Results 51 to 60 of about 3,707 (264)
EnergiesPressure and flame surface oscillations are common in supersonic combustion instability. Understanding the characteristics, generation, maintenance, and interaction mechanisms of these oscillations is crucial. An experimental setup with an alcohol heater
Wenhao Liao, Yidan Chen, Ningfei Wang
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Numerical simulation of ethylene combustion in supersonic air flow [PDF]
Компьютерные исследования и моделирование, 2017 In the present paper, we discuss the possibility of a simplified three-dimensional unsteady simulation of plasma-assisted combustion of gaseous fuel in a supersonic airflow. Simulation was performed by using FlowVision CFD software.
Alexandr A. Firsov +3 more
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High Free‐Volume Imidazole‐Based Ionomers for High‐Temperature Proton Exchange Membrane Fuel Cells
Advanced Science, EarlyView.High free‐volume imidazole‐based ionomers (PF4IM‐72) enable enhanced phosphoric acid uptake and efficient proton transport, delivering peak power densities of 0.645 W cm−2 at 160 °C and 0.838 W cm−2 at 200 °C in HT‐PEMFCs. This work highlights a promising platform for next‐generation ionomers with improved high‐temperature performance and stability ...
Ge Chao +7 more
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Experimental Investigation on Performance of an Arc Transverse Injection in a Supersonic Combustor Flow [PDF]
Journal of Applied Fluid MechanicsThe design of a supersonic combustor ramjet engine has gained significant attention for futuristic air-breathing engines. Achieving efficient fuel mixing and complete combustion within a short period poses a substantial challenge. This study has directed
B. Kathiravan +2 more
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A Review of Failure Modes and Safety Strategies of Lithium‐Ion Batteries from Materials to Systems
Advanced Science, EarlyView.A cascade‐aware framework is presented for lithium‐ion battery safety, linking thermal runaway initiation, acceleration, runaway reaction, and propagation with material‐, cell/pack‐, and system‐level interventions. By integrating failure mechanisms, quantitative safety indicators, and staged interception strategies, this review highlights how safer ...
Jin Hyeok Yang +8 more
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, 2002 Supersonic H-2/air combustion experiments of a fixed entry Mach number 2.5 were conducted using eight different model combustors, at various stagnation conditions and global equivalence ratios.
Han B +6 more
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Optimizing Stratification in Binary Colloidal Supraparticles
Advanced Science, EarlyView.Supraparticles from binary particle populations show stratification when dried at high Péclet numbers. In spray‐dried systems at high initial particle concentration and fast drying conditions optimal combinations of particle size ratios and volume fractions that produce maximal stratification are found both in experiment and simulation, contrasting the
Frederic Rudlof +5 more
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On the application of tabulated dynamic adaptive chemistry in ethylene-fueled supersonic combustion
, 2018 The demands for extending the limiting operation conditions and enhancing the combustion efficiency of scramjets raise new challenges to the research of reliable robust and controllable flame stabilization in supersonic flows. In the present study, Large
Contino F, 吴坤, 姚卫, 范学军
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Advances in Femtosecond Coherent Anti-Stokes Raman Scattering for Thermometry
PhotonicsThe combustion process is complex and harsh, and the supersonic combustion flow field is also characterized by short duration and supersonic speed, which makes the real-time diagnostic technology for the transient environment extremely demanding.
Kaiyuan Song +12 more
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Case Studies in Thermal Engineering, 2023 Supersonic combustion is a complex phenomenon with multi-physical coupling, and the thermal-acoustic coupling under supersonic inflow is also a matter of concern.
Mengcheng Yuan +3 more
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