Results 81 to 90 of about 2,872,752 (258)
ChemPhotoChem, EarlyView.The photophysical, electroluminescence, and amplified spontaneous emission properties of two solution‐processable fluorescent diketopyrrolopyrrole derivatives are examined in details. The results demonstrate that this type of organic near‐infrared light‐emitting materials are extremely promising for organic light‐emitting diodes and organic ...
Anthony D’ Aléo +10 more
wiley +1 more source
Minimal universal quantum heat machine
, 2013 In traditional thermodynamics the Carnot cycle yields the ideal performance bound of heat engines and refrigerators. We propose and analyze a minimal model of a heat machine that can play a similar role in quantum regimes. The minimal model consists of a
Alicki, Robert +2 more
core +1 more source
ChemSusChem, EarlyView.In this study, tartaric acid diamides are explored for thermal energy storage with melting temperatures ranging from 130 to 190 °C and melting enthalpies reaching 173 J g−1. With the aid of differential scanning calorimetry, thermogravimetric analysis, and variable‐temperature infrared spectroscopy, various perspectives and limitations of designing ...
Magdalena Gwóźdź +4 more
wiley +1 more source
Exploring Low‐Global Warming Potential Refrigerants for Medium‐Charge Systems
Energy Technology, EarlyView.This study evaluates 15 low‐global warming potential (GWP) refrigerants as alternatives for medium‐charge systems, focusing on environmental impacts, operational performance, and system design integration. Key findings reveal R‐447A's suitability for standard climates and R‐454B's advantages in high ambient conditions, providing actionable guidance for
Fadi Alsouda +3 more
wiley +1 more source
Correlation-boosted quantum engine: A proof-of-principle demonstration
Physical Review Research, 2023 Employing currently available quantum technology, we design and implement a nonclassically correlated SWAP heat engine that allows to achieve an efficiency above the standard Carnot limit.
Marcela Herrera +3 more
doaj +1 more source
Work extremum principle: Structure and function of quantum heat engines
, 2007 We consider a class of quantum heat engines consisting of two subsystems interacting via a unitary transformation and coupled to two separate baths at different temperatures $T_h > T_c$. The purpose of the engine is to extract work due to the temperature
A. W. Marshall +13 more
core +1 more source
A Systematic Literature Review: An Input‐Transformation‐Output Model for Coal‐Fired Plant Operations
Energy Science &Engineering, EarlyView.ABSTRACT Purpose This study identifies and organizes improvement strategies that enable flexible operations in coal‐fired power plants through the lens of an input‐transformation‐output (ITO) model. Design/Methodology/Approach A rigorous systematic literature review (SLR) process, consisting of ten steps in three stages, was used to extract and ...
Meelan Roopa +2 more
wiley +1 more source
New Supercritical Parameter Coal-Fired Power Generation System Structure Design Technology
发电技术, 2019 According to the basic principle of the irreversible thermodynamic cycle value, the irreversible process of the thermodynamic cycle system was analyzed.
Jinfu YANG +4 more
doaj +1 more source
, 2010 We study a refrigerator model which consists of two $n$-level systems interacting via a pulsed external field. Each system couples to its own thermal bath at temperatures $T_h$ and $T_c$, respectively ($\theta\equiv T_c ...
A. W. Marshall +11 more
core +1 more source
Mass Spectrometry Reviews, EarlyView.ABSTRACT Complex organic mixtures are found in many areas of research, such as energy, environment, health, planetology, and cultural heritage, to name but a few. However, due to their complex chemical composition, which holds an extensive potential of information at the molecular level, their molecular characterization is challenging.
Charlotte Mase +5 more
wiley +1 more source