Results 31 to 40 of about 55,053 (305)
Energies, 2023 Unsymmetrical dimethylhydrazine (UDMH) is a common liquid propellant widely used in rocket engines and other applications. The safety of UDMH in service is affected by its slow oxidation during long-term storage to form impurities such as dimethylamine ...
Xinhui Wang +7 more
doaj +1 more source
Dynamic Regime of Ignition of Solid Propellant [PDF]
, 2002 This article presents a dynamic regime of exposure of the radiant flux on the sample of gun-cotton. Obtained time the ignition of gun-cotton in the heating conditions of increasing heat flux in the range from 0.2 W/cm{2} to 22 W/cm{2}.
Kuznetsov, Valeriy +2 more
core +2 more sources
Frontiers in Materials, 2023 Numerical model was built with fire dynamic simulator and theocratical simulation was carried out to investigate the suppression effect of water mist on ignition and combustion process of typical solid material polymethyl methacrylate under external ...
Lanming Zhao +7 more
doaj +1 more source
Frontiers in Energy Research, 2022 In this work, the laminar flame speeds of JP-10/air mixtures and ignition delay time of JP-10/O2/Ar mixtures have been studied over a wide range of experimental conditions using a premixed Bunsen flame and a shock tube.
Junsen Yang +6 more
doaj +1 more source
The mechanism of char ignition in fluidized bed combustors [PDF]
, 1987 Knowledge about ignition processes of coal in fluidized beds is of importance for the start-up and dynamic control of these combustors. Initial experiments in a transparent fluidized bed scale model showed the existence of a considerable induction period
Siemons, Roland V.
core +4 more sources
Ignition characteristics of nitromethane-doped ethanol in a heated shock tube
Energetic Materials Frontiers, 2021 Ignition delay times of nitromethane-doped ethanol dual fuels are measured under the micro-combustion engine conditions (8 × 105 Pa and 904–1477 K). The promotion effect of nitromethane on ethanol ignition is more pronounced at a fuel-lean condition;
Yan-lei Shang +7 more
doaj +1 more source
Conditions and Characteristics of Coal Water Slurry Containing Petrochemicals Ignition by Hot Particle [PDF]
, 2016 Characteristics of CWS containing petrochemicals ignition by single hot particle in disk shape established experimentally. The main components of fuel composition are coal 45 %, water 45 %, used engine oil 10 %.
Galchenko, Nina +3 more
core +1 more source
Energies, 2023 High-energy-density compounds such as norbornadiene (NBD) are being considered as potential cost-effective fuel additives, or partial replacements, for high-speed propulsion applications.
Matthew G. Sandberg +4 more
doaj +1 more source
A Comparison of Sensitivity Metrics for Two-Stage Ignition Behavior in Rapid Compression Machines [PDF]
, 2017 A rapid compression machine (RCM) multi-zone model is used to simulate the ignition of primary reference fuel (PRF) mixtures that exhibit two-stage ignition behavior.
Allen, Casey, Wilson, David
core +1 more source
Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?
Advanced Functional Materials, EarlyView.This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee +7 more
wiley +1 more source