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1 edition of Basic studies of the mechanism of ignition of cellulosic materials found in the catalog.

Basic studies of the mechanism of ignition of cellulosic materials

W. D. Weatherford

Basic studies of the mechanism of ignition of cellulosic materials

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Published by [Combustion Institute] in [Pittsburgh] .
Written in English


Edition Notes

Reprinted from: Tenth Symposium (International) on Combustion, 1965, p.897-910.

StatementW. D. Weatherford and D. M. Sheppard.
ContributionsSheppard, D. M.
ID Numbers
Open LibraryOL13958208M

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Basic studies of the mechanism of ignition of cellulosic materials by W. D. Weatherford Download PDF EPUB FB2

Tenth Symposium (International) on Combustion, pp. The Combustion Institute, BASIC STUDIES OF THE MECHANISM OF IGNITION OF CELLULOSIC MATERIALS W. WEATHERFORD, JR. AND D. SHEPPARD Southwest Research Institute, Culebra Road, San Antonio, Texas Mathematical and experimental studies are being conducted on Cited by: martin, s.

the mechanisms of ignition of cellulosic materials by intense thermal radiation. A Report Based on a Search of the Subject Literature. Numerous studies on the ignition of cellulose materials, especially wood, were reported in the literature.

There are smoldering or glowing ignition (self-heating ignition) and flaming ignition including piloted and spontaneous ignition. A review of the literature on flaming ignition will be reported in this paper. Numerous studies on the ignition of cellulose materials, especially wood, were reported in the literature.

There are smoldering or glowing ignition (self-heating ignition) and flaming ignition. The cellulose is the most abundant polysaccharide on the earth, being the main structural component of plants and seaweed cell cellulose is formed from the repeated units of D-glucose, which are linked by glycosidic linkages β(1 → 4).

This natural polysaccharide has become the more used material due to its physical and structural properties and its Cited by: 1. Ignition of cellulosic materials by a radiant flux. Cellulosic Material; Access options Buy single article. Instant access to the full article PDF.

US$ This is the net price. Taxes to be calculated in checkout. Rent this article Cited by: 1. This Basic studies of the mechanism of ignition of cellulosic materials book describes some measurements of the temperature of the stream of smoky gases emitted from a heated cellulosic solid.

The exothermic reactions in this stream can lead to self-ignition and flaming and the report discusses the effects of various factors, e.g. the size of the area heated by radiation, on the likelihood of ignition.

Basic studies of the mechanism of ignition of cellulosic materials book this study, the effect of moisture content (4 to % corresponding to 20 to 90%RH) on ignition.

behavior has been determined for corrugated paperboard samples, generally used for packaging purposes. Compared with wood, corrugated paperboard has a lower moisture content for a given relative humidity.

10 Flame Retardant of Cellulosic Materials pyrolysis Step 1 required heat (Q1), while combustion Step 2 generated heat (Q2). The contact area of ignition (A) is also important. select article On the mechanism and explosion limits of hydrogen-oxygen chain self-ignition in shock waves. Single Particle Combustion Basic studies of the mechanism of ignition of cellulosic materials book of Wood.

Authors; Authors and affiliations Martin, S. Diffusion-controlled ignition of cellulosic materials by intense radiant energy.

Tenth Symposium on Combustion. The Combustion Institute, p. Google Scholar. Weatherford, W. and Shepard, D. Basic studies of the mechanism Cited by: 6. Basic and applied studies on cellulolytic enzymes have demonstrated their biotechnological potential in various industries including food, animal feed, brewing and wine making, agriculture, biomass refining, pulp and paper, textile, and laundry.

In the present paper, the potent industrial applications of cellulases have been critically by: Conducting Polymers. This book explains the following topics: Conductive Polymer-Based Membranes, Conducting Polymers in Sensor Design, Conducting Polymer Aerogels, Coating of Basic studies of the mechanism of ignition of cellulosic materials book Polymers on Natural Cellulosic Fibers, Electrical Properties of Polymer Light-Emitting Devices, Exfoliated Nanocomposites Based on Polyaniline and Tungsten Disulfide.

This book brings together panels of highly-accomplished leading experts in the field of lignocellulosic polymers & composites from academia, government, as well as research institutions across the globe and encompasses basic studies including preparation, characterization, properties and theory of polymers along with applications addressing new.

The objectives of this book are twofold: 1. To provide a thorough examination of the materials science of cellulosic fibers with emphasis on the characterization of structure-property relations, and 2. To advance knowledge of how to best analyze cellulosic fibrous networks and composites, and, ultimately, engineer "novel" cellulose-based systems of superior.

ignition, combustibility, heat release rate and fire spread would be helpful for building fire hazard assessment and fire protection.

The ignition of those cellulose materials, especially wood, has been studied for over a century. Ignition is the initial stage of burning the materials, and directly related to the consequent flame spread. The theoretical part of this paper aims at solving this problem for the case of sheets of wood heated in a comparatively simple manner.

The treatment is, however, general and may be applied to other materials which undergo thermal changes without melting, if the relevant thermal and other constants are by: Pulp and paper are made from cellulosic fibers (i.e., fibers from trees) and other plant materials, although some synthetic materials may be used to impart special qualities to the finished product.

Most paper is made from wood fibers, but rags, flax, cotton linters, and bagasse (sugar cane residues) are also used in some papers. Used paper is also. Science and Principles of Biodegradable and Bioresorbable Medical Polymers: Materials and Properties provides a practical guide to the use of biodegradable and bioresorbable polymers for study, research, and applications within medicine.

Fundamentals of the basic principles and science behind the use of biodegradable polymers in advanced research and in medical and.

The components of a system are determined to include the products of cellulosic defragmentation, oxygen, water, alkali and transition metals, radical initiators and inhibitors. Smolder and combustion of cellulosic fabrics were investigated by means of DSC/TG/MS, TPR/GC, and IR thermographic systems in inert and O 2 -containing : AJ Dyakonov, DA Grider, AM Ihrig.

Bacterial cellulose is an organic compound with the formula (C 6H 10O 5) n produced by certain types of bacteria. While cellulose is a basic structural material of most plants, it is also produced by bacteria, principally of the genera Acetobacter, Sarcina ventriculi and.

The objective of this study was to evaluate the chemical and enzymatic hydrolysis using a factorial experimental design (2 3) in order to obtain fermentable sugars from cellulose-based material (CBM) usually used as pet litter.

In assessing chemical hydrolysis, we studied the effect of temperature, in addition to H 2 SO 4 concentration and reaction time, on the Cited by: Microbial Degradation of Lignocellulosic Biomass. By Wagner Rodrigo de Souza and therefore this specie has become a very useful model fungus for basic studies on CWDEs in recent years.

It is known that the presence of the hemicelluloses xylan, xyloglucan, arabinan and mannan usually induces a high production of hemicellulases, though the Cited by: Module 5: Basic Electrical Systems Aim: Perform basic electrical tasks required for an engine technician Maintenance and service of the: Battery Self Starter Charging Systems Electrical Components 20 70 Module 6: Application of Related Studies Aim: 1.

6 Apply simple mathematical rules important in the workshop Size: KB. ammonium phosphates and borax for treating cellulosic material. Many of the promising inorganic chemicals used today were identi-fied between and Since then, the development of fire retardants for wood has accelerated.

Commercially treated wood be-came available after the U.S. Navy () specified its use in shipFile Size: KB. The Technical Study Group on Cigarette and Little Cigar Fire Safety was established by Public Lawthe Cigarette Safety Act of on Octo Its mission IS to: 'undertake such studies and other activities as it considers necessary and.

@article{osti_, title = {CRITICAL RADIANT EXPOSURES FOR PERSISTENT IGNITION OF CELLULOSIC TARGET COMPLEX MATERIALS. Lab. ProjectPartFinal Report}, author = {Bracciaventi, J and DeBold, F}, abstractNote = {Threshold radiant exposures for ignition of eight kindling materials were measured for simulated nuclear weapon pulses of.

In this experiment, cellulosic material (such as corn stalks, leaves, grasses, etc.) will be used as a feedstock for the production of ethanol. The cellulosic material is first pretreated (ground and heated), digested with enzymes, and then fermented with yeast.

Ethanol production is monitored using an ethanol probe. This all-in-one offline Automobile app carrying a huge information and videos of the subject with + topics comprising of e-notes, accurate diagrams, equations,graphical representation for better understanding and conceptual learning that too absolute FREE!!.

This Automobile Engineering app covers various chapters to learn such as ENGINE, GEAR BOX, CLUTCH, TURBOCHARGER, IGNITION /5(K). Organic Chemistry by Andrew Rosen. This note covers the following topics: Bonding and Molecular Structure, Families of Carbon Compounds, Organic Reactions and Their Mechanisms, Nomenclature and Conformations of Alkanes and Cycloalkanes, Stereochemistry, Ionic Reactions, Alkenes and Alkynes, Alcohols and Ethers, 0 Alcohols from Carbonyl Compounds.

When a material is heated 10 degrees to 30 degrees (5 C to 15 C) higher than the flash point, and the ignition flame is applied from time to time, combustion is sustained after removal of the flame ignition source.

This temperature is called the. First Year Industrial Chemistry Paper I - Industrial Aspects of Organic and Inorganic chemistry. Nomenclature: Generic names, Trade names 2. Raw materials for organic compounds: Petroleum, Natural gas, Fractionation of crude oil, cracking, reforming, hydro forming and Size: 48KB.

This book describes the unsteady phenomena needed to understand supersonic combustion. Following an initial chapter that introduces readers to the basic concepts in and classical studies on unsteady supersonic combustion, the book highlights recent studies on unsteady phenomena, which offer insights on e.g.

interactions between acoustic waves and flames, flow dominating instability, ignition. Cellulosic materials are the most abundantly produced organic biopolymers on earth. Each year photosynthetic fixation of CO 2 yields more than hundred billions tons of dry plant material worldwide and almost half of this material consists of cellulose [].Other sources of cellulosic wastes include food crops, grassy plants, residues from agriculture or forestry, and the organic Cited by: The basic raw material used to manufacture cellulose acetate polymer is purified plant- derived cellulose.

Cellulose, the structural component of the primary cell wall of green plants, makes up 40 to 50 percent of a tree’s composition. The most common source of cellulose is pulp derived from trees, grown in responsibly managed forests.

Some File Size: KB. Task II was an intensive study of the major flame retardants for man-made fibers. It was meant to develop a full profile of those particular treatments: the chemistry, production, uses, engineering problems, contamination and toxicity. This volume, A Study of Flame Retardants for Textiles.

Final Report combines the findings of both Tasks. This review describes major features of current research in renewable fuels derived from plants and from fatty acids. Recent and ongoing fundamental studies of biofuel molecular structure, oxidation reactions, and biofuel chemical properties are reviewed, in addition to combustion applications of biofuels in the major types of engines in which biofuels are used.

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CBD Spontaneous Ignition. Originally published September Y. Tsuchiya, K. Sumi. Spontaneous ignition is a possible cause of unwanted fire. It is a complex phenomenon of combustible material ignited by its own heat of reaction without external heat or other source of ignition.

Pair your accounts. Export articles to Mendeley. Get article recommendations from ACS based on references in your Mendeley library. Nanomaterials describe, pdf principle, materials of which a single unit small sized (in at least one pdf between 1 and nm.

(the usual definition of nanoscale). Nanomaterials research takes a materials science-based approach to nanotechnology, leveraging advances in materials metrology and synthesis which have been developed in support of microfabrication research.Full Article.

Regenerated Cellulose by the Lyocell Process, a Brief Review of the Process and Download pdf. Shaokai Zhang, a,b Chunxia Chen, b,c * Chao Duan, b,d Huichao Hu, a,b Hailong Li, b,e Jianguo Li, a,b Yishan Liu, b,f Xiaojuan Ma, a,b Jaroslav Stavik, g and Yonghao Ni, a,b * Lyocell fiber has emerged as an important class of regenerated cellulose that is produced .Ebook can also be used to produce ebook, however, doing so requires additional processes using enzymes to break down the cellulosic materials into sugars.

Cellulosic materials, which provide structure to plants, comprise the stems, stalks, and leaves of plants as well as trunks of trees. Cellulose and hemicellulose, which collectively are.