Esta é a nossa mais recente seleção de publicações e patentes mundiais em inglês sobre Termodinâmica, provenientes de diversas revistas científicas online, classificadas e focadas em termodinâmica, transferência de calor, entropia, entalpia, calor específico, energia livre de Gibbs, energia adiabática, energia de Carnot e energia interna.
Design and optimization of an active and passive mode indirect solar dryer to improve energy efficiency and sustainability
Published on 2026-06-05 by @OXFORD
Abstract: AbstractThis paper compares the behavior of active (forced convection) and passive (natural convection) indirect solar dryers when it comes to drying green chilies, in terms of thermal behavior, drying kinetics and retentiveness of products. Similar climatic conditions were done so as to compare the rate of moisture removal, thermal efficiency as well as specific moisture extraction rate (SMER). The active dryer reached a high temperature in the drying chamber of 65°C and decreased moisture con[...]
Our summary: This study compares active and passive indirect solar dryers for drying green chilies. The active dryer achieved a higher thermal efficiency and faster moisture removal compared to the passive dryer. Results indicate that the active system is more suitable for decentralized agricultural processing using solar energy.
solar dryer, energy efficiency, drying kinetics, thermal behavior
Publication
Optimizing QUBO on a quantum computer by mimicking imaginary time evolution
Published on 2026-06-05 by Yahui Chai and Alice Di Tucci @IOP SCIENCE
Abstract: We propose a hybrid quantum–classical algorithm for solving quadratic unconstrained binary optimization (QUBO) problems using an imaginary time evolution-mimicking circuit (ITEMC). The circuit parameters are optimized to mimic short-time ITE, using only single- and two-qubit expectation values. This significantly reduces the measurement overhead by avoiding full energy evaluation. By updating the initial state based on results from last step iteratively, the algorithm quickly converges to the [...]
Our summary: This work presents a hybrid quantum-classical algorithm for optimizing QUBO problems using an imaginary time evolution-mimicking circuit. The algorithm reduces measurement overhead and improves convergence through iterative state updates and optimized quantum gate ordering. Experimental results on IBM s quantum devices show compatibility with solutions from simulated annealing.
QUBO, quantum computing, imaginary time evolution, hybrid algorithm
Publication
Solid fuel thermo-fireplace with automated control system
Patent published on the 2026-05-31 in MD under Ref MD1947Y by REUTCHI GRIGORI [MD] (ReuŢchi Grigori [md])
Abstract: The invention relates to solid fuel heating installations, in particular to a thermo-fireplace intended for the production of heat for house heating with automated control system.The thermo-fireplace, according to the invention, comprises a metal housing, wherein, in the lower part is placed a firebox and in the upper part - a heat exchanger with gas pipes, mounted obliquely to the vertical axis. The side, rear and bottom walls of the housing, at the level of the firebox, are made doubled, which[...]
Our summary: The invention is a solid fuel thermo-fireplace designed for house heating with an automated control system. It features a metal housing with a firebox and an oblique heat exchanger, creating a water jacket for efficient heat transfer. The system includes sensors and valves for monitoring and controlling combustion and heat output.
thermo-fireplace, automated control system, heat exchanger, solid fuel
Patent
Quantum Zeno effect versus adiabatic quantum computing and quantum annealing
Published on 2026-05-29 by Naser Ahmadiniaz, Dennis Kraft, Gernot Schaller and Ralf Schtzhold @IOP SCIENCE
Abstract: For the adiabatic version of Grover’s quantum search algorithm as proposed by Roland and Cerf, we study the impact of decoherence caused by a rather general coupling to some environment. For quite generic conditions, we find that the quantum Zeno effect poses strong limitations on the performance (quantum speed-up) since the environment effectively measures the state of the system permanently and thereby inhibits or slows down quantum transitions. Generalizing our results, we find that similar[...]
Our summary: The quantum Zeno effect limits the performance of adiabatic quantum algorithms due to continuous measurement by the environment. This effect inhibits quantum transitions, impacting speed-up in algorithms like Grover s. Gradual state changes or error-correcting methods may mitigate these limitations.
Quantum Zeno effect, adiabatic quantum computing, quantum annealing, decoherence
Publication
Adiabatic pumping of topological corner states by coherent tunneling in a 2D SSH model
Published on 2026-05-28 by Yang Peng, Rui-Shan Li, Yan-Jue Lv and Yi Zheng @IOP SCIENCE
Abstract: The active manipulation of topologically protected states represents a pivotal frontier for quantum physics, offering a unique confluence of topological robustness and precise quantum control. We propose an adiabatic pumping scheme for the long-range transfer of topological corner states in a two-dimensional Su–Schrieffer–Heeger model. The protocol utilizes a modular lattice architecture composed of four topologically distinct subblocks, enabling the modulation of a topological dark state by[...]
Our summary: The study proposes an adiabatic pumping scheme for transferring topological corner states in a 2D SSH model. It utilizes a modular lattice architecture to modulate a topological dark state through precise tuning. The protocol shows improved fidelity and efficiency compared to conventional pumping methods, enhancing quantum control capabilities.
topological states, adiabatic pumping, coherent tunneling, SSH model
Publication
Membrane utilizing a tiling and method of making same
Patent published on the 2026-05-28 in WO under Ref WO2026112115 by PLAWSKY JOEL L [US] (Plawsky Joel L [us])
Abstract: A membrane design utilizing a tiling. In some embodiments, the tiling design is employed in transport processes including filtration and particle capture, static mixing, catalyst support, and heat transfer. Membrane design includes selecting walls from each tile in the tiling to be removed.[...]
Our summary: The content describes a membrane design that incorporates a tiling method. This design is applicable in various transport processes such as filtration and heat transfer. It includes the selective removal of walls from tiles in the tiling structure.
membrane, tiling, filtration, heat transfer
Patent
Ambient and low temperature interconnect
Patent published on the 2026-05-28 in WO under Ref WO2026112122 by SAMTEC INC [US] (Josephson Andrew [us], Ram Aaron [us], Moss James A [us], Holland Troy B [us], Dabrowski Shane [us])
Abstract: An ambient and low-temperature, cryogenic interconnect and cable assembly can be made from materials that do not create unwanted parasitic heat transfer, particularly at transition temperatures at or around twenty degrees Kelvin. Because these materials are not generally solderable, ways of attaching electrically conductive wires or cable conductors to electrical conductors is also disclosed herein. In some embodiments, a cryogenic interconnect may include a housing, and at least one or more sup[...]
Our summary: The content discusses a cryogenic interconnect designed to minimize unwanted heat transfer at low temperatures. It highlights the use of non-solderable materials for electrical connections. Additionally, it mentions the inclusion of superconducting capable conductors in the assembly.
Cryogenic interconnect, Low temperature, Parasitic heat transfer, Superconducting conductors
Patent
A cryogenic heat transfer fluid comprising cis-1 -chloro-3,3,3-trifluoropropene
Patent published on the 2026-05-28 in WO under Ref WO2026111880 by ILLINOIS TOOL WORKS INC [US] (Blair Paul M [us], Ye Zhihong [us], Dressel Alexander A [us])
Abstract: The present disclosure relates generally to azeotropic and non-azeotropic hydrofluoro olefin formulations, particularly formulations including cis-1-Chloro-3,3,3-trifluoropropene, also known as HFO-1233zd(Z), for cryogenic heat transfer.[...]
Our summary: The document discusses a cryogenic heat transfer fluid containing cis-1-chloro-3,3,3-trifluoropropene. It focuses on azeotropic and non-azeotropic hydrofluoro olefin formulations. The formulation is specifically designed for efficient cryogenic heat transfer applications.
cryogenic, heat transfer, fluid, HFO-1233zd(Z)
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