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Assessment of Safety and Risk with a Microscopic Model of Detonation
 
 

Assessment of Safety and Risk with a Microscopic Model of Detonation, 1st Edition

 
Assessment of Safety and Risk with a Microscopic Model of Detonation, 1st Edition,C.-O. Leiber,ISBN9780444513328
 
 
 

  

Elsevier Science

9780444513328

9780080527628

616

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Description

This unique book is a store of less well-known explosion and
detonation phenomena, including also data and experiences related to
safety risks. It highlights the shortcomings of the current
engineering codes based on a classical plane wave model of the
phenomenon, and why these tools must fail.

For the first time all the explosion phenomena are described in terms
of proper assemblages of hot spots, which emit pressure waves and
associated near field terms in flow. Not all of the approaches are
new. Some even date back to the 19th century or earlier.. What is new
is the application of these approaches to explosion phenomena. In
order to make these tools easily available to the current detonation
physicist, basic acoustics is therefore also addressed.

Whereas the current plane wave, homogeneous flow detonation physics
is an excellent engineering tool for numerical predictions under
given conditions, the multi-hot-spot-model is an additional tool for
analyzing phenomena that cannot be explained by classical
calculations. The real benefit comes from being able to understand,
without any artificial assumptions, the whole phenomenology of
detonations and explosions. By specifying pressure generating
mechanisms, one is able to see that the current treatment of the
detonics of energetic materials is only a very special - but powerful
- case of explosion events and hazards. It becomes clear that
physical explosions must be taken into account in any safety
considerations. In these terms it is easy to understand why even
liquid carbon dioxide and inert silo materials can explode.

A unique collection of unexpected events, which might surprise even
specialists, has resulted from the evaluation of the model. Therefore
this book is valuable for each explosion and safety scientist for the
understanding and forecasting of unwanted events. The text mainly
addresses the next generation of explosion and detonation scientists,
with the goal of promoting the science of detonation on a new
physical basis. For this reason gaps in current knowledge are also
addressed. The science of explosions is not fully mature, but is
still in its beginning - and the tools necessary for furthering the
understanding of these phenomena have been with us for centuries.

C.-O. Leiber

Affiliations and Expertise

Rheinbach, Germany

Assessment of Safety and Risk with a Microscopic Model of Detonation, 1st Edition

Prologue.
I. Shortcomings in the macroscopic plane-wave model of detonation.
II. Impedance mirror photography of H. Dean Mallory.
III. Pressure generating mechanis.
IV. Equations.
V. Pressure sources for modeling.
VI. Rayleigh's bubble model.
VII. Losses by volume variations.
VIII. Variety of initiation modes by bubbles.
IX. Various approaches to describe bubble dynamic phenomena.
X. Sensitivity testing.
XI. Low- (LVD) and slow-velocity detonation (SVD) of liquid explosives.
XII. Low velocity detonation of solid explosives.
XIII. Case histories. XIV.
Dipole scattering.
XV. Finite shock rise.
XVI. Void precursors.
XVII. Alterations of hugoniots by bubble flow.
XVIII. Critical dimensions.
XIX. Critical diameter(s) of nitromethane (NM).
XX. Smooth and rough pressure fronts, dark waves and DDT.
XXI. Shock tubes.
XXII. Detonation phenomena in charges with an axial cavity.
XXIII. Microscopic and macroscopic properties of solids.
XXIV. Fracture dynamics of initiation.
Subject index.
 
 
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