English
Related papers

Related papers: Numeric modeling of fire suppression by organophos…

200 papers

We use a high-statistic quantum Monte Carlo and Maximum Entropy regularization method to compute the dynamical energy correlation function (DECF) of the one-dimensional (1D) $S=1/2$ antiferromagnetic Heisenberg model at finite temperatures.…

Strongly Correlated Electrons · Physics 2009-10-31 Eduardo Gagliano , Fabian Lema , Silvia Bacci , Juan José Vicente , J. Lorenzana

Efficiency at maximum power (MP) output for an engine with a passive piston without mechanical controls between two reservoirs is theoretically studied. We enclose a hard core gas partitioned by a massive piston in a temperature-controlled…

Statistical Mechanics · Physics 2016-10-04 Tomohiko G. Sano , Hisao Hayakawa

The transition from a once-dense Martian atmosphere to the thin one observed today implies a substantial loss of carbon, either through atmospheric escape or surface deposition. Accurately modeling this carbon escape necessitates accounting…

Earth and Planetary Astrophysics · Physics 2025-10-01 Cheikh T. Bop , Marko Gacesa

Aspects of predictions of activation-energy asymptotics concerning the dependence of the burning velocity on the equivalence ratio are examined here through both asymptotic analyses and numerical computation. In typical hydrocarbon-air…

Fluid Dynamics · Physics 2024-06-28 Prabakaran Rajamanickam

Given the need to develop zero-carbon combustors for power and aircraft engine applications, $S_d$ of a turbulent premixed flame, especially for H$_2$-air, is of immediate interest. The present study investigates 3D DNS cases of premixed…

The first principle lattice QCD methods allow to calculate the thermodynamic observables at finite temperature and imaginary chemical potential. These can be compared to the predictions of various phenomenological models. We argue that…

High Energy Physics - Phenomenology · Physics 2017-11-01 Volodymyr Vovchenko , Attila Pasztor , Zoltan Fodor , Sandor D. Katz , Horst Stoecker

For the gradual introduction of hydrogen in the energy market, the study of the properties of mixtures of hydrogen with typical components of natural gas (NG) and liquefied petroleum gas (LPG) is of great importance. This work aims to…

We consider a gas of neutral fermionic atoms at ultra-low temperatures, with the attractive interaction tuned to Feshbach resonance. We calculate, the variation of the chemical potential and the energy per particle as a function of…

Other Condensed Matter · Physics 2009-11-11 R. K. Bhaduri , M. V. N. Murthy , M. K. Srivastava

We have calculated the electron impact partial and total ionization cross sections of important gaseous targets, such as Trifluoromethane (CHF$_3$), 1,1,1,2-Tetrafluoroethane $(\mathrm{C_2H_2F_4})$ or R134a, 1,1,1-Trifluoroethane…

Chemical Physics · Physics 2024-08-26 Suriyaprasanth S , Dhanoj Gupta

We calculate several thermodynamic quantities for repulsively interacting one-dimensional fermions.We solve the Hubbard model at both zero and finite temperatures using the Bethe-ansatz method. For arbitrary values of the chemical…

Quantum Gases · Physics 2015-05-20 Andrew Snyder , Iori Tanabe , Theja De Silva

Achieving precise control of ultracold atomic gases requires a detailed understanding of atom loss mechanisms. Motivated by the anomalous three-body decay in a three-component Fermi gas reported in Ref. [1], this work investigates…

Quantum Gases · Physics 2026-01-08 Kajsa-My Tempest , Chris H. Greene

Gaining insights into flame behaviour at small scales can lead to improvements in the efficiency of micro-reactors, compact power generation systems, fire safety technologies, and various other applications where combustion is confined to…

Fluid Dynamics · Physics 2026-02-24 M Ashwin Ganesh , Akhil Aravind , Balasundaram Mohan , Saptarshi Basu

The photon emission rates from the quark gluon plasma have been studied considering LPM suppression effects. The integral equation for the transverse vector function (f(p)) that consists of multiple scattering effects has been solved using…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. V. S. Sastry

The Hf-O system has been modeled by combining existing experimental data and first-principles calculations results through the CALPHAD approach. Special quasirandom structures of $\alpha$ and $\beta$ hafnium were generated to calculate the…

Materials Science · Physics 2007-09-03 Dongwon Shin , Raymundo Arróyave , Zi-Kui Liu

This study presents methane-air counterflow simulations, in computationally efficient similar form, allowing combustible mixtures to flow from one or both directions in order to learn more about multi-branched propagating flame structures…

Fluid Dynamics · Physics 2020-07-22 Claudia-F. López-Cámara , Albert Jordà Juanós , William A. Sirignano

We calculate the phase diagrams for a harmonically trapped ideal gas mixture of fermionic atoms and bosonic molecules in chemical and thermal equilibrium, where the internal energy of the molecules can be adjusted relative to that of the…

Statistical Mechanics · Physics 2009-11-10 J. E. Williams , N. Nygaard , C. W. Clark

To develop a quantitative reaction simulator, data assimilation was performed using high-resolution time-of-flight mass spectrometry (TOF-MS) data applied to GaN metalorganic vapor phase epitaxy system. Incorporating ab initio knowledge…

Materials Science · Physics 2022-10-24 Akira Kusaba , Shugo Nitta , Kenji Shiraishi , Tetsuji Kuboyama , Yoshihiro Kangawa

In recent work we presented an explicit and non-perturbative derivation of the classical radiation reaction force for a cut-off modelled by a special choice of tubes of finite radius around the charge trajectories. In this paper, we provide…

Computational Physics · Physics 2022-10-24 Christian Bild , Dirk - André Deckert , Hartmut Ruhl

Using a multiple-image reconstruction method applied to a harmonically trapped Bose gas, we determine the equation of state of uniform matter across the critical transition point, within the local density approximation. Our experimental…

Quantum Gases · Physics 2020-10-14 C. Mordini , D. Trypogeorgos , A. Farolfi , L. Wolswijk , S. Stringari , G. Lamporesi , G. Ferrari

Various flame tracking techniques are often used in hydrodynamic simulations. Their use is indispensable when resolving actual scale of the flame is impossible. We show that parameters defining "artificial flame" propagation found from…

Astrophysics · Physics 2007-05-23 Andrey V. Zhiglo