2 edition of investigation of the effectiveness of ignition sparks found in the catalog.
investigation of the effectiveness of ignition sparks
Melville Fuller Peters
Written in English
|Other titles||Ignition sparks.|
|Statement||by Melville F. Peters ...|
|Contributions||Summerville, Wayne Leslie, 1908- joint author., Davis, Merlin, joint author.|
|LC Classifications||TJ787 .P4 1931|
|The Physical Object|
|Pagination||13 p., 1 l.|
|Number of Pages||13|
|LC Control Number||32004130|
Investigation finds engine automatic ignition system worked as designed, highlights appropriate use of selecting manual ignition A turboprop airliner’s automatic ignition systems performed as designed, successfully relighting the aircraft’s engines after they separately flamed out in heavy rainfall when the aircraft was on descent to land. Spark: The Revolutionary New Science of Exercise and the Brain by John J. Ratey takes a fascinating look at the relationship between exercise and brain function. Citing numerous scientific studies as well as various anecdotal stories, Ratey looks at the benefits of exercise relative to learning, stress, anxiety, depression, attention deficit /5(K).
The charging time and the electrode gap distance are very important ignition parameters for the spark ignition process. The effects of these two parameters on the spark characteristics and the flame propagation of premixed methane–air mixtures were investigated experimentally at a constant pressure and a constant temperature by using a constant-volume bomb and a high-speed schlieren system. just two sparks for each cylinder firing, regardless of engine speed. Now let us have a look at some of the details of the new design. Fig.1 (a) shows the schematic diagram of the conventional Kettering ignition system which has been used on cars for over 60 years. It comprises an ignition coil which has its primary winding.
Grain dust ignition by frictional sparks: A preliminary investigation: final report (Fire and explosion research report) [Allen, J] on *FREE* shipping on qualifying offers. Grain dust ignition by frictional sparks: A preliminary investigation: final report (Fire and explosion research report)Author: J Allen. In this investigation, several methods were used to measure the effects on flame development for different spark ignition circuits in quiescent and turbulent premixed gaseous mixtures. Sparks from a standard ignition circuit, typical of automotive use, were compared with sparks from a breakdown ignition circuit and from a plasma jet ignition.
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The effectiveness of ignition sparks was determined by measuring the volume (or mass) of hydrogen and of oxygen which combines at low pressures. The sparks were generated by a magneto and an ignition spark coil. Investigation of Ignition by Low Energy Capacitance Sparks.
This book provides a detailed and rigorous treatment of the coupling of chemical reactions and fluid flow. Investigation of the. An analysis of earlier works on investigations into ignition capability of sparks obtained from collisions and/or friction was published in.
Now we will consider more modern studies. An experimental investigation of the ignition capabilities of mechanical sparks was performed.
It was found that the mechanical sparks in 30–50% of accidents Cited by: 1. In order to clarify the mechanism of the ignition process of flowing gases by composite sparks and to pursue important factors influencing the process, the effects of the behavior of spark discharge path, spark duration, electrode size, discharge type and multiple spark on the minimum ignition energy were investigated by using a long-duration spark generator which can independently vary the spark Cited by: Under high turbulence intensity conditions, the flame kernel development and the effects of turbulence intensity and energy distribution of the composite spark on the minimum ignition energy have been by: 9.
Investigation on ignition ability of composite sparks in flowing mixtures. In order to clarify the mechanism of the ignition process of flowing gases by composite sparks and to pursue important factors influencing the process, the effects of the behavior of spark discharge path, spark duration, electrode size, discharge type and multiple spark on the minimum ignition energy were investigated by using a long-duration spark generator which can independently vary the spark.
Investigation of the effect of electrode geometry on spark ignition Article in Combustion and Flame (2) August with 89 Reads How we measure 'reads'. Spark Ignition of Underhood Fluids During investigations of automobile collisions involving fire, some cases were observed in which the sources of ignition were quite subtle.
In one, the only liquid fuel available was coolant and the only ignition source near the observed burn damage was the internal sparking of a cooling fan motor.
Ignition continuity is the thermal feedback from the fire to the fuel. Heat is transferred by conduction, convection, radiation, and direct flame contact.
Conduction is the transfer of heat by direct contact through a solid body. For example, on a hot stove, heat is conducted through the pot to its contents. This book is opinionated.
I have not hesitated to give my own opin ion of a program, or of the intelligence —or lack of it —of the pro posals made by various individuals.
I make no apology for this, and can assure the reader that such criticism was not made with the ad vantage of hindsight. At one point, in writing this book, when. The ignition energy and the number of sparks leading to successful ignition were recorded.
By varying the fuel components, the synthesis gases altered from medium to lower heat value fuels. The ignition time, ignition limit, and subsequent flame developments with variations of air mass flow rates and fuel components were systematically.
ignition is effected by an electric spark or arc or by a heated surface. Part a includes references to work on measuring spark energy. Part b covers both fundamental investigations of ignition by heated surfaces and ignition by hot spots in internal-combustion engines.
Although ignition is an essential stage in the combustion process. The ignition of gases includes ignition by electric sparks and arcs and by hot surfaces. The references on ignition apparatus are for the most part on ignition systems and components for internal-combustion engines, with spark plugs listed separately from other components.
Investigation of ignition by composite sparks under high turbulence intensity conditions Author links open overlay panel K. Ishii O. Aoki Y. Ujiie * M. Kono Show more. The Ignition Handbook treats in detail not just ignition of fires but also initiation of explosives and pyrotechnics and explosions of unstable substances.
Ignition is defined as the 'initiation of combustion' but many unstable substances react in ways where heat is produced by a non-combustion reaction, e.g., decomposition or s: 3.
Experimental Investigation of Augmented Spark Ignition of a Lo2/Lch4 Reaction Control Engine at Altitude Conditions [Nasa Technical Reports Server (Ntrs)] on *FREE* shipping on qualifying offers.
Experimental Investigation of Augmented Spark Ignition of a Lo2/Lch4 Reaction Control Engine at Altitude Conditions. UNITEDSTATESDEPARTMENTOFCOMMERCE•,Secretary or BibliographyonIgnitionand Spark-IgnitionSystems.
National Advisory Committee for Aeronautics, Report - An Investigation of the Effectiveness of Ignition Sparks. The effectiveness of ignition sparks was determined by measuring the volume (or mass) of hydrogen and of org— gen which.
combines at low pressures. The sparks were generated by a magneto and an ignition spark coil. Investigation of Statistical Nature of Spark Ignition S.
Moffett 1, S. Bhanderi, J. Shepherd, E. Kwon2 1Graduate Aeronautical Laboratories (GALCIT), California Institute of Technology, Pasadena, CaliforniaUSA 2Electromagnetic Effects Technology, Phantom Works The Boeing Company, Seattle, Washington This work presents a high energy multipole distribution spark ignition system that utilizes a three-pole spark igniter to create spatially distributed sparks within the igniter perimeter.
The current prototype can fit in a M14 standard spark plug mounting thread, evenly distributing three spark gaps in a triangular pattern with a circumradius. Investigation of the Effect of Dual Ignition on the Exhaust Emissions of an SI Engine Operating on Different Conditions by Using Quasi-dimensional Thermodynamic Cycle Model January ignition engines, can cause a no-spark condition if defective.
• The pickup coil must generate an AC voltage pulse to the ignition module so that the module can pulse the ignition coil. • A pickup coil contains a coil of wire, and the resistance of this coil should be .Numerical Analysis on Flame Kernel in Spark Ignition Methane/Air Mixtures Article in Journal of Propulsion and Power 27(2) March with 25 Reads How we measure 'reads'.