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Ignition Of Fuel Sprays By Hot Surfaces And Stabilization Of Aircraft Fires
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Book Synopsis Ignition of Fuel Sprays by Hot Surfaces and Stabilization of Aircraft Fires by : J. G. Skifstad
Download or read book Ignition of Fuel Sprays by Hot Surfaces and Stabilization of Aircraft Fires written by J. G. Skifstad and published by . This book was released on 1978 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first annual report discusses a research project undertaken to investigate experimentally and theoretically the ignition of fuel sprays by hot surfaces and the stabilization of aircraft fires related to aircraft fire safety. The basic problems are outlined, and the experimental facilities developed for the research are described, along with a discussion of operating experience to date. (Author).
Book Synopsis Fuel Spray Ignition by Hot Surfaces and Aircraft Fire Stabilization by : J. G. Skifstad
Download or read book Fuel Spray Ignition by Hot Surfaces and Aircraft Fire Stabilization written by J. G. Skifstad and published by . This book was released on 1986 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Task 1 an experimental study of the ignition of Jet-A fuel sprays by an isothermal hot surface was conducted in a vertical axisymmetric duct. In addition to measurements of the wall temperature necessary for ignition, local measurements of velocity, turbulence intensity, fuel concentration, and the fraction of fuel vaporized were measured in the boundary layer at surface temperatures just below that required for ignition. In Task 2 two combustion tunnel facilities were used to investigate the stabilization of aircraft fires. Results showed that the shape of a bluff-body flameholder affects its stability characteristics through its influence on the size and shape of the wake region. Another significant finding was that the flameholding properties of the single-vortex flow pattern are markedly superior to those of the double-vortex pattern. In Task 3 experimental studies were conducted on: (1) Entrainment of an external flow into a cavity, with a small opening or vent in a side wall, when there is a small flow through the cavity; and (2) Fluid dynamics and ignition and flame stability characteristics of a jet of gaseous fuel through a protrusion of different shapes and heights in the wall of a cavity with a small flow of air through the cavity.
Book Synopsis Fuel Spray Ignition by Hot Surfaces and Stabilization of Aircraft Fires by : A. H. Lefebvres
Download or read book Fuel Spray Ignition by Hot Surfaces and Stabilization of Aircraft Fires written by A. H. Lefebvres and published by . This book was released on 1985 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Task I, the research primarily involved refinement of the experimental apparatus, instrumentation, measurement techniques, and acquisition of experimental data. Special efforts were made to assure the reliability of the measurements, including runs made to examine the process of oxide formation when using pure nickel surfaces. Experimental data were acquired for both liquid kerosine (Jet-A) and gaseous commercial propane fuels over a broad range of run conditions. Evaluation of the results in the context of existing theories and modifications of the CONCHAS-SPRAY code to model this experimental system were also undertaken. In Task II, the extensive experimental results on blowoff velocity, obtained using both conventional Vee-gutter and single-sided flameholders, provided the data base for an analytical study of the factors governing the stability characteristics of bluff-body flameholders. An equation was derived for predicting blowoff velocity in terms of flameholder size, flameholder blockage, ambient air pressure and temperature, and temperature, and laminar flame speed. Predictions of blowoff velocity based on this equation showed excellent agreement with experimental values. In Task III, experimental studies were completed and results correlated for ventilation flow from surroundings into a cavity with a small internal flow. Extensive flow visualization studies were also undertaken for flow past a protrusion, including the case of a jet through the protrusion. These studies provided data on formation of vortices adjoining and over the protruberance and the nature of jet flow entrainment into them.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanism of Start and Development of Aircraft Crash Fires by : I. Irving Pinkel
Download or read book Mechanism of Start and Development of Aircraft Crash Fires written by I. Irving Pinkel and published by . This book was released on 1952 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aviation Fuels with Improved Fire Safety by : National Research Council
Download or read book Aviation Fuels with Improved Fire Safety written by National Research Council and published by National Academies Press. This book was released on 1997-08-18 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reduction of the fire hazard of fuel is critical to improving survivability in impact-survivable aircraft accidents. Despite current fire prevention and mitigation approaches, fuel flammability can overwhelm post-crash fire scenarios. The Workshop on Aviation Fuels with Improved Fire Safety was held November 19-20, 1996 to review the current state of development, technological needs, and promising technology for the future development of aviation fuels that are most resistant to ignition during a crash. This book contains a summary of workshop discussions and 11 presented papers in the areas of fuel and additive technologies, aircraft fuel system requirements, and the characterization of fuel fires.
Book Synopsis Origin and Prevention of Crash Fires in Turbojet Aircraft by : I. Irving Pinkel
Download or read book Origin and Prevention of Crash Fires in Turbojet Aircraft written by I. Irving Pinkel and published by . This book was released on 1958 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The limited extent of the hot-metal zones that may start a fire permitted an approach to inerting the engine that involved the simultaneous initiation of the following actions upon crash impact: (1) Shut off fuel flow to engine; (2) spray coolant (water) on those hot surfaces found to be ignition sources; (3) disconnect airplane electrical system at the battery and generator.
Book Synopsis FY ... US Air Force Plan for Defense Research Sciences by :
Download or read book FY ... US Air Force Plan for Defense Research Sciences written by and published by . This book was released on 1984 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Atomization and Sprays by : Nasser Ashgriz
Download or read book Handbook of Atomization and Sprays written by Nasser Ashgriz and published by Springer Science & Business Media. This book was released on 2011-02-18 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomization and sprays are used in a wide range of industries: mechanical, chemical, aerospace, and civil engineering; material science and metallurgy; food; pharmaceutical, forestry, environmental protection; medicine; agriculture; meteorology and others. Some specific applications are spray combustion in furnaces, gas turbines and rockets, spray drying and cooling, air conditioning, powdered metallurgy, spray painting and coating, inhalation therapy, and many others. The Handbook of Atomization and Sprays will bring together the fundamental and applied material from all fields into one comprehensive source. Subject areas included in the reference are droplets, theoretical models and numerical simulations, phase Doppler particle analysis, applications, devices and more.
Download or read book Aeronautical Engineering written by and published by . This book was released on 1992 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Download or read book NASA SP. written by and published by . This book was released on 1992 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spontaneous Ignition of Pentaborane Sprays in a Hot-air Stream by : Erwin A. Lezberg
Download or read book Spontaneous Ignition of Pentaborane Sprays in a Hot-air Stream written by Erwin A. Lezberg and published by . This book was released on 1956 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Helicopter Crash-resistant Fuel Systems by :
Download or read book A Study of Helicopter Crash-resistant Fuel Systems written by and published by . This book was released on 2002 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1987 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Reports Awareness Circular : TRAC. by :
Download or read book Technical Reports Awareness Circular : TRAC. written by and published by . This book was released on 1987-02 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Papers Presented at the AIAA/ASME/SAE/ASEE 25th Joint Propulsion Conference by :
Download or read book Papers Presented at the AIAA/ASME/SAE/ASEE 25th Joint Propulsion Conference written by and published by . This book was released on 1989 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
