Results 91 to 100 of about 29,920 (238)

FREQUENCY PREDICTION OF STAGED COMBUSTION ROCKET ENGINE BASED ON RBF NEURAL NETWORK

Jixie qiangdu, 2015
In order to avoid creating or modifying the huge amount of finite element model of the rocket engine,application of the RBF（ radial basis function） neural network which was used to predict structural frequency of the liquid rocket engine was analyzed.
DU FeiPing, TAN YongHua, CHEN JianHua
doaj  

Nonlinear combustion instability in liquid-propellant rocket motors Final report [PDF]

Mathematical models of nonlinear combustion instabilities in liquid propellant rocket ...
Burstein, S. Z., Chinitz, W., Schechter, H. S.   +2 more
core   +1 more source

Historical problem areas lessons learned [PDF]

Historical problem areas in space transportation propulsion technology are identified in viewgraph form. Problem areas discussed include materials compatibility, contamination, pneumatic/feed system flow instabilities, instabilities in rocket engine ...
Fester, Dale A., Sackheim, Bob
core   +1 more source

Experimental verification of computer spray-combustion models [PDF]

, 1973
Analytical model formulation, representing performance of spray-combustion device, is based on understanding of atomization, mixing, vaporization, and combustion which occurs in device.
Clayton, R. M., Nurick, W. H., Rupe, J. H.   +2 more
core   +1 more source

Statistical derivation of design criteria for liquid rocket combustion instability Final report [PDF]

Statistical correlation between engine design and combustion stability in liquid propellant rocket ...
Bastress, E. K., Harris, G. H., Miller, I.   +2 more
core   +1 more source

AXISYMMETRIC, THROTTLEABLE NON-GIMBALLED ROCKET ENGINE [PDF]

, 2005
A rocket engine assembly is provided for a vertically launched rocket vehicle. A rocket engine housing of the assembly includes two or more combustion chambers each including an outlet end defining a sonic throat area.
Anderson, William E., Dressler, Gordon A., Hutt, John J., Sackheim, Robert L.   +3 more
core   +1 more source

Experimental Investigation on Ablative Characteristics of EPDM Insulation in SRJ Combustion Chamber

International Journal of Aerospace Engineering
The ablative characteristics of the insulation in the combustion chamber are an essential part of the research on solid rocket ramjet thermal protection. However, the research on ablative characteristics under long working times is quite limited. In this
Wenxiang Cai, Weimin Huang, Weixuan Li
doaj   +1 more source

Theoretical investigation on transverse mode combustion instability for liquid propellant rockets [PDF]

Mathematical solution of nonlinear transverse combustion instability problems in thin annular liquid propellant rocket ...
Crocco, L., Lorenzetto, J. H.
core   +1 more source

Two-step rocket engine bipropellant valve concept [PDF]

, 1969
Initiating combustion of altitude control rocket engines in a precombustion chamber of ductile material reduces high pressure surges generated by hypergolic propellants.
Capps, J. E., Ferguson, R. E., Pohl, H. O.   +2 more
core   +1 more source

The prediction of the nonlinear behavior of unstable liquid rockets [PDF]

Analytical technique for solving nonlinear combustion problems associated with liquid propellant rocket ...
Powell, E. A., Zinn, B. T.
core   +1 more source