The transfer functions of rocket nozzles [PDF]
The transfer function is defined as the fractional oscillating mass flow rate divided by the fractional sinusoidal pressure oscillation in the rocket combustion chamber. This is calculated as a function of the frequency of oscillation.
Tsien, H. S.
core +4 more sources
INVESTIGATION OF A SUBMERGED NOZZLE FOR SOLID ROCKETS [PDF]
Scale model compressed air tests of 260-inch solid rocket with submerged nozzle to determine exhaust flow velocity and direction in annular ...
Reino J Salmi, JAMES PELOUC
openalex +2 more sources
Thermo-Structural Response Caused by Structure Gap and Gap Design for Solid Rocket Motor Nozzles [PDF]
The thermo-structural response of solid rocket motor nozzles is widely investigated in the design of modern rockets, and many factors related to the material properties have been considered.
Lin Sun+6 more
doaj +2 more sources
Effect of Nozzle Contour on Flow Separation in Overexpanded Rocket Nozzles
In the present paper, parametric numerical analyses of the separated transonic flows in overexpanded rocket nozzles are conducted. Several types of nozzles are examined numerically to clarify the detailed mechanisms of the occurrence of restricted shock ...
Koichi YONEZAWA+4 more
doaj +6 more sources
Characterization of Advanced Solid Rocket Nozzle Materials [PDF]
Abstract : A program is presented for the characterization of advanced carbon- carbon and pyrolytic graphite materials for solid rocket nozzle application. The various elements of the program are examined, and techniques for measuring individual elements are discussed.
Jay G. Baetz
openalex +3 more sources
Effect of Convergent Section Contour on the Sonic Line in Rocket Engine Nozzles
This study made a numeric evaluation of the effect of convergent geometry on the position and profile of the sonic line in rocket engine nozzles. To validate the numerical solution, two conical nozzles, from which experimental results are available in ...
Eduardo Matos Germer, Carlos H. Marchi
doaj +3 more sources
Flow and Heat Transfer Performances of Liquid Metal Based Microchannel Heat Sinks under High Temperature Conditions [PDF]
Developments in applications such as rocket nozzles, miniature nuclear reactors and solar thermal generation pose high-density heat dissipation challenges.
Tao Wu+4 more
doaj +2 more sources
Propulsion and Thermodynamic Parameters of van der Waals Gases in Rocket Nozzles
Propellants or combustion products can reach high pressures and temperatures in advanced or conventional propulsion systems. Variations in flow properties and the effects of real gases along a nozzle can become significant and influence the calculation ...
Fernando S. Costa, Gustavo A. A. Fischer
doaj +2 more sources
Effect of High-Mass Fraction of Aluminum on Catalytic Hybrid Rocket Motor
Catalytic hybrid rocket motors using hydrogen peroxide (HP) are easy and efficient to achieve multiple starts and stops, and hydroxyl-terminated polybutadiene (HTPB) grains are commonly used due to their excellent mechanical properties.
Hui Tian+5 more
doaj +1 more source
Micro-rocket robot with all-optic actuating and tracking in blood [PDF]
Chao Liu, Lidai Wang, Dengfeng Li
exaly +2 more sources