Results 101 to 110 of about 3,557,380 (389)

On the theory of thermodynamic wave cycles [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1975
Cyclic thermodynamic processes governing the successive dissipation and formation of acoustic waves in perfect gases are studied under adiabatic flow conditions. The cyclic heat input into the fluid is due to the frictional conversion of the kinetic energy of the wave into heat.
openaire   +2 more sources

Thermodynamic analysis of the partially evaporating trilateral cycle [PDF]

open access: yes, 2013
The potential of Organic Rankine Cycles (ORC) to recover low grade waste heat is well known. The high heat recovery potential is partially attributed to a good match of the temperature profiles between working fluid and waste heat stream in the ...
De Paepe, Michel   +2 more
core   +1 more source

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

open access: yesAdvanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du   +4 more
wiley   +1 more source

Loose mechanochemical coupling of molecular motors

open access: yes, 2011
In living cells, molecular motors convert chemical energy into mechanical work. Its thermodynamic energy efficiency, i.e. the ratio of output mechanical work to input chemical energy, is usually high.
Howard J.   +4 more
core   +1 more source

Deciphering the Origin of Higher Shell Coordination on Single Iron Catalysts for Resilient Modulating Persulfate Oxidation Into Singlet Oxygen Pathway

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
This study reveals that higher shell S coordination can effectively modulate the spin state of FeN4 site via long‐range electronic interactions, giving rise to the oriented generation of singlet oxygen from peroxymonosulfate activation. Abstract Precise manipulation of coordination structure of single‐atom sites and establishment of schematic ...
Liang Zhang   +8 more
wiley   +1 more source

Supercritical CO2 Power Technology: Strengths but Challenges

open access: yesEnergies
In the late 1960s, a handful of inspired researchers predicted the great potential of supercritical CO2 (“sCO2”) cycles for the production of electricity and highlighted the prospects for dramatic reductions in component sizes and efficiency increases ...
Michel Molière   +3 more
doaj   +1 more source

Thermodynamic cycle optimization for pyroelectric energy conversion in the thin film regime

open access: yes, 2017
Pyroelectric energy conversion is both simulated and realized on thin film lead zirconate titanate capacitors. The thermodynamics of the energy conversion cycle were explored, and the performance of the Brayton cycle was compared with the conventional ...
B. Hanrahan   +3 more
semanticscholar   +1 more source

Chemically Processed Porous V2O5 Thin‐Film Cathodes for High‐Performance Thin‐film Zn‐Ion Batteries

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
This study presents a rapid, cost‐effective chemical method for fabricating porous vanadium oxide thin‐film cathodes, aimed at enhancing charge storage in Zinc‐ion thin‐film batteries. The approach promises high‐performance, safe, and affordable thin‐film batteries, with industrial viability through efficient processing of highly porous cathodes ...
Jingli Luo   +9 more
wiley   +1 more source

Thermodynamic and Exergoeconomic Analyses of a Novel Combined Cycle Comprised of Vapor-Compression Refrigeration and Organic Rankine Cycles

open access: yesSustainability, 2019
In this study, a cooling/power cogeneration cycle consisting of vapor-compression refrigeration and organic Rankine cycles is proposed and investigated.
Nima Javanshir   +2 more
semanticscholar   +1 more source

Quantum engine based on many-body localization [PDF]

open access: yes, 2019
Many-body-localized (MBL) systems do not thermalize under their intrinsic dynamics. The athermality of MBL, we propose, can be harnessed for thermodynamic tasks.
Gopalakrishnan, Sarang   +3 more
core  

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