactive intermediates such as transient radicals are important in organic chemistry, polymer chemistry, biology or medicine.
Steffen Eusterwiemann   +9 more
doaj   +1 more source

A Numerical Simulation of Radiation Chemistry for Controlling the Oxidising Environment in Water-Cooled Nuclear Power Reactors

open access: yesApplied Sciences, 2022
Maintaining the integrity of materials of light-water nuclear power reactors requires the development of effective methods to control and minimise the corrosive environment associated with the radiolysis of a coolant.
Dorota Swiatla-Wojcik
doaj   +1 more source

Application of a gaussian model to simulate contaminants dispersion in industrial accidents

open access: yesChemical Engineering Transactions, 2019
The increase of the industrial production and the development of new processes led to the necessity of better regulations of activities concerning potential risks for human health and environment.
Sabrina Copelli   +3 more
doaj   +1 more source

Shape optimization of a showerhead system for the control of growth uniformity in a MOCVD reactor using CFD-based evolutionary algorithms [PDF]

open access: yes, 2009
A steady state, laminar flow coupled with heat transfer, gas-phase and surface chemistry, is numerically solved for the optimal design of a showerhead gas delivery system in an axis-symmetrical MOCVD reactor.
Aloui, Lyacine   +5 more
core   +2 more sources

Temporal evolution of magnetic molecular shocks II. Analytics of the steady state and semi-analytical construction of intermediate ages

open access: yes, 2004
In the first paper of this series (Paper I) we computed time dependent simulations of multifluid shocks with chemistry and a transverse magnetic field frozen in the ions, using an adaptive moving grid.
Chièze   +13 more
core   +7 more sources

The Theoretical Description for Chlorantraniliprole Electrochemical Determination, Assisted by Squaraine Dye – Nano-CuS Composite

open access: yesOrbital: The Electronic Journal of Chemistry, 2021
The theoretical description for the chlorantraniliprole electrochemical determination, assisted by the hybrid composite of squaraine dye with CuS nanoparticles has been described.
Volodymyr V. Tkach   +21 more
doaj  

Steady-State Calibration of a Diesel Engine in CFD Using a GPU-Based Chemistry Solver

open access: yesVolume 2: Emissions Control Systems; Instrumentation, Controls, and Hybrids; Numerical Simulation; Engine Design and Mechanical Development, 2017
The prospect of analysis-driven pre-calibration of a modern diesel engine is extremely valuable in order to significantly reduce hardware investments and accelerate engine designs compliant with stricter EPA fuel economy regulations. Advanced modeling tools, such as CFD, are often used with the goal of streamlining significant portions of the ...
Jian Gao   +7 more
openaire   +4 more sources

Circular Stochastic Fluctuations in SIS Epidemics with Heterogeneous Contacts Among Sub-populations

open access: yes, 2011
The conceptual difference between equilibrium and non-equilibrium steady state (NESS) is well established in physics and chemistry. This distinction, however, is not widely appreciated in dynamical descriptions of biological populations in terms of ...
Alonso   +50 more
core   +1 more source

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