Fast igniter

The speed of burning of fast igniter cord depends on the speed of burning of the blackpowder-coated yarns and this depends in turn on the gas channels left in the construction of the fuse. The remainder of the fuse is also combustible, so that there is no pressure build up due to lack of venting. Should a minor pin hole or break in the outside layers be produced and water enter, the incendiary composition will continue to burn so that the fuse will not fail, although it will slow down for the distance of the damage. 

Summary. This Chapter focuses on the investigation of fast electron transport studies in solids irradiated at relativistic laser intensities. Experimental techniques based upon space-resolved spectroscopy are presented in view of their application to both ultrashort Ka X-ray sources and fast ignition studies. Spectroscopy based upon single-photon detection is unveiled as a complementary diagnostic technique, alternative to well established techniques based upon bent crystals. Application of this technique to the study of X-ray fluorescence emission from fast electron propagation in multilayer targets is reported and explored as an example case. 

The overwhelming development of the ultrashort and ultraintense laser systems based on the CPA technique enables to foresee a clear way to get miniaturized (table-top) particle accelerators and related sources of X/7-rays. Such a reduction in dimensions and costs has made realistic the application of these innovative apparatus to several fields, from medical diagnostics and therapy to material science and femto-chemistry. Furthermore, particles accelerated by laser-plasma interaction can be used in the fast-ignition approach... 

Fano interference, 32, 38 Fast electron distribution, 134 Fast electron generation, 123 Fast electron transport, 125 Fast electrons, 176 Fast-ignition, 124 Femtosecond supercontinuum, 94 Feynman s path integral, 73 Feynman s propagator, 76 Field parameter, 172 Filamentation, 82, 84, 112 Floquet ladder, 11 Fluorescence, 85, 125 FROG, 66 FROG-CRAB, 66... 

Johzaki T et al. (2004) 2-D analysis of ignition and burn characteristics for fast ignition targets. In Proc. 3rd Int. Conf. on Inertial Fusion Science and Applications (IFSA2003), Monterey CA, 2003, American Nuclear Society, La Grange Park IL, p 474... 

The CN indicates which oils could be suitable as alternative diesel. CN by definition is based on a linear set of blends of cetane in a-methyl naphthalene cetane or hexadecane (C16H34) shows fast ignition, /. e., CN 100 alpha-methyl naphthalene (CnH10) has a strong ignition delay, i.e., CN 0. 

Leighton, D.T. Chang, H.-C. A theory for fast-igniting catalytic converters. AIChE J. 1995, 41, 1898-1914. 

The central cooling air is used to cool down the central plate of the burner tip and to supply oxygen in a flame core to help the solid/liquid waste fuel burning. The dispersion air stream is used for better pulverization of the PF jet, fast ignition, and quick response of the flame to primary air modification. The swirling air stream keeps the unburnt fuel and devolatized nitrogen inside of IRZ, witch becomes reach in reducing species able to control both fuel bond and thermal NO. ... 

Many researchers have dedicated their efforts to understanding the fire risks and hazards of plastic materials. The most important fire risks and fire hazards are rate of heat release, rate of smoke production, and rate of toxic gas release [1]. Other factors include ignitability, ease of extinction, flammability of generated volatiles, and smoke obscuration. An early and high rate of heat release causes fast ignition and flame spread furthermore, it controls fire intensity, which is much more important than ignitability, smoke toxicity, or flame spread. The time for people to escape in a fire is also controlled by the heat release rate [2]. 

Very dangerous to prepare and handle, not recommended unless very fast ignition is needed. 

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