Results 151 to 160 of about 14,718 (261)

CFD‐Based and Control‐Oriented Modeling of a Counterflow Heat Exchanger With Utilization of Parameter Identification

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT Counterflow heat exchangers (CHXs) thermally couple consumers and producers to a district heating network (DHN). Fluctuating loads and control actions naturally lead to unsteady operation conditions of the network and its components, posing a challenge for DHN models and CHX parameterizations based on Nusselt correlations that assume steady ...
Marten Klein   +5 more
wiley   +1 more source

Stereoscopic Serpentine Channel‐Based Cold Plate Design for Enhanced Liquid Cooling of EV Batteries

open access: yesBattery Energy, Volume 5, Issue 3, May 2026.
The Graphical Abstract shows a 16‐cell battery pack used in the numerical study, along with temperature contours on the surface of coolant flow channels and a transient average surface temperature plot. A serpentine base plate and a stereoscopic serpentine cold plate are investigated, and the results are compared.
Anoop Kanjirakat   +3 more
wiley   +1 more source

Thermally Programmable Two‐Port Non‐Hermitian Acoustic Metastructure for Broadband and Direction‐Dependent Absorption

open access: yesAdvanced Science, Volume 13, Issue 19, 2 April 2026.
A thermally programmable two‐port non‐Hermitian acoustic metastructure is presented, where temperature acts as a non‐geometric tuning variable. Thermal modulation reconfigures impedance matching and loss‐leakage coupling, enabling exceptional‐point driven, broadband, and direction‐dependent sound absorption without requiring geometric reconfiguration ...
Zichao Guo   +6 more
wiley   +1 more source

Large‐Scale Hydrogen Storage: Surface and Subsurface Challenges

open access: yesChemBioEng Reviews, Volume 13, Issue 2, April 2026.
This review examines underground hydrogen storage with emphasis on the interaction between surface facilities and subsurface reservoirs. Variable renewable hydrogen requires compression, buffering, and purification before injection, while subsurface processes influence wellhead pressure, temperature, and composition.
Mostafa Montazeri   +3 more
wiley   +1 more source

Vertical chiral emission from an intrinsically achiral metasurface enabled with anisotropic continuum. [PDF]

open access: yesNat Commun
Sun Y   +9 more
europepmc   +1 more source

Theoretical Model of Transient Regression of Thermoplastic Materials During Flame Spread: Vaporization; Permanent Mass Loss; Surface Shape

open access: yesFire and Materials, Volume 50, Issue 3, Page 227-240, April 2026.
ABSTRACT This article examines a transient, one‐dimensional model of surface regression during opposed flow flame spread over finite thickness, non‐charring thermoplastics. Gas to solid conductive transfer from the flame drives sample heating. The solid degrades into volatile fuel molecules in two stages: (1) the pre‐vaporization heat‐up stage and (2 ...
Indrek S. Wichman   +4 more
wiley   +1 more source

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