Results 71 to 80 of about 332,298 (211)

Innovative aspects of underground coal gasification technology in mine conditions [PDF]

open access: yes, 2018
Purpose. Development of innovative approaches in technological and technical solutions improvement for coal seam gasification. Methods. Carrying-out of native and world experience in the coal reserves development by underground gasification technology ...
Dychkovskyi, R   +4 more
core   +1 more source

In-situ laser retorting of oil shale [PDF]

open access: yes, 1977
Oil shale formations are retorted in situ and gaseous hydrocarbon products are recovered by drilling two or more wells into an oil shale formation underneath the surface of the ground.
Bloomfield, H. S.
core   +1 more source

The hard start phenomena in hypergolic engines. Volume 3: Physical and combustion characteristics of engine residuals [PDF]

open access: yes
An investigation was conducted to determine the cause of starting problems in the hypergolic rocket engines of the Apollo reaction control (RCS) engines.
Miron, Y., Perlee, H. E.
core   +1 more source

Self-sealing propellant-actuated device eliminates atmosphere contamination [PDF]

open access: yes, 1970
Device retains internally generated combustion products by a plug which seals the barrel end after projectile ejection.
Heiney, O. K.
core   +1 more source

Coupled effect of torrefaction and blending on chemical and energy properties for combustion of major open burned agriculture residues in Thailand [PDF]

open access: yes, 2018
Thailand is an agriculture-based country. It produces large amounts of open burned agricultural residues. A strategy to use them as biofuel all year round is to enhance their fuel properties by coupling blending and thermochemical pre-treatment.
Chen, Wei-Hsin   +4 more
core   +1 more source

Combustion products generating and metering device [PDF]

open access: yes
An apparatus for generating combustion products at a predetermined fixed rate, mixing the combustion products with air to achieve a given concentration, and distributing the resultant mixture to an area or device to be tested is described.
Klisch, J. A., Wiberg, R. E.
core   +1 more source

A Method of Calculating a Time-Varying Volume of Combustion Products in the Cylindrical Chamber

open access: yesМеханика машин, механизмов и материалов, 2008
A method of calculating a volume of combustion products when a flame spreads in the closed cylindrical chamber is developed, assuming that the front is spherical for two positions of an ignition source: at the end (central ignition) and cylindrical (side
M.S. Assad   +2 more
doaj  

Numerical and experimental study on the combustion pressurization and gaseous products of propellant in a combustor

open access: yesResults in Engineering
Propellant combustion in a combustor offers a promising method for environmentally sound disposal but is limited by insufficient theoretical and experimental research.
Chenzhuo Hao   +4 more
doaj   +1 more source

Committee on Fire Toxicology [PDF]

open access: yes
The report outlines desirable characteristics for a screening test for determining the toxicity of combustion and pyrolysis products of polymeric ...

core   +1 more source

Squib-operated disconnect [PDF]

open access: yes, 1972
Disconnect device is described, which consists of stud with enlarged end held in collet locked by pins, which are held in place by piston.
Alexander, P., Jr., Mcdougal, A. R.
core   +1 more source

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