Results 21 to 30 of about 92,917 (265)

Theoretical and Experimental Research on Gun Propellant Burning [PDF]

open access: yesProblemy Mechatroniki, 2022
The paper presents a method to determine the burning rate law and the progressivity coefficient of the fine-grained propellants shape. To achieve the objective of this paper, a series of tests were performed in a closed vessel.
Gabriel F. NOJA   +5 more
doaj   +1 more source

Ignition Delay and Burning Rate Analysis of Diesel–Carbon Nanotube Blends Stabilized by a Surfactant: A Droplet-Scale Study

open access: yesEnergies, 2023
In this study, the effects of pristine carbon nanotubes (CNTs), sodium dodecylbenzene sulfonate (SDBS), and diesel blends on the ignition delay and burning rate are examined experimentally. For this purpose, single-droplet combustion tests were conducted
Anderson Gallego   +4 more
doaj   +1 more source

Specificity of Burning of Porous Combustible Material Used as Cartridge Case

open access: yesEnergies, 2022
The combustible cartridge case has become an integral part of many modern weapons systems. The energetic and burning characteristics of the combustible case can have a significant impact on shot parameters. This paper describes Closed Vessel Tests (CVTs)
Zbigniew Surma   +2 more
doaj   +1 more source

The rate of burning of colloidal propellants [PDF]

open access: yesProceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1932
Abstract Two papers have recently appeared in which a theoretical law is derived for the burning of colloidal propellants, and in each case the theory is supported by experimental results. Yamaga proves that the rate of burning along the normal is proportional to the pressure of the surrounding gases, ’whereas Crow and Grimshaw prove ...
F. R. W. Hunt, G. H. Hinds
openaire   +1 more source

Investigation of the rocket motor dimensionless geometric parameters influence on the burning rate of double base propellant

open access: yesVojnotehnički Glasnik, 2001
The investigation included experimental and theoretical studies of internal ballistic characteristics with a particular attention to erosive rate burning in function of propellant-motor system geometric parameters.
Lajoš Tot , Panto Maslak
doaj   +1 more source

Study on the Combustion Characteristics of Ethanol Nanofuel

open access: yesAerospace, 2023
This study investigates the thermophysical and combustion characteristics of ethanol-based nanofuels incorporating aluminum (Al) and nickel-coated aluminum (Ni-Al). The nanofuels are prepared with varying concentrations of Al and Ni-Al nanoparticles. The
Kwanyoung Noh   +3 more
doaj   +1 more source

Effect of Semi-Transverse Ventilation Velocity on Combustion Characteristics of Pool Fire Sources in a Scaled Tunnel

open access: yesFire
Compared to longitudinal ventilation, there are few studies on fire source development under semi-transverse ventilation. This work studied the influence of semi-transverse ventilation on the combustion characteristics of fire sources in a scaled tunnel.
Liyue Gong   +6 more
doaj   +1 more source

Cast composite solid propellants with different combustion stabilizers [PDF]

open access: yesScientific Technical Review, 2015
The effect of four different compounds as the combustion stabilizers of composite solid propellants based on the AP/HTPB/IPDI has been presented in this paper.
Rodić Vesna   +3 more
doaj  

Numerical Investigation on the Effect of Ammonium Perchlorate Content and Position on the Combustion Characteristics of an Ammonium Perchlorate/Hydroxyl-Terminated Polybutadiene Propellant

open access: yesAerospace, 2023
A gas–solid-coupled sandwich combustion model was established for ammonium perchlorate (AP)/hydroxyl-terminated polybutadiene (HTPB) composite propellant.
Di Sun   +4 more
doaj   +1 more source

SPG4 and Dementia: Expanding the Clinical Spectrum

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Hereditary spastic paraplegia (HSP) is a group of disorders characterized by progressive spasticity and lower limb weakness, with mutations in SPG4/SPAST being the most common cause. Detailed studies and clinical and molecular comparisons across different populations are missing.
Emanuele Panza   +19 more
wiley   +1 more source

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