By U.S. ARMY RESEARCH AND DEVELOPMENT COMMAND TACOM
The common curiosity in explosives in the course of and because global struggle II has resulted
in the necessity for a accomplished assurance of the sector of explosives and related
items. In 1941-1944, Dr B. T. Fedoroff in collaboration with G. D. Clift had
published a "Laboratory guide of Explosives" in 4 small volumes (Lefax Co),
for which there have been a number of requests. because the revealed variations were exhausted and the plates have been now not on hand, Dr Fedoroff determined to jot down a
revised version. because the paintings stepped forward, it grew to become obtrusive that extra help
would be wanted, not just as a result super enlargement of the literature,
but additionally since it used to be made up our minds to expand the scope of the work
This Encyclopedia is meant to hide the subsequent goods:
a) army and commercial explosives, explosive compositions, propellants and pyrotechnic compositions
b) Explosives and explosive compositions that have now not been used for
military or commercial reasons
c) Analytical techniques for the extra common
explosives, propellants and pyrotechnic compositions
d) Compounds which deflagrate
or may explode due to the presence of plosophoric groups
e) Ammunition goods, equivalent to projectiles, bombs, grenades, detonators, fuzes, etc
f) Calibers of guns and projectiles utilized in the united states and international international locations
g) short definitions of ordnance phrases h)Names of scientists who made important
contributions within the fields of explosives, ammunition and weapons.
Over the years a few works, together with dictionaries, were published
in the sphere of explosives, propellants, and so forth, that are of normal or restricted scope.
None of those has tried to incorporate in a single paintings a entire insurance of
the extensive box of things indexed above.
The authors wish that this Encyclopedia can be of worth not just in saving
many hours of library paintings but in addition in decreasing the necessity for far laboratory work
in order to acquire details already to be had. it really is was hoping that many of the data
and even loss of information might stimulate extra paintings within the fields covered
In compiling this paintings, the authors have freely consulted with, and had the
cooperation of such a lot of contributors directory will be impractical. Any attempt
to accomplish that could without doubt lead to a few embarrassing omissions. We therefore
take this chance to thank all those that were consulted or who've helped
in alternative routes within the education of this paintings. through the Encyclopedia
information bought from contributors is said within the textual content. Picatinny
Arsenal Technical info (Library) reference works, comparable to journals,
periodicals books and unclassified stories, have been made on hand in the course of the cooperation of all Library body of workers.
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Additional resources for Encyclopedia of Explosives and Related Items (Vol 10)
On the other hand, when the concentration of UDMH exceeds a certain limit, it is probable that its decay products inhibit the radical reactions by taking away the available oxygen and hydrogen atoms. This perhaps is the reason for the decreasing influence of UDMH as its concentration in hydrogen—air mixture increases. N. A. R. Goldwasser, consumed] “Time–Temperature Simulation in Low Pressure Ignition of Hyperbolic Liquids”, AIAAJ 12 (l), 11-12 (1974) &CA 80,135473 (1974) [The authors report on a simulated ign study made on N204/UDMH proplnt.
Dobying requires a much higher powder factor, at least three times greater tlian “drill” methods. The additionrd powder costs often can be more than justified when drilling costs are considered. The efficiency of a dobying expl depends on “coupling” or intimate contact with the rock. If sand or mud is between the charge and the rock formation, poor. results can be expected. Some of the more typical methods of exposing the rock formation are blowing with a water jet, pumping with a suction dredge, or digging with a “clam” or drag bucket.
Digital circuits determine when the probe is directly over a crack, measure the local thickness of the wall and compare it with the design value. 076cm (Ref 19) Resonance Tubes In 1916, Hartmann discovered (Ref 7) that intense noise is generated from shallow cylindrical cavities when these are impinged by sonic gasjets, owing to resonant oscillations. Later it was shown that a very slender Hartmann whistle, with a length to diameter ratio of 30, exhibits intense heating at the clo&d end. Since that time, further improvements have taken place, principally in the incorporation of tapered or stepped cavities (Ref 7) culminating in the flueric match (see Fig 1) The gasdynamics of resonance tubes have been analyzed by Sinha (Ref 8).
Encyclopedia of Explosives and Related Items (Vol 10) by U.S. ARMY RESEARCH AND DEVELOPMENT COMMAND TACOM