Institute of Engineering Thermophysics

Phase-dependent high-temperature oxidation behavior of multiphase Ti2AlNb alloy

Environmental degradation of Ti 2 AlNb alloys is intrinsically coupled with their multiphase constitution, yet the local mechanisms by which individual phases mediate oxidation remain insufficiently resolved. Here, we reveal the phase-selective high-temperature oxidation behavior...

Rotational-Stiffness Sensitivity of a Low-Frequency Aeroelastic Branch in a Wingtip-Connected Modular UAV

This study examines how the rotational stiffness of two wingtip interfaces changes the low-frequency aeroelastic response of a free–free, three-module unmanned aerial vehicle. A finite-element model coupled with doublet-lattice aerodynamics is analyzed using the p–k method. The r...

Application and prospects of high-temperature heat pipe technology in concentrating solar thermal collector systems

Against the backdrop of global energy transition, concentrated solar thermal (CST) collector systems offer efficient conversion of solar energy into high-grade thermal energy, representing a critical pathway for renewable energy development. However, the synergistic enhancement o...

Thin liquid film boiling on micro-nano composite structures fabricated by laser direct writing and low-temperature sintering

Vapor chambers (VCs) achieve efficient directional heat transport and dissipation through the synergistic effect of liquid capillary and thin liquid film boiling. For the micro-nano composite wick structures of VC, the understanding of bubbles evolution, liquid-vapor interface os...

Coordinated operational optimization of a variable-speed pre-expander and bypass for compressed air energy storage

The discharge process of compressed air energy storage (CAES) is challenged by inlet throttling loss and off-design mismatch caused by continuously declining cavern pressure. To address this issue, a coordinated operational optimization integrating a variable-speed pre-expander w...

Influence of ammonia blending on soot formation and nanostructure in laminar n-decane diffusion flames

Ammonia blending with hydrocarbon fuels has drawn increasing attention as a strategy for reducing soot emissions and mitigate combustion related particulate pollution. In this study, the influence of ammonia addition on soot formation and structural evolution was investigated in...

Boosting water back-diffusion in dry-cathode AEMWE for high-current-density hydrogen production

Dry-cathode operation is considered an ideal operating mode for AEMWE. However, water management is challenging under such conditions. Previous numerical studies have primarily focused on both-fed configurations, while comprehensive multiphysics investigations of water transport...

Comprehensive exploration of the C3H8N radicals potential energy surface

C3 amines (C3H9N) are the simplest aliphatic amine subgroup encompassing primary, secondary, and tertiary isomers, playing a key role in understanding nitrogen migration during biomass thermal conversion. Despite extensive computational studies on the H abstraction rates of C3 am...

Engineering Hidden Ferroelectric‐Like Distortion for Ultralow Thermal Conductivity in Polar van der Waals Tetradymite

ABSTRACT Ferroelectric‐like polar structures enable diverse functionalities through coupling with charge and phonon transport. Although effective in modulating thermal conductivity, the rational design of novel polar materials with intrinsically low thermal conductivity via ferro...

Responsive Membrane Antenna Enables Adaptive Biohybrid Interface for Photosynthesis Promotion, Stress Reporting and Modulation

ABSTRACT Biohybrids promise to endow photosynthetic organisms with new or enhanced functions, yet most operate monofunctionally, targeting either photosynthesis enhancement or stress tolerance, and cannot report environmental changes. Here, we develop an environmentally responsiv...