Results 71 to 80 of about 3,557,380 (389)

Thermodynamic consistency of autocatalytic cycles

Proceedings of the National Academy of Sciences
Autocatalysis is seen as a potential key player in the origin of life, and perhaps more generally in the emergence of Darwinian dynamics. Building on recent formalizations of this phenomenon, we tackle the computational challenge of exhaustively detecting minimal autocatalytic cycles (autocatalytic cores) in reaction networks and further evaluate the ...
Thomas Kosc, Denis Kuperberg, Etienne Rajon, Sylvain Charlat   +3 more
openaire   +3 more sources

Consolidate Overview of Ribonucleic Acid Molecular Dynamics: From Molecular Movements to Material Innovations

Advanced Engineering Materials, EarlyView.
Molecular dynamics simulations are advancing the study of ribonucleic acid (RNA) and RNA‐conjugated molecules. These developments include improvements in force fields, long‐timescale dynamics, and coarse‐grained models, addressing limitations and refining methods.
Kanchan Yadav, Iksoo Jang, Jong Bum Lee
wiley   +1 more source

THERMODYNAMICAL EFFICIENCY OF A DETONATION ENGINE

Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
An attempt has been made to analyze qualitatively and quantitatively the thermodynamic cycle of detonative combustion and to compare it with the Otto and Brayton cycles in order to establish the degree of its thermodynamic perfection. A comparison of the
Alhussan Khaled, M. S. Assad, O. G. Penyazkov, I. I. Chernuho   +3 more
doaj   +1 more source

Mechanical Behavior and Microstructural Changes Associated with Tensile Deformation above the Martensite Start Temperature during Quenching and Subsequent Partitioning of a Low‐Alloy 37SiB6 Steel

Advanced Engineering Materials, EarlyView.
A new experimental setup, incorporating digital image correlation and infrared thermography in combination with inductive‐conductive heating for precise temperature control, is used to analyze the mechanical behavior and microstructural changes of sheet metal under complex thermomechanical test conditions that represent quench and partitioning ...
Christian Illgen, Benjamin Bohne, Sven Winter, Marcus Böhme, Martin F.-X. Wagner   +4 more
wiley   +1 more source

Advancing Wildfire‐Retardant Materials: Engineering Strategies for Direct and Indirect Suppression

Advanced Engineering Materials, EarlyView.
Here, the evolution, ecological impact, and performance of current fire‐retardant materials and suppression strategies are reviewed, offering an engineering perspective to address existing challenges and propose pathways for the development of more effective, scalable, and sustainable solutions to meet the demands of a changing climate. Wildfires cause
Changxin Dong, Samya Sen, Athena Kolli, Stewart G. Wilson, Eric Andrew Appel   +4 more
wiley   +1 more source

Quantum, cyclic and particle-exchange heat engines

, 2004
Differences between the thermodynamic behavior of the three-level amplifier (a quantum heat engine based on a thermally pumped laser) and the classical Carnot cycle are usually attributed to the essentially quantum or discrete nature of the former.
Allahverdyan, Callen, Chua, Chua, Curzon, De Vos, De Vos, Feldmann, Geusic, Geva, Geva, Geva, Green, H. Linke, Hatsopoulos, Hoffmann, Humphrey, Humphrey, Humphrey, Landau, Leff, Lloyd, Miller, Nolas, Parrott, Ramsey, Ries, Scovil, Scully, Scully, Shockley, T.E. Humphrey, Würfel, Würfel   +33 more
core   +1 more source

CALPHAD‐Guided Prediction and Interpretation of Phase Formation in Ta–Mo–Cr–Ti–Al Refractory High‐Entropy Alloys

Advanced Engineering Materials, EarlyView.
This study designs Ta–Mo–Cr–Ti–Al refractory high‐entropy alloys with a disordered body‐centered‐cubic A2 crystal structure aiming for improved ductility, lower density, and oxidation resistance. Four alloy compositions are identified by thermodynamic calculations.
Kateryna Khanchych, Chongchong Tang, Carsten Schroer, Björn Schäfer, Judith Jung, Michael Dürrschnabel, Ute Jäntsch, Bronislava Gorr   +7 more
wiley   +1 more source

The effect of heat recovery on the optimal values of helicopter turboshaft engine parameters

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020
Recent studies related to fuel economy in air transport conducted in our country and abroad show that the use of recuperative heat exchangers in aviation gas turbine engines can significantly, by up to 20...30%, reduce fuel consumption.
H. H. Omar, V. S. Kuz'michev, A. O. Zagrebelnyi, V. A. Grigoriev   +3 more
doaj   +1 more source

Thermodynamic optimization of combined cycles [PDF]

International Journal of Energy Research, 2005
In the present lecture, thermodynamic analysis of cogeneration plants has been described in details by considering the economic parameters. The aim of the new methodology is the minimum availability loss and cost. An application of the method to a steam injected gas turbine plant is being presented as the case study.
S. U. Onbaşıoǧlu, A. Öztürk, A. Şenel   +2 more
openaire   +1 more source

What determines the distribution of shallow convective mass flux through cloud base?

, 2017
The distribution of cloud-base mass flux is studied using large-eddy simulations (LES) of two reference cases, one representing conditions over the tropical ocean, and another one representing mid-latitude conditions over land.
Hohenegger, Cathy, Sakradzija, Mirjana
core   +1 more source