Results 21 to 30 of about 979 (264)
Experimental Insights into Thermodiffusive Instabilities in Lean Hydrogen Combustion
EngineeringAs a carbon-free carrier for renewable energies, hydrogen has the potential to contribute to the success of the energy transition. In addition to electrochemical applications, thermochemical applications will continue to play an important role in high ...
Tao Li, Benjamin Böhm, Andreas Dreizler
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Electrically Driven Supersonic Combustion
Energies, 2018 This manuscript reviews published works related to plasma assistance in supersonic combustion; focusing on mixing enhancement, ignition and flameholding. A special attention is paid for studies, which the author participated in person.
Sergey B. Leonov
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Combined Optic-Acoustic Monitoring of Combustion in a Gas Turbine
International Journal of Turbomachinery, Propulsion and Power, 2020 The need for better combustion monitoring in gas turbines has become more acute with the latest technical requirements, standards, and policies in terms of safety, environment, efficiency, operation flexibility, and operation costs.
Fabrice Giuliani +4 more
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Regarding the evaluation of the solid rocket propellant response function to pressure coupling [PDF]
INCAS Bulletin, 2011 High frequency combustion instabilities imply a major risk for the solid rocket motor stableworking and they are directly linked to the propellant response to chamber pressure coupling.
Ioan ION, Titica VASILE, Doru SAFTA
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Forcing Pulsations by Means of a Siren for Gas Turbine Applications
International Journal of Turbomachinery, Propulsion and Power, 2020 A siren is a robust fast-valve that generates effective flow pulsations and powerful noise levels under well-controlled conditions. It operates under the inlet flow conditions of a gas turbine combustor.
Fabrice Giuliani +3 more
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Thermokinetic Instabilities for Ammonia-hydrogen Mixtures in a Jet Stirred Flow Reactor
Chemical Engineering Transactions, 2021 The oxidation of ammonia and the interaction between ammonia and hydrogen chemistry have been extensively studied at high temperatures for traditional fames, while no experimental evidences have been provided for conditions relevant to MILD (Moderate or ...
Maria Virginia Manna +3 more
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A Review on Combustion Instability of Hydrogen-Enriched Marine Gas Turbines
Journal of Marine Science and EngineeringHydrogen is widely regarded as a promising carbon-free alternative fuel. However, the development of low-emission marine gas turbine combustion systems has been hindered by the associated risks of combustion instability, also termed as thermoacoustic ...
Jiaying Cheng +4 more
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Aerospace, 2021 In the present work, 3D Unsteady Reynolds-Averaged Navier-Stokes (URANS) simulations are performed to investigate the generation and mitigation mechanism of combustion-sustained thermoacoustic instabilities in a modelled swirl combustor.
Yuze Sun, Dan Zhao, Xiaowei Zhu
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Combustion instability mitigation by magnetic fields [PDF]
Physical Review E, 2017 The present interdisciplinary study combines electromagnetics and combustion to unveil an original and basic experiment displaying a spontaneous flame instability that is mitigated as the non-premixed sooting flame experiences a magnetic perturbation.
Jocher, Agnes +4 more
openaire +3 more sources
Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights
Advanced Functional Materials, EarlyView.This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He +5 more
wiley +1 more source