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Author :
Release : 1960
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Book Synopsis Flammability characteristics of high temperature hydrocarbon fuels by :
Download or read book Flammability characteristics of high temperature hydrocarbon fuels written by . This book was released on 1960. Available in PDF, EPUB and Kindle. Book excerpt:
Author : JOSEPH M. KUCHTA
Release : 1960
Genre : Fuel
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Book Synopsis Flammability Characteristics of High Temperature Hydrocarbon Fuels by : JOSEPH M. KUCHTA
Download or read book Flammability Characteristics of High Temperature Hydrocarbon Fuels written by JOSEPH M. KUCHTA. This book was released on 1960. Available in PDF, EPUB and Kindle. Book excerpt: Data are presented on the flammability and autoignition temperature characteristics of JP-6, JP-150 and HTF-59-24 fuels. Flammability limits of the vapors of these fuels were determined in air at elevated temperatures and at atmospheric pressure. Auto-ignition temperatures and corresponding ignition delay times were obtained under static and dynamic conditions as a function of the pressure and the oxygen concentration of the ambient medium; the effect of fuel volume on auto-ignition was also determined in static tests. The auto-ignition of JP-6 fuel vaporoxygen-nitrogen mixtures was studied in various vessels which were heated uniformly and nonuniformly; critical heat flow requirements for auto-ignition were found for spherical and cylindrical Cu vessels and a spherical stainless steel vessel. (Author).
Author : J. M. Kuchta
Release : 1962
Genre : Fuel
Kind : eBook
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Book Synopsis Flammability and Autoignition of Hydrocarbon Fuels Under Static and Dynamic Conditions by : J. M. Kuchta
Download or read book Flammability and Autoignition of Hydrocarbon Fuels Under Static and Dynamic Conditions written by J. M. Kuchta. This book was released on 1962. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Bond
Release : 2017-01-31
Genre : Science
Kind : eBook
Book Rating : 250/5 ( reviews)
Book Synopsis Sources of Ignition by : John Bond
Download or read book Sources of Ignition written by John Bond. This book was released on 2017-01-31. Available in PDF, EPUB and Kindle. Book excerpt: Sources of Ignition: Flammability Characteristics of Chemicals and Products describes the flammability characteristics of substances and deals with the different sources of ignition. Case histories are presented for review and analysis. The book is comprised of six chapters and seven appendices. The introduction gives a basic description of the anatomy of fire and explosions, including the access to fuel and the interaction of oxygen and fuel. A description of the flammable limits of gases, dusts, mists, and mixtures and the method of estimating these follow. The text also explains the flash point of a substance and the method of calculating it, using citations from Fuji and Hermann. The ignition energy of a chemical, as well as how to estimate it using the method of Calcote et al., is also presented. The book explains that autoignition temperature of gases is dependent on different factors, such as time delay, oxygen concentration, and catalyst effects of materials, but may still be estimated citing Zabetakis, 1965 as reference. The formula is given in more detail. Finally, the energy sources for ignition are enumerated as mechanical, electrical, thermal, and chemical. The appendices deal with chemicals, self-heating substances, organic peroxides, substances prone to spontaneous combustions, unstable substances, flammability characteristics of dusts, and a checklist of possible sources of ignition. This book is beneficial to fire safety engineers, firemen, fire prevention maintenance administrators, fire hazard officers, and other personnel whose line of work is in fire safety and prevention.
Author : Thuy Minh Hai Le
Release : 2013
Genre :
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Book Synopsis Flammability Characteristics of Hydrogen and Its Mixtures with Light Hydrocarbons at Atmospheric and Sub-atmospheric Pressures by : Thuy Minh Hai Le
Download or read book Flammability Characteristics of Hydrogen and Its Mixtures with Light Hydrocarbons at Atmospheric and Sub-atmospheric Pressures written by Thuy Minh Hai Le. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of flammability limits is essential in the prevention of fire and explosion. There are two limits of flammability, upper flammability limit (UFL) and lower flammability limit (LFL), which define the flammable region of a combustible gas/vapor. This research focuses on the flammability limits of hydrogen and its binary mixtures with light hydrocarbons (methane, ethane, n-butane, and ethylene) at sub-atmospheric pressures. The flammability limits of hydrogen, light hydrocarbons, and binary mixtures of hydrogen and each hydrocarbon were determined experimentally at room temperature (20℗ðC) and initial pressures ranging from 1.0 atm to 0.1 atm. The experiments were conducted in a closed cylindrical stainless steel vessel with upward flame propagation. It was found that the flammable region of hydrogen initially widens when the pressure decreases from 1.0 atm to 0.3 atm, then narrows with the further decrease of pressure. In contrast, the flammable regions of the hydrocarbons narrow when the pressure decreases. For hydrogen and the hydrocarbons, pressure has a much greater impact on the UFLs than on the LFLs. For binary mixtures of hydrogen and the hydrocarbons, the flammable regions of all mixtures widen when the fraction of hydrogen in the mixture increases. When the pressure decreases, the flammable regions of all mixtures narrow. The applications of Le Chatelier̕ s rule and the Calculated Adiabatic Flame Temperature (CAFT) model to the flammability limits of the mixtures were verified. It was found that Le Chatelier̕ s rule could predict the flammability limits much better than the CAFT model. The adiabatic flame temperatures (AFTs), an important parameter in the risk assessment of fire and explosion, of hydrogen and the hydrocarbons were also calculated. The influence of sub-atmospheric pressures on the AFTs was investigated. A linear relationship between the AFT and the corresponding flammability limit is derived. Furthermore, the consequence of fire relating to hydrogen and the hydrocarbons is discussed based on the AFTs of the chemicals. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/150966
