Results 251 to 260 of about 60,807 (304)

Investigation of Vortex-Driven Mixing in Hydrogen-Ammonia Low Pressure Direct Injection. [PDF]

ACS Omega
Zhang A.
europepmc   +1 more source

Layered Double Hydroxide Nanocomposite Coatings for Improved Flame Retardancy of Polyethylene-Based Copolymers. [PDF]

Polymers (Basel)
Trapani G, Arrigo R, Sisani M, Bastianini M, Frache A.   +4 more
europepmc   +1 more source

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Ignition-delay times in laser initiated combustion

Applied Optics, 1981
A single pulse from a TEA CO(2) laser is used to heat 1:7:14 mixtures of SF(6):CH(4):O(2) to temperatures near 1000 K. A short- or long-duration pulse (one-half the energy deposited in 0.25 or 0.82 microsec, respectively) from a second TEA CO(2) laser is used to ignite the mixture. At comparable values of absorbed energy from the second laser, ignition-
Per Tunestal, Rolf Johansson, Lianhao Yin, Gabriel Ingesson   +3 more
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Ignition delay in diffusive supersonic combustion

3rd Propulsion Joint Specialist Conference, 1967
This paper deals with the study of the zone located near the injector exit of an idealized supersonic combustion burner using hydrogen as fuel. The ignition delay length is calculated considering a constant-pressure, free mixing layer, where fuel and oxidizer mix without appreciable concentration change or heat release resulting from chemical reactions,
I. DA-RIVA, J. L. URRUTIA
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Ignition Delay in Diesel Engines

SAE Technical Paper Series, 1967
<div class="htmlview paragraph">The ignition delay in diesel combustion has been studied in a turbulent chamber engine. The criteria used to define the end of this period are the pressure rise and illumination due to combustion. The pressure rise delay is generally shorter and more reproducible than the illumination delay.
N. A. Henein, Jay A. Bolt
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Low-Temperature Hypergolic Ignition of 1-Octene with Low Ignition Delay Time

The Journal of Physical Chemistry A, 2020
The attainment of the efficient ignition of traditional liquid hydrocarbons of scramjet combustors at low flight Mach numbers is a challenging task. In this study, a novel chemical strategy to improve the reliable ignition and efficient combustion of hydrocarbon fuels was proposed.
Haoqiang Sheng, Xiaobin Huang, Zhijia Chen, Zhengchuang Zhao, Hong Liu   +4 more
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Experimental Investigation on the Ignition Delay Time of Plasma-Assisted Ignition

International Journal of Turbo & Jet-Engines, 2016
AbstractThis paper investigates the ignition performances of plasma-assisted ignition in propane/air mixture. The results show that a shorter ignition delay time is obtained for the plasma ignition than the spark ignition and the average ignition delay time of plasma-assisted ignition can be reduced at least by 50%.
Yang Xiao, Jin-Lu Yu, Li-Ming He, Yong-Jian Jiang, Yong Wu   +4 more
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Ignition Delay in a Diesel Engine

2009
The ignition delay in a diesel engine is defined as the time interval between the start of injection and the start of combustion. This delay period consists of (a) physical delay, wherein atomisation, vaporization and mixing of air fuel occur and (b) of chemical delay attributed to pre-combustion reactions.
P. A. Lakshminarayanan, Yogesh V. Aghav
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Ignition Delay in Oil Burners

Transactions of the American Institute of Electrical Engineers, 1951
IMPROPER PERFORMANCE of gun-type oil burners operating with from 5 to 15 gallons of oil per hour led to an investigation that pointed to ignition delay as the cause of malfunctioning. The delay referred to is the time interval occurring between application of voltage to the ignition transformer primary and the initiation of the spark discharge in the ...
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